CN204919355U - Hand plumb bob device - Google Patents
Hand plumb bob device Download PDFInfo
- Publication number
- CN204919355U CN204919355U CN201520650696.2U CN201520650696U CN204919355U CN 204919355 U CN204919355 U CN 204919355U CN 201520650696 U CN201520650696 U CN 201520650696U CN 204919355 U CN204919355 U CN 204919355U
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- plumb bob
- hand
- rotating shaft
- stop
- bob device
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Abstract
The utility model relates to a hand plumb bob device, including a plumb bob, be provided with the measurement dish on the plumb bob, the plumb bob top is connected with the test rope, and the test rope other end is through twining behind the stopper in a pivot, and the one end of pivot is connected with a handle, hand plumb bob device is still including being used for restricting pivot pivoted pivot locking unit. This hand plumb bob device has solved the problem that exists among the prior art, this hand plumb bob device simple structure, convenient operation, and weather -proof, observation continuity height have improved slipform construction speed, disposable installation is fixed, the manual operation is few, has improved the accuracy of observation, reduce the frequent operation in high altitude, improved the observation security.
Description
Technical field
The utility model relates to high pier bridge Slip Form Construction Technique, particularly relates to the hand plumb bob device for vertical observation in a kind of high pier bridge slding form operation process.
Background technology
In engineering construction, when bridge site is located in mountain area, pier is high, narrow terrain, sidewalk are not smooth, (slding form operation refers in cast-in-place concrete construction of bridge that utilizing jack or motor etc. to drive template system to slide forms a kind of construction method of concrete product in the slding form operation now carried out, there is the advantages such as mechanization degree is high, speed of application is fast, on-the-spot place takies less, structural integrity is strong) especially should note working security, (to the vertical observation of simultaneously construction bridges verticality represent that component element to be measured is relative to reference element, keeps 90 ° of angle situations.Vertical observation is exactly adopt certain equipment, method to measure the behavior of component verticality) especially based on simply accurately, avoid high-altitude to repeat.
Should meet the following requirements in the apolegamy of " sliding shuttering engineering legislation " (GB50113-2005) 5.2.12 article of precision controlling instrument, equipment: vertical observation equipment can adopt laser vertical instrument, self leveling laser vertical instrument, transit and plumb bob etc., perpendicularity deviation is 0.1% of height, and must not be greater than 30mm.
In current high pier slding form operation, vertical observation mainly adopts laser plummet method and plumb bob method.
1) laser plummet method
As shown in Fig. 5 a, Fig. 5 b, Fig. 5 c, benchmark control point is set with a certain distance from pier shaft, as laser plummet alignment at pier stud four identity distances.On high pier sliding-mode platform, upright position needs hollow out to arrange corresponding laser target.Below pier stud, laser plummet installed by platform, by tripod conditioning instrumentation height, by foot screw and center convolution adjustment instrument level, centering reference point, any level rotates the equal level of instrument, the backward upper projection laser beam of centering, formation≤5mm hot spot on target, measures pier stud verticality by the position deviation of hot spot and target.Template is often sliding once should be measured in time, need stop operation, guarantee survey crew safety during measurement, will avoid the frequent dismounting of instrument and foreign object touching in work progress.The method Problems existing is that laser plummet method needs technical professional to operate, and needs to check leveling, centering, again alignment length consuming time before each observation.Hollow out laser target position has falling object from high altitude potential safety hazard; The impact of laser plummet method climate factor is comparatively large, and laser plummet is comparatively responsive to the humidity in air, after the rain or the large greasy weather comparatively large to Accuracy, and light rain weather cannot use, and affect sliding formwork continuity and constructs.
2) plumb bob method
As shown in Figure 6, benchmark control point is set in pier stud bottom platform, plumb bob 8 heavy for 5kg Ф 2mm steel cable is hung on sliding-mode platform 9 correspondence position.In slding form operation, operating personnel along with each template upwards sliding, need separate Kaiyuan static line hammer 8, transfer to observation position by plumb bob 8, again fix after measurement, mark will be carried out in plumb bob 8 position of at every turn transferring, so that observation.Wire rope to be kept in construction to place neat, avoid causing handling safety hidden danger.The method Problems existing is that operation is loaded down with trivial details, operation is inconvenient, poor continuity, affects sliding speed, needs accurately to locate plumb bob hoisting point position before observation, test once, on operating platform, operating personnel's manual positioning once, causes sliding formwork to there is problem to be measured of stopping work, affect construction speed; Human error is larger; Plumb bob hoisting point position is determined by operating personnel on operating platform, along with frequently untiing, fixedly transferring plumb bob, there are artificial cumulative errors; Operating platform is piled up a large amount of wire rope and is caused operating personnel's high-altitude working safety hidden danger.
