Perpendicularity detection device for project acceptance

By designing the traction and positioning components of the verticality testing device for engineering acceptance, the problem of wind affecting the swaying of the plumb bob was solved, and high-precision building verticality testing was achieved.

CN223691782UActive Publication Date: 2025-12-19ANHUI JUNTAI CONSTR ENG CO LTD
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Patent Information

Application Number
CN202520149586.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-12-19
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

In outdoor building verticality testing, wind forces cause the plumb bob to sway, affecting the accuracy of the test.

Method used

Design an engineering acceptance verticality testing device, which employs two traction components and a positioning component. The traction components maintain the verticality of the plumb bob through a winding roller and a one-way braking unit, while the positioning component ensures verticality and avoids misalignment through a laser head and a docking rod.

Benefits of technology

It improves detection accuracy, avoids the influence of wind, ensures the plumb bob is vertical, and enhances the accuracy and portability of the detection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is applicable to the technical field of engineering acceptance equipment, and provides an engineering acceptance verticality detection device, which comprises a plumb bob and two traction assemblies, each traction assembly comprises a support plate, a pair of fixing plates, a winding roller and a one-way brake unit, the support plate is symmetrically and fixedly provided with a pair of fixing plates, and the fixing plates are symmetrically and fixedly arranged on the one-way brake unit. The winding rollers are rotationally installed between the two fixing plates, plumb lines are wound on the winding rollers, the two plumb lines are fixedly installed at the two ends of the plumb bob respectively, the one-way brake units are installed on the two winding rollers, the rewinding unit is installed at the end of one winding roller, and the hand wheel is installed at the end of the other winding roller. The winding rollers in the two traction assemblies wind the plumb line, so that the plumb is kept vertically downward, the phenomenon that the plumb shakes due to the wind action is avoided, and the detection precision is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to engineering acceptance equipment technical field, concretely is a kind of engineering acceptance perpendicularity detection device. BACKGROUND

[0002] Engineering acceptance refers to the process of evaluating the quality and results of engineering construction after engineering according to relevant industry standards, which consists of three parts: self-inspection and acceptance by construction team, self-acceptance by project department, and acceptance by company.

[0003] Currently, when detecting the perpendicularity of a building, the method of lead hammer measurement is usually used, which specifically involves installing a plumb line at the top center of the lead hammer, then fixing the top end of the plumb line to a position aligned with the top end of the facility to be measured, and pulling the plumb line tight. In this process, the lead hammer needs to be kept stationary. However, in actual detection processes, wind force is unavoidable outdoors. Under the action of wind force, the lead hammer is prone to shaking, which affects the detection accuracy. Therefore, a corresponding technical solution needs to be designed to solve the existing technical problems. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a kind of engineering acceptance perpendicularity detection device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0006] A kind of engineering acceptance perpendicularity detection device, the device includes lead hammer, and further includes two pulling assemblies, the pulling assembly includes support plate, fixed plate, winding roller and one-way brake unit, a pair of fixed plates are symmetrically fixed on the upper side of support plate, winding roller is rotatably installed between the two fixed plates, and plumb line is wound on winding roller, two plumb lines are respectively fixedly installed at the two ends of lead hammer, one-way brake unit is installed on the two winding rollers, and the end of one winding roller is provided with a rewinding unit, and the end of the other winding roller is provided with a hand wheel, one-way brake unit includes first hollow disc fixedly installed on fixed plate, ratchet wheel rotatably installed in first hollow disc and pawl matched with ratchet wheel, ratchet wheel is coaxially fixedly connected with winding roller, and a lever connected with pawl is further installed outside first hollow disc.

[0007] As a further scheme of the utility model: the end of one pulling assembly winding roller is provided with a hand wheel, and the end of the other winding roller is further provided with a rewinding unit, the rewinding unit includes second hollow disc fixedly installed on fixed plate and reset coil spring installed in second hollow disc, and the two ends of reset coil spring are respectively connected with second hollow disc and winding roller.

[0008] As a further scheme of the utility model: the device further includes a positioning assembly, the positioning assembly includes a plurality of laser heads mounted on one of the support plates and a plurality of butt rods mounted on the other support plate, the laser heads are vertically downward, a plurality of butt rods are correspondingly arranged with the laser heads, and butt rod ends are provided with butt holes.

