Detection device for bridge settlement detection

Abstract

The utility model discloses a detection device for bridge settlement detection, which belongs to the technical field of bridge detection and comprises a measuring cylinder, a measuring groove is arranged on the measuring cylinder along the length direction, a measuring rod is arranged on the outer side of the measuring cylinder, one end of the measuring rod extends into the measuring groove, and a mounting plate is arranged at the other end of the measuring rod. A tripod composed of three hollow supporting legs is arranged below the measuring cylinder, and the hollow supporting legs are provided with extending modules used for adjusting the lengths of the hollow supporting legs. During specific implementation, firstly, the mounting plate is fixed on a pier, the measuring cylinder is fixed on the ground or a slope through the tripod, and when the ground is uneven or the fall of the slope is large, the length of the hollow supporting legs can be adjusted through the extension modules; the three hollow supporting legs are arranged on the measuring rod, the abutting points of the three hollow supporting legs and the ground can adapt to a slope with large fall or the uneven ground, and when the measuring rod reaches the posture completely parallel to the gravity direction and the bridge pier settles, the settlement degree of the bridge pier can be detected by observing the distance of the measuring rod moving downwards along the measuring groove.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge detection, in particular to a detection device for bridge settlement detection. Background Art

[0002] The bridge foundation is the lowest part of the bridge structure that is in direct contact with the ground. It is an important component of the bridge's lower structure. The part of the stratum that bears the load transmitted from the foundation is called the foundation. Observing the difference in bridge foundation settlement is a follow-up observation and improvement work after the completion of the bridge.

[0003] Since the places where bridge piers are set are usually uneven muddy ground or slopes with large drop, it is difficult for existing bridge settlement detection devices to be fixed completely parallel to the direction of gravity, resulting in errors in the detected bridge pier settlement results.

[0004] Therefore, it is necessary to design a detection device for bridge settlement detection. Utility Model Content

[0005] Purpose of the utility model: A detection device for bridge settlement detection to solve the above-mentioned problems existing in the prior art.

[0006] In order to solve the above technical problems, the utility model provides a detection device for bridge settlement detection, including a measuring cylinder, a measuring groove is opened on the measuring cylinder along its length direction, a measuring rod is arranged on the outside of the measuring cylinder, one end of the measuring rod extends into the measuring groove, and a mounting plate is arranged on the other end of the measuring rod, a fixing plate is arranged at the lower end of the measuring cylinder, a tripod is arranged under the fixing plate, and the tripod is composed of three hollow supporting legs, and the hollow supporting legs are provided with an extension module for adjusting the length of the hollow supporting legs.

[0007] As a preferred embodiment, the extension module includes a rotating gear arranged in the hollow supporting leg and rotatably connected to the hollow supporting leg, a screw is arranged in the hollow supporting leg, one end of the screw passes through the center of the rotating gear and is threadedly connected to the rotating gear, a sliding groove is opened on the hollow supporting leg along its length direction, a sliding member is arranged in the sliding groove, one end of the sliding member is connected to the screw, and an adjustment component for driving the rotating gear to rotate is arranged on the hollow supporting leg.

[0008] As a preferred embodiment, the adjustment assembly includes a worm meshing with the rotating gear, a protective shell is provided on the outside of the worm, the worm is connected to one end of the rotating shaft, a rotating knob is provided on the outside of the protective shell, and the rotating knob is connected to the other end of the rotating shaft.

[0009] As a preferred solution, a weight block is provided below the fixing plate.

[0010] As a preferred solution, a plurality of reinforcing ribs are provided on the weight block, and one end of the reinforcing ribs is connected to the hollow supporting leg.

[0011] As a preferred solution, a balance ruler and a plumb bob are vertically arranged below the weight block, the plumb bob is connected to the weight block via a hanging rope, and a balance reference line is vertically arranged on the balance ruler.

[0012] As a preferred solution, a reinforcing beam is provided on the mounting plate, and one end of the reinforcing beam is connected to the measuring rod.

[0013] As a preferred solution, a needle tip is provided at the bottom end of the screw.

[0014] As a preferred solution, the measuring cylinder is provided with scale lines along the direction of the measuring groove, and a pointer is provided at one end of the measuring rod close to the measuring cylinder.

