Perpendicularity detection equipment for bridge pier

By designing detection equipment at the bottom of the bridge pier, using a geared motor to drive the detection head to rise and fall, and combining it with a laser detector to determine the verticality of the bridge pier, the problem of inconvenient operation in the existing technology has been solved, and safe and efficient detection of bridge pier verticality has been achieved.

CN223581014UActive Publication Date: 2025-11-21SHANDONG JINCHAO RONGHUI TESTING TECHNOLOGY CO LTD +1
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Patent Information

Application Number
CN202520003937.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-02
Publication Date
2025-11-21
Estimated Expiration
2035-01-02

AI Technical Summary

Technical Problem

Existing bridge pier verticality testing equipment requires operation at the top of the pier, necessitating operators to climb to a high position for testing, which is inconvenient.

Method used

A verticality testing device was designed, comprising a testing base, a primary cylinder, a secondary cylinder, a tertiary rod, a transmission box, a sliding sleeve, a testing ruler, and an adjustment mechanism. The device utilizes a geared motor to drive the testing head to rise and fall, and judges the verticality by the change in the distance between the testing head and the bridge pier. The device is combined with a bridge pier verticality laser detector for testing.

Benefits of technology

This technology enables verticality testing at the bottom of bridge piers, reducing the risks of high-altitude operations for workers and improving the convenience and safety of the testing process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of bridge piers, particularly relates to perpendicularity detection equipment for a bridge pier, and aims to solve the problems that the existing perpendicularity detection equipment can only be used at the top of a pier and is inconvenient for operators to use. The first-stage cylinder is in bolted connection with the middle end of the top of the detection base; the second-stage cylinder is connected to the interior of the first-stage cylinder in a sliding manner; the third-stage rod is connected to the interior of the second-stage cylinder in a sliding manner; the transmission box is in bolted connection with the top end of the third-stage rod; the sliding sleeve is in bolted connection with the top of the transmission case; the detection ruler is slidably connected to the interior of the sliding sleeve, the detection base is placed at the bottom of the bridge pier, the detection head is aligned with the bridge pier, and after the detection ruler is adjusted to a proper height, the detection head is used for monitoring the distance between the detection head and the bridge pier; and judging the vertical condition of the bridge pier according to the detected distance change.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bridge pier technical field especially relates to a perpendicularity detection equipment of bridge pier. BACKGROUND

[0002] Bridge pier column as important bearing components needs to use perpendicularity detection equipment to detect in the process of construction, the Chinese patent file with the publication number CN209197759U discloses a simple device for detecting the perpendicularity of bridge pier column.

[0003] But the above-mentioned technical scheme needs to be placed on the top of bridge pier, so that the perpendicularity of bridge pier can be detected, which leads to the use of the whole device to be matched with the elevator, so that the operator can climb to the top of the bridge pier to detect, which is very inconvenient. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcoming that only the top of the pier can be used in the prior art and the operator is inconvenient to use, and provides a perpendicularity detection equipment of bridge pier.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A perpendicularity detection equipment of bridge pier, comprising

[0007] A detection base;

[0008] A first cylinder is bolted to the middle end of the top of the detection base;

[0009] A second cylinder is slidingly connected to the inside of the first cylinder;

[0010] A third rod is slidingly connected to the inside of the second cylinder;

[0011] A transmission box is bolted to the top end of the third rod;

[0012] A sliding sleeve is bolted to the top of the transmission box;

[0013] A detection ruler is slidingly connected to the inside of the sliding sleeve;

[0014] A detection assembly comprises a reduction motor, a winding wheel, a transmission rope and a detection head, the output end of the reduction motor is keyed to the shaft center of the winding wheel, the inside of the winding wheel is wound with the right end of the transmission rope, and the end away from the winding wheel of the transmission rope is bolted to the top of the detection head;

[0015] The adjusting mechanism is connected with the detection ruler, and is used for driving the detection head to move; the detection base is placed at the bottom of the bridge pier; the detection head is aligned with the bridge pier; after the detection ruler is adjusted to the appropriate height, the detection head is used to monitor the distance between the detection head and the bridge pier; during the lifting process of the detection head driven by the speed reducer, the verticality of the bridge pier is judged according to the detected distance change.

[0016] As a preferred scheme of the utility model, the adjusting mechanism includes a lead screw, a sliding bar, a transmission rod and a transmission gear, the surface of the lead screw is threadedly connected with the screw hole of the sliding bar, the surface of the sliding bar is hingedly connected with the left end of the transmission rod, the right end of the transmission rod is hingedly connected with the bottom of the surface of the transmission gear, the teeth on the top of the transmission gear are engaged with the teeth on the bottom of the detection ruler, the left end of the lead screw is key-connected with a handle, the handle can drive the lead screw to rotate, the lead screw can drive the sliding bar to move, the sliding bar can drive the transmission rod to move, the transmission rod and the transmission gear are in an eccentric structure, the transmission rod can drive the transmission gear to rotate, and the transmission gear can drive the detection ruler to move.