Thus, the present inventor relies on experience and the practice of being engaged in relevant industries for many years, proposes a kind of hand plumb bob device, to overcome the defect of prior art.
Utility model content
The purpose of this utility model is to provide a kind of hand plumb bob device, solves problems of the prior art, and this hand plumb bob apparatus structure is simple, easy to operate, weatherproof, observation continuity high, improve slding form operation speed; Disposable installation is fixed, manual operation is few, improves accuracy of observation; Reduce the frequent operation in high-altitude, improve observation safety.
The purpose of this utility model is achieved in that a kind of hand plumb bob device, comprises a plumb bob, described plumb bob is provided with measurement dish, be connected with test rope above described plumb bob, the described test rope other end is wound in a rotating shaft after a stop, and one end of described rotating shaft is connected with one handle; Described hand plumb bob device also comprises the rotating shaft lock cell for limiting described axis of rotation.
In a better embodiment of the present utility model, described measurement dish comprises the disk that a center of circle overlaps with the radial center of described plumb bob, the side circumference of described disk is evenly provided with multiple tow group that can bend under external force, and the horizontal radial of the free end of each described tow group extremely center of described disk is apart from identical.
In a better embodiment of the present utility model, be arranged on a pedestal, described stop is arranged on a flat edge of table described axis of rotation, and described pedestal arranges on the platform and is positioned at described stop side; The side of described pedestal is provided with described rotating shaft lock cell.
In a better embodiment of the present utility model, described pedestal comprises bracing frame, the first location-plate is fixed with above support frame as described above side, the second location-plate is fixed with above support frame as described above opposite side, on described first location-plate and described second location-plate, relative position is equipped with a rotating shaft installing hole, and described rotating shaft two ends are rotated and are arranged in described rotating shaft installing hole.
In a better embodiment of the present utility model, described rotating shaft lock cell comprises the multiple rotating shaft lock holes being positioned at and evenly arranging on described first location-plate, along described rotating shaft installing hole circumference, is plugged with the dead bolt that can stop described handle circumferential movement in described rotating shaft lock hole removedly.
In a better embodiment of the present utility model, described rotating shaft lock cell is ratchet mechanism.
In a better embodiment of the present utility model, described stop comprises the holder of bottom, and be provided with limiting section above described holder, described limiting section is provided with a spacing hole, and described test rope is through described spacing hole.
In a better embodiment of the present utility model, described plumb bob top is provided with connecting portion, and described connecting portion is fixedly connected with described test rope.
From the above mentioned, the hand plumb bob device that the utility model provides, has following beneficial effect:
(1) simplify technique, simple to operate: survey crew first sliding fix hand plumb bob device after, without the need to repeatedly checking; Constructor can grasp device key points for operation fast and carry out normal construction.
(2) Continuous Observation, with sliding with survey: after hand plumb bob device installs, when template upward sliding, hand plumb bob device moves up with template, transfers plumb bob at any time observe by manual setter, avoids stopping work to be measured; Device not climate factor impact, after light rain, rain or the large greasy weather on precision without impact, can Continuous Observation, improve slding form operation efficiency.
(3) manual operation is few, accuracy of observation is high: survey crew only needs once accurately hand plumb bob device to be positioned on sliding shuttering, in subsequent construction, hand plumb bob of transferring remains on and measures At The Height and carry out surveying continuously establishing, measurement dish can react verticality accurately, decrease manual operation cumulative errors, improve accuracy of observation, guarantee that shaped component verticality is in specification allowed band.
(4) security performance is high: operating platform sealing, without hollow out, by spacing hole control observation position, avoids falling object from high altitude potential safety hazard; Hand plumb bob device once mounting, without the need to repeatedly work high above the ground, operating platform is clean and tidy without non-preformed wire rope, avoids high-altitude working safety hidden danger.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1: be hand plumb bob apparatus structure schematic diagram of the present utility model.
Fig. 2: be the pedestal of hand plumb bob device of the present utility model, rotating shaft and handle schematic diagram.
Fig. 3: be the stop schematic diagram of hand plumb bob device of the present utility model.
Fig. 4: be hand plumb bob device working state schematic representation of the present utility model.
Fig. 5 a: be laser plummet method benchmark control point top view.
Fig. 5 b: be laser plummet method schematic diagram along the bridge.
Fig. 5 c: be laser plummet method cross-bridges direction schematic diagram.
Fig. 6: be plumb bob method working state schematic representation.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and detailed description of the invention of the present utility model is described.