[0015] Beneficial effects: The utility model relates to a detection device for detecting bridge settlement. When working, the mounting plate is first fixed on the pier, and the measuring cylinder is fixed on the ground or a slope through the tripod. When the ground is uneven or the slope has a large drop, the length of the hollow supporting legs can be adjusted by the extension module, so that the contact points between the three hollow supporting legs and the ground can adapt to the slope with a large drop or the uneven ground. When the measuring cylinder reaches a position completely parallel to the direction of gravity, the installation of the device is completed. When the pier settles, the settlement of the pier can be detected by observing the distance that the measuring rod moves downward along the measuring groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a partial structural schematic diagram of the utility model.

[0018] Figure 3 It is a partial structural cross-sectional schematic diagram of the utility model.

[0019] Figure 4 It is a partial structural schematic diagram of the utility model.

[0020] The reference numerals in the figure are: measuring cylinder 1, fixing plate 2, measuring rod 3, mounting plate 4, hollow supporting leg 5, screw 6, weight block 7, reinforcing rib 8, scale line 9, pointer 10, reinforcing beam 11, needle tip 12, balance ruler 13, plumb bob 14, hanging rope 15, balance reference line 16, rotating gear 17, worm 18, protective shell 19, rotating shaft 20, rotating knob 21, sliding groove 22, sliding member 23, measuring groove 24. DETAILED DESCRIPTION

[0021] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0022] The applicant has found that, because the places where bridge piers are set are usually uneven muddy ground or slopes with large drop, it is difficult to fix the existing bridge settlement detection devices completely parallel to the direction of gravity, resulting in errors in the detected bridge pier settlement results.

[0023] To this end, the utility model provides a detection device for bridge settlement detection, please refer to Figures 1 to 4 The device comprises a measuring cylinder 1, wherein a measuring groove 24 is provided on the measuring cylinder 1 along its length direction, a measuring rod 3 is provided on the outside of the measuring cylinder 1, one end of the measuring rod 3 extends into the measuring groove 24, and a mounting plate 4 is provided on the other end of the measuring rod 3, a fixing plate 2 is provided at the lower end of the measuring cylinder 1, a tripod is provided below the fixing plate 2, and the tripod is composed of three hollow supporting legs 5, and a protruding module for adjusting the length of the hollow supporting legs 5 is provided on the hollow supporting legs 5; in specific implementation, the mounting plate 4 is first fixed on the bridge pier The measuring cylinder 1 is fixed on the ground or a slope by the tripod. When the ground is uneven or the slope has a large drop, the length of the hollow supporting legs 5 can be adjusted by the extension module so that the contact points between the three hollow supporting legs 5 and the ground can adapt to the slope with a large drop or uneven ground. When the measuring cylinder 1 reaches a position completely parallel to the direction of gravity, the installation of the device is completed. When the pier settles, the settlement of the pier can be detected by observing the distance that the measuring rod 3 moves downward along the measuring groove 24.

[0024] Preferably, the extension module includes a rotating gear 17 arranged in the hollow supporting leg 5 and rotatably connected to the hollow supporting leg 5, a screw rod 6 is arranged in the hollow supporting leg 5, one end of the screw rod 6 passes through the center of the rotating gear 17 and is threadedly connected to the rotating gear 17, a sliding groove 22 is opened on the hollow supporting leg 5 along its length direction, a sliding member 23 is arranged in the sliding groove 22, one end of the sliding member 23 is connected to the screw rod 6, and an adjusting component for driving the rotating gear 17 to rotate is arranged on the hollow supporting leg 5; in specific implementation, the rotating gear 17 is driven to rotate by the adjusting component, because the screw rod 6 is threadedly connected to the center of the rotating gear 17, and the screw rod 6 is restricted by the sliding groove 22 and cannot rotate with the rotating gear 17, so the screw rod 6 can only be extended and retracted up and down along its length direction, thereby achieving the purpose of adjusting the length of the hollow supporting leg 5.

[0025] Preferably, the adjustment assembly includes a worm 18 meshing with the rotating gear 17, a protective shell 19 is provided on the outside of the worm 18, the worm 18 is connected to one end of a rotating shaft 20, a rotating knob 21 is provided on the outside of the protective shell 19, and the rotating knob 21 is connected to the other end of the rotating shaft 20; in specific implementation, the worm 18 is rotated by rotating the rotating knob 20, and the rotation of the worm 18 drives the rotating gear 17 to rotate, and the self-locking property of the worm gear transmission is utilized to prevent the screw 6 from being easily extended and retracted due to external force, so that the fixation of the measuring cylinder 1 is more reliable.