[0009] As a further scheme of the utility model: one of the support plates is fixedly provided with a plurality of insertion rods, the other support plate is fixedly provided with insertion barrels corresponding to the positions of the insertion rods, a screw rod is movably arranged in the insertion rod, the end of the screw rod arranged outside the support plate is provided with a knob, and the insertion barrel is provided with a threaded hole matched with the screw rod.

[0010] As a further scheme of the utility model: one of the support plates is further provided with a pull handle.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The utility model discloses a lead hammer device, which comprises a lead hammer, two pulling assemblies and a positioning assembly.

[0013] 2. The utility model discloses a positioning assembly, which can be used to observe whether the laser emitted by the laser head is in the butt hole of the butt rod after the two pulling assemblies are separated, so as to directly judge whether the two pulling assemblies are in the same vertical direction, and the misalignment of the two pulling assemblies is avoided, and the detection accuracy of the device is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of a kind of engineering acceptance perpendicularity detection device;

[0015] Figure 2 It is another view whole structure schematic view of a kind of engineering acceptance perpendicularity detection device;

[0016] Figure 3 It is the inside structure schematic view of a kind of first hollow disc in engineering acceptance perpendicularity detection device;

[0017] Figure 4 It is the front view of a kind of engineering acceptance perpendicularity detection device;

[0018] In the drawing: 1, lead hammer;2, support plate;3, fixed plate;4, winding roller;5, plumb line;6, first hollow disc;7, ratchet wheel;8, pawl;9, push plate;10, second hollow disc;11, reset coil spring;12, laser head;13, butt rod;14, insertion rod;15, insertion barrel;16, screw rod;17, knob;18, pull handle;19, hand wheel. DETAILED DESCRIPTION

[0019] The technical scheme of the patent will be further described in detail in combination with the specific embodiments.

[0020] Embodiment 1

[0021] Please refer to Figures 1-4 The utility model provides a kind of engineering acceptance verticality detection device, the device includes plumb bob 1, and it further includes two pulling assemblies, the pulling assembly includes support plate 2, fixed plate 3, winding roller 4 and one-way brake unit, a pair of fixed plate 3 is symmetrically fixed on the upper side of support plate 2, winding roller 4 is rotatably installed between two fixed plate 3, and plumb line 5 is wound on winding roller 4, two plumb line 5 are respectively fixedly installed at the two ends of plumb bob 1, one-way brake unit is installed on two winding roller 4, and the end of one of winding roller 4 is installed with rewinding unit, and the end of another winding roller 4 is installed with hand wheel 19, one-way brake unit includes first hollow disc 6 fixedly installed on fixed plate 3, ratchet wheel 7 rotatably installed in first hollow disc 6 and pawl 8 matched with ratchet wheel 7, ratchet wheel 7 is coaxially fixedly connected with winding roller 4, and the outer side of first hollow disc 6 is further provided with the push plate 9 connected with pawl 8, by setting two pulling assemblies, when plumb bob 1 is used, winding roller 4 in two pulling assemblies is wound to plumb line 5, so that plumb bob 1 keeps vertical downward, avoid the phenomenon that plumb bob 1 shakes due to wind force, improve detection accuracy.

[0022] Wherein, the rewinding unit includes second hollow disc 10 fixedly installed on fixed plate 3 and reset coil spring 11 installed in second hollow disc 10, the two ends of reset coil spring 11 are connected with second hollow disc 10 and winding roller 4 respectively, specifically, when the device is used, first, one of support plate 2 is placed on the ground, and the push plate 9 on the end face of first hollow disc 6 of the support plate 2 is screwed, after pawl 8 is driven by push plate 9 and separated from ratchet wheel 7, winding roller 4 on the support plate 2 can rotate normally, then the other support plate 2 is lifted up to the specified height, and is attached to wall, finally, the push plate 9 on the end face of first hollow disc 6 of the upper support plate 2 is screwed, so that the upper winding roller 4 can also rotate normally, finally, by rotating hand wheel 19, plumb bob 1 can slowly move downward, in the process, lower winding roller 4 can wind plumb line 5 and apply downward tension to plumb bob 1 under the action of reset coil spring 11, to ensure that plumb bob 1 can move vertically downward, avoid the influence of wind force.

