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CN-224216079-U - Roadbed settlement monitoring device

CN224216079UCN 224216079 UCN224216079 UCN 224216079UCN-224216079-U

Abstract

The utility model relates to the technical field of monitoring devices, and discloses a roadbed settlement monitoring device which comprises two measuring rods, wherein the two measuring rods are distributed up and down, the interiors of the two measuring rods are hollow structures, a plurality of sliding blocks are fixedly arranged on the surfaces of the two measuring rods, and a plurality of through grooves are formed on the surfaces of the two measuring rods. According to the monitoring device, through the guide fit of the sliding block and the L-shaped groove and the automatic locking structure of the clamping block and the first spring, the quick splicing and the disassembly between the upper measuring rod and the lower measuring rod are realized, the convenience of disassembly of the device is improved, the locking can be realized only by aligning the sliding block and the L-shaped groove and pressing down and rotating during the splicing, the whole measuring rod is not required to be rotated, the field operation intensity is reduced, the increasing and decreasing requirements of measuring rod sections with different embedded depths can be flexibly adapted, the locking of the clamping block to the sliding block can be relieved only by pulling down the moving ring during the disassembly, the problem of screw rust clamping stagnation is not required to be solved, the recycling rate of the device is improved, and the field construction efficiency of roadbed settlement monitoring is remarkably improved.

Inventors

  • WANG PENG

Assignees

  • 陕西省交通规划设计研究院有限公司

Dates

Publication Date
20260508
Application Date
20260319

Claims (6)

  1. 1. The roadbed settlement monitoring device is characterized by comprising two measuring rods (1), wherein the two measuring rods (1) are vertically distributed, the interiors of the two measuring rods (1) are of hollow structures, a plurality of sliding blocks (2) are fixedly arranged on the side walls of the lower ends of the two measuring rods (1), sleeves (3) are fixedly arranged at the top ends of the two measuring rods (1), the bottom ends of the measuring rods (1) positioned above are inserted into the interiors of the sleeves (3) positioned at the top ends of the measuring rods (1) below, L-shaped grooves (4) and clamping grooves (5) are formed in the inner walls of the sleeves (3), the sliding blocks (2) positioned on the surface of the measuring rod (1) above are slidably connected in the L-shaped grooves (4) positioned in the sleeves (3) at the top ends of the measuring rods (1) below, movable plates (6) are slidably connected in the interiors of the sleeves (3) at the upper ends of the measuring rods (1) above, and the top ends of the movable plates (6) positioned in the sleeves (3) abut against the bottom ends of the measuring rods (1) positioned above; The utility model discloses a measuring rod, including fixed plate (6), sleeve (3) and movable plate (6), the top of fly leaf (6) is all fixed mounting has a plurality of fixture blocks (7), the top butt of fixture block (7) is inside in L-shaped groove (4), and is located fixture block (7) in below measuring rod (1) upper end sleeve (3) and the slider (2) butt that are located top measuring rod (1) surface, the equal fixed mounting in bottom of fly leaf (6) has first spring (8), the bottom of first spring (8) and the inner wall fixed connection of sleeve (3), just the inside of fly leaf (6) is all sliding connection has a plurality of montants (9), the bottom of montant (9) all runs through sleeve (3) and extends to in the cavity of measuring rod (1), and a plurality of montant (9) all with the inside sliding connection of sleeve (3), a plurality of the bottom fixed mounting of montant (9) has moving ring (11), the surface sliding connection of moving ring (11) and measuring rod (1).
  2. 2. The roadbed settlement monitoring device according to claim 1, wherein the top end butt that is located top sleeve (3) has survey end cap (12), survey end cap (12) is last to offer and be bilateral symmetry's rectangle slide opening, the inside sliding connection of rectangle slide opening has movable block (14), the quantity of movable block (14) is two, and two the bottom of movable block (14) all extends to the below of survey end cap (12) through the rectangle slide opening, two the one end that movable block (14) kept away from each other all butt in the inside of draw-in groove (5), two the one end that movable block (14) are close to each other is fixed mounting has second spring (15), two second spring (15) are located the below of survey end cap (12), and two the one end that movable block (14) were kept away from to second spring (15) all is connected with the bottom fixed of survey end cap (12).
  3. 3. The roadbed settlement monitoring device according to claim 1, wherein the connecting sleeve (16) is movably inserted at the bottom end of the lower measuring rod (1), the bottom end of the connecting sleeve (16) is fixedly provided with the bottom plate (22), the vertical groove (17) is formed in the connecting sleeve (16), the sliding block (2) positioned on the surface of the lower measuring rod (1) is slidably connected to the inner part of the vertical groove (17), the arc-shaped groove (18) is formed in the surface of the connecting sleeve (16), the inner part of the connecting sleeve (16) is communicated with the outer part of the connecting sleeve (16) through the arc-shaped groove (18), the baffle ring (19) is movably sleeved in the connecting sleeve (16), the bottom end of the baffle ring (19) is abutted to the top end of the sliding block (2), the baffle ring (19) is provided with a notch corresponding to the sliding block (2), the arc-shaped plate (21) is fixedly arranged on the side wall of the baffle ring (19), and the arc-shaped plate (21) is slidably connected with the outer surface of the connecting sleeve (16).
  4. 4. The roadbed settlement monitoring device according to claim 3, wherein the top end of the bottom plate (22) is fixedly provided with a reinforcing rib (23), the reinforcing rib (23) is fixedly connected with the outer surface of the connecting sleeve (16), and the reinforcing rib (23) is made of galvanized carbon steel.
  5. 5. The roadbed settlement monitoring device according to claim 3, wherein a plurality of fixing sleeves (24) are fixedly arranged at the top end of the bottom plate (22), inserting rods (25) are respectively arranged in the fixing sleeves (24) in a penetrating mode, the bottom ends of the inserting rods (25) penetrate through the bottom plate (22) and extend to the lower portion of the bottom plate (22), screw rods (26) are sleeved on the side wall threads of the fixing sleeves (24), and one ends, close to the inserting rods (25), of the screw rods (26) are abutted to the surface of the inserting rods (25).
  6. 6. A roadbed settlement monitoring device according to claim 3, wherein the outer surfaces of the two measuring rods (1) are fixedly sleeved with dust-proof rings (28), the bottom ends of the dust-proof rings (28) on the surfaces of the measuring rods (1) above are abutted to the top ends of the sleeves (3) on the measuring rods (1) below, and the bottom ends of the dust-proof rings (28) on the surfaces of the measuring rods (1) below are abutted to the top ends of the connecting sleeves (16).