[0017] As a preferred scheme of the utility model, the left end of the surface of the lead screw is rotatably connected with the hole of the left side of the transmission box, the rear side of the sliding bar is slidably connected with the inside of the transmission box, the shaft center of the transmission gear is rotatably connected with the inside of the transmission box, and the lead screw is rotatably arranged in the transmission box through a bearing, so that the stability of the rotation of the lead screw is ensured, the sliding bar is slidably arranged in the transmission box through a sliding rail, and the sliding bar is guided, and the transmission gear is rotatably arranged in the transmission box through a bearing.

[0018] As a preferred scheme of the utility model, the detection head includes a protective sleeve and a bridge pier perpendicularity laser detector, one end of the transmission rope away from the winding wheel is bolted to the top of the protective sleeve, and the inside of the protective sleeve is bolted to the surface of the bridge pier perpendicularity laser detector, so that the bridge pier perpendicularity laser detector is protected by the protective sleeve, the connection position of the transmission rope and the protective sleeve is located at the gravity center position of the detection head, and the inclination of the bridge pier perpendicularity laser detector is reduced.

[0019] As a preferred scheme of the utility model, the opening on the left side of the detection ruler is rotatably connected with a guide wheel, the inside of the guide wheel is slidably connected with the surface of the transmission rope, and the guide wheel guides the transmission rope, so that the transmission rope drives the detection head to lift conveniently.

[0020] As a preferred scheme of the utility model, the screw holes on the top ends of the surfaces of the primary cylinder and the secondary cylinder are all threadedly connected with elastic bolts, the speed reducer is bolted to the detection ruler, and the winding wheel is rotatably connected with the detection ruler, so that the elastic bolts of the primary cylinder and the secondary cylinder can fix the heights of the secondary cylinder and the tertiary rod, the speed reducer is fixed by the detection ruler, and the winding wheel is rotatably arranged in the detection ruler through a bearing.

[0021] Advantages:

[0022] 1, the speed reducer motor can drive the winding wheel to rotate, the winding wheel can drive the transmission rope to lift, the transmission rope can drive the detection head to move up and down, so the up and down movement of the detection head can be used to detect the bridge pier;

[0023] 2, the three-stage rod can slide up and down in the interior of the second-stage cylinder, the second-stage cylinder can slide up and down in the interior of the first-stage cylinder, so that the height position of the detection ruler can be adjusted;

[0024] In the utility model, the detection base is placed at the bottom of the bridge pier, the detection head is aligned with the bridge pier, the detection ruler is adjusted to the appropriate height, the distance between the detection head and the bridge pier is monitored by the detection head, and the verticality of the bridge pier is judged according to the detected distance change during the lifting of the detection head driven by the speed reducer motor. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the overall perspective view of the utility model;

[0026] Figure 2 It is the detection ruler perspective view of the utility model;

[0027] Figure 3 It is the adjusting mechanism perspective view of the utility model;

[0028] Figure 4 It is the first-stage cylinder perspective view of the utility model.

[0029] In the drawing, 1 is a detection base, 2 is a first-stage cylinder, 3 is a second-stage cylinder, 4 is a three-stage rod, 5 is a transmission box, 6 is a sliding sleeve, 7 is a detection ruler, 8 is a speed reducer motor, 9 is a winding wheel, 10 is a transmission rope, 11 is a protective sleeve, 12 is a bridge pier verticality laser detector, 13 is a guide wheel, 14 is a lead screw, 15 is a sliding bar, 16 is a transmission rod, and 17 is a transmission gear. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0031] Embodiment one

[0032] Referring to Figures 1-4 A bridge pier verticality detection device, comprising

[0033] A detection base 1;

[0034] A first-stage cylinder 2 is bolted to the middle end of the top of the detection base 1;

[0035] The second barrel 3 is slidingly connected to the inside of the first barrel 2;

[0036] The third lever 4 is slidingly connected to the inside of the second barrel 3;

[0037] The transmission box 5 is bolted to the top end of the third lever 4;

[0038] The sliding sleeve 6 is bolted to the top of the transmission box 5;

[0039] The detection ruler 7 is slidingly connected to the inside of the sliding sleeve 6;

[0040] The detection assembly comprises a reduction motor 8, a winding wheel 9, a transmission rope 10 and a detection head, the output end of the reduction motor 8 is keyed connected with the axis of the winding wheel 9, the inside of the winding wheel 9 is wound with the right end of the transmission rope 10, and the end of the transmission rope 10 away from the winding wheel 9 is bolted with the top of the detection head;

[0041] The adjusting mechanism is connected with the detection ruler 7, and is used for driving the detection head to move.