[0026] Preferably, in order to make the fixing of the measuring cylinder 1 more reliable, a weight block 7 is provided under the fixing plate 2 .

[0027] Furthermore, a plurality of reinforcing ribs 8 are provided on the weight block 7, and one end of the reinforcing rib 8 is connected to the hollow supporting leg 5. The reinforcing rib 8 can improve the ability of the hollow supporting leg 5 to resist external forces to a certain extent.

[0028] Furthermore, a balance ruler 13 and a plumb bob 14 are vertically arranged below the weight block 7, the plumb bob 14 is connected to the weight block 7 via a hanging rope 15, and a balance reference line 16 is vertically arranged on the balance ruler 13. When the hanging rope 15 coincides with the balance reference line 16 and the hanging rope 15 is parallel to the balance ruler 13, the measuring cylinder 1 can reach a posture that is completely parallel to the direction of gravity.

[0029] Preferably, a reinforcing beam 11 is provided on the mounting plate 4 , and one end of the reinforcing beam 11 is connected to the measuring rod 3 .

[0030] Preferably, in order to facilitate the insertion of the screw rod 6 into the mud, a needle tip 12 is provided at the bottom end of the screw rod 6 .

[0031] Preferably, in order to further facilitate observation of the distance the measuring rod 3 moves downward along the measuring groove 24 , scale lines 9 are provided on the measuring cylinder 1 along the direction of the measuring groove 24 , and a pointer 10 is provided at one end of the measuring rod 3 close to the measuring cylinder 1 .

[0032] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings; however, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, various equivalent transformations can be made to the technical scheme of the present invention, and these equivalent transformations all belong to the protection scope of the present invention.

Claims

1. A detection device for bridge settlement detection, characterized in that: include: Graduated cylinder; A measuring groove is provided on the measuring cylinder along the length direction of the measuring cylinder; A measuring rod, which is arranged outside the measuring cylinder and has one end extending into the measuring groove; A mounting plate, disposed at the other end of the measuring rod; A fixed plate, arranged at the lower end of the measuring cylinder; A tripod, arranged below the fixing plate; The tripod is composed of three hollow supporting legs; An extension module is arranged on the hollow supporting leg and is used for adjusting the length of the hollow supporting leg.

2. A detection device for bridge settlement detection according to claim 1, characterized in that: The elongation module comprises: A rotating gear, disposed in the hollow supporting leg and rotatably connected to the hollow supporting leg; A screw rod, disposed in the hollow supporting leg, with one end passing through the center of the rotating gear and being threadedly connected to the rotating gear; A sliding groove is provided on the hollow supporting leg along the length direction of the hollow supporting leg; A sliding member, disposed in the sliding groove and having one end connected to the screw rod; An adjusting assembly is arranged on the hollow supporting leg and is used for driving the rotating gear to rotate.

3. A detection device for bridge settlement detection according to claim 2, characterized in that: The adjustment component comprises: a worm gear meshing with the rotating gear; A protective shell, arranged outside the worm; A rotating shaft, one end of which is connected to the worm; The rotating knob is arranged outside the protective shell and connected to the other end of the rotating shaft.

4. The detection device for bridge settlement detection according to claim 1, characterized in that: A weight block is arranged below the fixing plate.

5. A detection device for bridge settlement detection according to claim 4, characterized in that: The weight block is provided with a plurality of reinforcing ribs, and one end of the reinforcing ribs is connected to the hollow supporting leg.

6. A detection device for bridge settlement detection according to claim 4, characterized in that: A balance ruler and a plumb bob are vertically arranged below the weight block, the plumb bob is connected to the weight block via a hanging rope, and a balance reference line is vertically arranged on the balance ruler.

7. The detection device for bridge settlement detection according to claim 1, characterized in that: A reinforcing beam is arranged on the mounting plate, and one end of the reinforcing beam is connected to the measuring rod.

8. The detection device for bridge settlement detection according to claim 2, characterized in that: The bottom end of the screw is provided with a needle tip.

9. The detection device for bridge settlement detection according to claim 1, characterized in that: The measuring cylinder is provided with scale lines along the direction of the measuring groove, and a pointer is provided at one end of the measuring rod close to the measuring cylinder.

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