Description

Roadbed settlement monitoring device Technical Field The utility model relates to the technical field of monitoring devices, in particular to a roadbed settlement monitoring device. Background The roadbed settlement is a core index for judging roadbed engineering stability of roads, railways and the like and guaranteeing construction and operation safety, the measuring rod type roadbed settlement monitoring device is visual in data and low in layout cost, is the most widely applied equipment in the current roadbed settlement monitoring field, has obvious differences in burying depth of roadbed monitoring points along with geological conditions, filling heights and design requirements in actual engineering, and needs to flexibly increase and decrease measuring rod sections according to on-site working conditions so as to adapt to burying requirements, and the connecting structure among the measuring rod sections directly determines on-site layout efficiency and use convenience of the device. At present, a measuring rod section of the existing device is commonly connected by threads, the mode has obvious defects in field application, and the core problem is that the disassembly and assembly operation is complex and the convenience is extremely poor. In the aspect of splicing operation, the threaded connection needs to continuously rotate the whole rod to complete multi-turn screwing after coaxially aligning the measuring rod, and the on-site measuring rod has large weight and long time consumption in rotating operation, so that the construction strength is increased, and quick splicing cannot be realized. In the aspect of disassembly operation, the measuring rod is buried underground for a long time, the screw thread part is easy to be corroded by water vapor and sediment to generate corrosion and clamping stagnation, screw thread sliding and biting are easy to occur during later disassembly, the quick disassembly cannot be realized, the structural damage of the measuring rod is easy to be caused, the repeated utilization rate of the device is reduced, and the engineering cost is increased. Meanwhile, the threaded connection has high requirements on machining precision, the dimension deviation easily causes insufficient coaxiality and unsmooth occlusion of the measuring rod, the monitoring precision is affected, and the difficulty of the dismounting operation is further improved. Disclosure of utility model In order to overcome the defects of the prior art, the utility model provides a roadbed settlement monitoring device, which solves the problems of complicated connection and disassembly and low site construction efficiency of the existing measuring rod. The roadbed settlement monitoring device comprises two measuring rods, wherein the two measuring rods are vertically distributed, the interiors of the two measuring rods are hollow structures, a plurality of sliding blocks are fixedly arranged on the side walls of the lower ends of the two measuring rods, sleeves are fixedly arranged on the top ends of the two measuring rods, the bottom ends of the measuring rods positioned above are inserted into the interiors of the sleeves positioned at the top ends of the measuring rods below, L-shaped grooves and clamping grooves are formed in the inner walls of the sleeves, the sliding blocks positioned on the surface of the measuring rods above are slidably connected into the L-shaped grooves positioned in the sleeves positioned at the top ends of the measuring rods below, movable plates are slidably connected in the interiors of the sleeves, and the top ends of the movable plates positioned in the sleeves positioned at the upper ends of the measuring rods below are abutted to the bottom ends positioned above the measuring rods; the utility model discloses a measuring rod, including fixed plate, movable plate, telescopic link, fixed plate, movable plate's top all fixed mounting has a plurality of fixture blocks, the top butt of fixture block is inside the L-shaped groove, and is located the fixture block in below measuring rod upper end sleeve and the slider butt that is located the upper measuring rod surface, the equal fixed mounting in bottom of movable plate has a first spring, the bottom and telescopic inner wall fixed connection of first spring, just the equal sliding connection in inside of movable plate has a plurality of montants, the bottom of montant all runs through the sleeve and extends to in the cavity of measuring rod, and a plurality of montant all with telescopic inside sliding connection, a plurality of the bottom fixed mounting of montant has the motion ring, the surface sliding connection of motion ring and measuring rod. As a preferable technical scheme of the utility model, the top end of the upper sleeve is abutted with the observation plug, rectangular sliding holes which are distributed in a bilateral symmetry manner are formed in the observation plug, movable blocks are connected in the rec