[0042] By the above structure: the detection base 1 is placed at the bottom of the bridge pier, the detection head is aligned with the bridge pier, the detection ruler 7 is adjusted to the appropriate height, the detection head is used to monitor the distance between the detection head and the bridge pier, and the verticality of the bridge pier is judged according to the change of the detected distance during the lifting of the detection head driven by the reduction motor 8.

[0043] Please refer to Figure 2 The adjusting mechanism comprises a lead screw 14, a sliding bar 15, a transmission lever 16 and a transmission gear 17, the surface of the lead screw 14 is threadedly connected with the screw hole of the sliding bar 15, the surface of the sliding bar 15 is hinged with the left end of the transmission lever 16, the right end of the transmission lever 16 is hinged with the bottom of the surface of the transmission gear 17, the teeth on the top of the transmission gear 17 are engaged with the teeth on the bottom of the detection ruler 7, the left end of the lead screw 14 is keyed connected with a handle, the handle can drive the lead screw 14 to rotate, the lead screw 14 can drive the sliding bar 15 to move, the sliding bar 15 can drive the transmission lever 16 to move, the transmission lever 16 and the transmission gear 17 are in an eccentric structure, the transmission lever 16 can drive the transmission gear 17 to rotate, and the transmission gear 17 can drive the detection ruler 7 to move.

[0044] Please refer to Figure 2 The left end of the surface of the lead screw 14 is rotatably sleeved with the hole on the left side of the transmission box 5, the rear side of the sliding bar 15 is slidingly connected with the inside of the transmission box 5, the axis of the transmission gear 17 is rotatably connected with the inside of the transmission box 5, the lead screw 14 is rotatably arranged in the transmission box 5 through a bearing, the stability of the rotation of the lead screw 14 is ensured, the sliding bar 15 is slidingly arranged in the transmission box 5 through a sliding rail, and the sliding bar 15 is guided, and the transmission gear 17 is rotatably arranged in the transmission box 5 through a bearing.

[0045] Please refer to Figure 2 , the detection head includes a protective sleeve 11 and a bridge pier verticality laser detector 12, one end of the transmission rope 10 away from the winding wheel 9 is bolted to the top of the protective sleeve 11, the inside of the protective sleeve 11 is bolted to the surface of the bridge pier verticality laser detector 12, the protective sleeve 11 protects the bridge pier verticality laser detector 12, the connection position of the transmission rope 10 and the protective sleeve 11 is located at the center of gravity position of the detection head, reducing the inclination of the bridge pier verticality laser detector 12.

[0046] Please refer to Figure 2 , the opening on the left side of the detection ruler 7 is rotatably connected with a guide wheel 13, the inside of the guide wheel 13 is slidably connected with the surface of the transmission rope 10, the guide wheel 13 guides the transmission rope 10, which is convenient for the transmission rope 10 to drive the detection head to rise and fall.

[0047] Please refer to Figure 2 , the screw holes at the top of the surfaces of the primary cylinder 2 and the secondary cylinder 3 are all threadedly connected with elastic bolts, the speed reducer 8 is bolted to the detection ruler 7, the winding wheel 9 is rotatably connected with the detection ruler 7, the elastic bolts of the primary cylinder 2 and the secondary cylinder 3 can fix the heights of the secondary cylinder 3 and the tertiary rod 4, the speed reducer 8 is fixed by the detection ruler 7, and the winding wheel 9 is rotatably arranged on the detection ruler 7 through a bearing.

[0048] Example two

[0049] The difference between this embodiment and example one is that the lead screw 14, the sliding bar 15 and the transmission rod 16 are replaced by a power motor, a worm keyed to the output end of the power motor and a worm gear meshing with the surface of the worm, the power motor can drive the worm gear to rotate through the worm, and the worm gear can drive the transmission gear 17 to rotate, but the power motor also needs to be driven by a power source, and the weight of the device is increased, therefore, the lead screw 14, the sliding bar 15 and the transmission rod 16 are preferred.

[0050] It should be noted that the specific model of the speed reducer 8 is selected by the person skilled in the relevant art, and the above description of the speed reducer 8 belongs to the prior art, which will not be described here.

[0051] The bridge pier verticality laser detector 12 adopts the prior art, and can adopt the structure of the patent with the application number 201780089277.8.