[0023] In addition, a plurality of insertion rods 14 are fixedly installed on one of the support plates 2, and insertion sleeves 15 corresponding to the positions of the insertion rods 14 are fixedly arranged on the other support plate 2, a screw rod 16 is movably inserted into the insertion rod 14, the end of the screw rod 16 extending out of the support plate 2 is provided with a knob 17, a threaded hole adapted to the screw rod 16 is formed in the insertion sleeve 15, and the insertion rod 14, the insertion sleeve 15, the screw rod 16 and the knob 17 are arranged so that when the device is not used, the insertion rod 14 can be inserted into the insertion sleeve 15, and the knob 17 is screwed to fix the insertion rod 14 in the insertion sleeve 15, thereby realizing the combination of the two pulling assemblies and improving the portability of the device.

[0024] Further, a pull handle 18 is further installed on one of the support plates 2, and the pull handle 18 is arranged to further facilitate the carrying of the device.

[0025] Embodiment 2

[0026] This embodiment is improved on the basis of embodiment 1, and specifically:

[0027] Please refer to Figures 1-3 , the device further comprises a positioning assembly, the positioning assembly comprises a plurality of laser heads 12 installed on one of the support plates 2 and a plurality of butt rods 13 installed on the other support plate 2, the laser heads 12 are vertically arranged downward, the plurality of butt rods 13 are arranged one by one corresponding to the laser heads 12, and the end of the butt rod 13 is provided with a butt hole, and the positioning assembly is arranged so that after the two pulling assemblies are separated, whether the two pulling assemblies are in the same vertical direction can be directly judged by observing whether the laser emitted by the laser head 12 is in the butt hole of the butt rod 13, and the phenomenon of misalignment of the two pulling assemblies is avoided, and the detection accuracy of the device is further improved.

[0028] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

[0029] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An engineering acceptance plumbness detection device, said device comprising a plumb bob (1), characterised in that, The device further comprises two pulling assemblies, each of which comprises a support plate (2), a fixed plate (3), a winding roller (4) and a one-way brake unit, a pair of fixed plates (3) are symmetrically and fixedly arranged on the upper part of the support plate (2), the winding roller (4) is rotatably arranged between the two fixed plates (3), a plumb line (5) is wound on the winding roller (4), the two plumb lines (5) are respectively fixedly arranged at the two ends of the plummet (1), the one-way brake unit is arranged on each of the winding rollers (4), the end of one of the winding rollers (4) is provided with a rewinding unit, and the end of the other winding roller (4) is provided with a hand wheel (19); the one-way brake unit comprises a first hollow disc (6) fixedly arranged on the fixed plate (3), a ratchet wheel (7) rotatably arranged in the first hollow disc (6) and a pawl (8) matched with the ratchet wheel (7), the ratchet wheel (7) is coaxially and fixedly connected with the winding roller (4), and a push plate (9) connected with the pawl (8) is further arranged outside the first hollow disc (6).

2. The engineering acceptance plumbness detection device of claim 1, wherein, The rewinding unit comprises a second hollow disc (10) fixedly arranged on the fixed plate (3) and a reset coil spring (11) arranged in the second hollow disc (10), and the two ends of the reset coil spring (11) are connected with the second hollow disc (10) and the winding roller (4) respectively.

3. The engineering acceptance plumbness detection device of claim 1, wherein, The device further comprises a positioning assembly, which comprises a plurality of laser heads (12) arranged on one of the support plates (2) and a plurality of butt rods (13) arranged on the other support plate (2), the laser heads (12) are vertically arranged downwards, the butt rods (13) are arranged in one-to-one correspondence with the laser heads (12), and the end of each butt rod (13) is provided with a butt hole.

4. The engineering acceptance plumbness detection device of claim 1, wherein, A plurality of insertion rods (14) are fixedly arranged on one of the support plates (2), and a plurality of insertion sleeves (15) are fixedly arranged on the other support plate (2) in correspondence with the positions of the insertion rods (14), a screw rod (16) is movably arranged in each of the insertion rods (14), the end of the screw rod (16) arranged outside the support plate (2) is provided with a knob (17), and a threaded hole matched with the screw rod (16) is arranged in each of the insertion sleeves (15).

5. The engineering acceptance plumbness detection device of claim 4, wherein, A lifting handle (18) is further arranged on one of the support plates (2).