[0052] The utility model discloses an operation step: the detection base 1 is removed to the bridge pier bottom, the head of bridge pier verticality laser detector 12 is aligned to the bridge pier, and the three -stage rod 4 is lifted, then fixes the three -stage rod 4, and the two -stage cylinder 3 is lifted and then fixed, the left end key of screw rod 14 is connected with handle, can drive screw rod 14 to rotate through handle, can drive slide strip 15 to move through screw rod 14, can drive transmission rod 16 to move through slide strip 15, transmission rod 16 and transmission gear 17 between eccentric structure, can drive transmission gear 17 to rotate through transmission rod 16, can drive detection ruler 7 to move through transmission gear 17, detection ruler 7 can slide in the inside of sliding sleeve 6, and the power of bridge pier verticality laser detector 12 is connected, and bridge pier verticality laser detector 12 measures the interval between it and bridge pier, and the power of speed reducer 8 is connected, and speed reducer 8 adopts motor controller to control, can drive winding wheel 9 to rotate through speed reducer 8, can drive transmission rope 10 to rotate through winding wheel 9, can drive protection sleeve 11 to go up and down through transmission rope 10, can drive bridge pier verticality laser detector 12 to go up and down through protection sleeve 11, in this process, reduce the swing of bridge pier verticality laser detector 12, the interval measured in the process of bridge pier verticality laser detector 12 going up and down is drawn into the curve graph, and whether the pier is vertical is judged according to the change of curve graph.

[0053] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model does not limit to this, and any skilled person in the art in the technical range disclosed by the utility model can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model, and all should be covered in the protection scope of the utility model.

Claims

1. A device for detecting the verticality of bridge piers, characterized in that, The utility model relates to a bridge pier verticality laser detector, including Detection base (1); Primary cylinder (2), primary cylinder (2) bolt connection in the top of detection base (1) middle end; Secondary cylinder (3), secondary cylinder (3) sliding connection in the inside of primary cylinder (2); Third class pole (4), third class pole (4) sliding connection in the inside of secondary cylinder (3); Transmission case (5), transmission case (5) bolt connection in the top of third class pole (4); Slip bushing (6), slip bushing (6) bolt connection in the top of transmission case (5); Detection ruler (7), detection ruler (7) sliding connection in the inside of slip bushing (6); Detection assembly, detection assembly includes reduction motor (8), winding wheel (9), transmission rope (10) and detection head, the output of reduction motor (8) with the axle center of winding wheel (9) key connection, winding wheel (9) inside with transmission rope (10) right end winding, transmission rope (10) away from winding wheel (9) one end with the top bolt connection of detection head; Adjusting mechanism, adjusting mechanism is connected with detection ruler (7), the adjusting mechanism is used to drive detection head to move.

2. The verticality detection device for a bridge pier according to claim 1, wherein The adjusting mechanism includes lead screw (14), slide bar (15), transmission rod (16) and transmission gear (17), the surface of lead screw (14) is threadedly connected with the screw hole of slide bar (15), the surface of slide bar (15) is hinged with the left end of transmission rod (16), the right end of transmission rod (16) is hinged with the bottom of the surface of transmission gear (17), the teeth of the top of transmission gear (17) are engaged with the teeth of the bottom of detection ruler (7).

3. The verticality detection device for a bridge pier according to claim 2, wherein The left end of the surface of lead screw (14) is rotatably connected with the hole of the left side of transmission case (5), the rear side of slide bar (15) is slidingly connected with the inside of transmission case (5), the axle center of transmission gear (17) is rotatably connected with the inside of transmission case (5).

4. The verticality detection device for a bridge pier according to claim 1, wherein The detection head includes protective sleeve (11) and bridge pier verticality laser detector (12), one end of transmission rope (10) away from winding wheel (9) is bolted to the top of protective sleeve (11), the inside of protective sleeve (11) is bolted to the surface of bridge pier verticality laser detector (12).

5. The verticality detection device for a bridge pier according to claim 1, wherein The opening of the left side of detection ruler (7) is rotatably connected with guide wheel (13), the inside of guide wheel (13) is slidingly connected with the surface of transmission rope (10).

6. The verticality detection device for a bridge pier according to claim 1, wherein The screw hole of the surface top end of primary cylinder (2) and secondary cylinder (3) is all threadedly connected with elastic bolt, reduction motor (8) is bolted with detection ruler (7), winding wheel (9) is rotatably connected with detection ruler (7).

Citation Information

Patent Citations

  • Laser rangefinder

    CN110462435B

  • Simple device for detecting perpendicularity of bridge pier stud

    CN209197759U