As shown in Figure 1 and Figure 2, the hand plumb bob device 100 that the utility model provides, comprise a plumb bob 1, plumb bob 1 is provided with measurement dish 7, is connected with test rope 2 above plumb bob 1, in the present embodiment, plumb bob 1 top is provided with connecting portion 11, connecting portion 11 is fixedly connected with described test rope 2, and plumb bob 1, for guaranteeing the verticality of testing rope 2, is generally not less than 5kg.What test in present embodiment that rope 2 adopts is the wire rope of φ 2mm, and to meet the requirement of pliability and abrasion resistance properties, simultaneously for realizing the vertical observation of the highest pier, the length of test rope is greater than the height of the highest pier.Test rope 2 other end is wound in a rotating shaft 4 after a stop 3, and one end of rotating shaft 4 is connected with one handle 5, and test rope 2 is wound in rotating shaft 4, neatly cleans, avoids in disorder being deposited on operating platform 9, cause potential safety hazard.More smooth and easy in order to make test rope 2 move, when this hand plumb bob device 100 is installed before constructing, the permanent position of rotating shaft 4 is higher than stop 3, and test rope time generally initially to install between stop 3 and rotating shaft 4 and the spacing angle α between vertical direction are more than or equal to 5 ° and are less than or equal to 15 ° and are advisable.This hand plumb bob device 100 also comprises the rotating shaft lock cell 61 rotated for limiting rotating shaft 4.
Further, as shown in Figure 1, measurement dish 7 comprises the disk 71 that a center of circle overlaps with the radial center of plumb bob 1, for the ease of installing location, disk 71 is generally arranged on the top of plumb bob 1, disk 71 is provided with the via hole (not shown) of connecting portion 11, the material selection of disk 71 should meet when being hit not yielding.The side circumference of disk 71 is evenly provided with multiple tow group 72, tow group 72 generally selects plastic material, protruded length is 3 ~ 8cm, tow group 72 has certain rigidity and elasticity, do not have can not to bend during External Force Acting, sagging or upwarp, can produce bending under external force, can restore to the original state when external force disappears.In order to ensure the horizontal range indicating plumb bob 1 center and pier stud facade promptly and accurately and then reflect construction verticality, avoid causing display error because plumb bob 1 rotates, the free end of each tow group 72 to the horizontal radial of the center of disk 71 apart from identical.In construction, that plumb bob 1 center is set with the distance of pier stud facade with free end that is tow group 72 to the horizontal radial of disk 71 center apart from identical, when the free end of tow group 72 just contacts with pier stud facade on disk 71, can think that verticality meets the demands; When the free end of tow group 72 to contact with pier stud facade cause bending or produce gap with pier stud facade time, verticality is defective, needs to take technical measures to rectify a deviation in time.Plumb bob 1 is arranged measurement dish 7, each time of measuring perpendicularity deviation can be reduced, enhance productivity, simultaneously short owing to observing Measuring Time, also improve the safety of measuring operation.
Further, as shown in Figure 2, rotating shaft 4 is arranged on a pedestal 6 rotationally, stop 3 is arranged on edge (stop 3 level or the vertically installation of operation platform 9, generally slide smooth and easy for the ease of test rope 2, stop 3 level is installed), pedestal 6 arranges on the platform and is positioned at stop 3 side.The side of pedestal 6 is provided with described rotating shaft lock cell 61.Pedestal 6 comprises bracing frame 62, the first location-plate 621 is fixed with above bracing frame 62 side, the second location-plate 622 is fixed with above bracing frame 62 opposite side, on first location-plate 621 and the second location-plate 622, relative position is equipped with a rotating shaft installing hole 623, and rotating shaft 4 two ends are rotated and are arranged in rotating shaft installing hole 623.
As shown in Figure 1 and Figure 2, in the present embodiment, rotating shaft lock cell 61 comprises the multiple rotating shaft lock holes 611 being positioned at and evenly arranging on the first location-plate 621, along rotating shaft installing hole 623 circumference, is plugged with the dead bolt 612 that can stop handle 5 circumferential movement in rotating shaft lock hole 611 removedly.Rotating shaft lock cell 61 can limit rotating shaft 4 and rotates by stopping handle 5 move, thus locking test rope, avoids plumb bob 1 gravitate naturally to drop slips, and then ensures that plumb bob remains measuring height place fixed shortly when a certain height is constructed.Rotating shaft lock cell 61 can also adopt ratchet mechanism to realize restriction rotating shaft 4 to rotate.
Further, as shown in Figure 1, Figure 3, stop 3 comprises the holder 32 of bottom, and be provided with limiting section 33 above holder 32, limiting section 33 is provided with a spacing hole 31 (also can be a stopper slot), and test rope 2 realizes spacing through spacing hole 31.In the present embodiment, spacing hole 31 aperture is 4mm, can meet test rope 2 (φ 2mm wire rope) and passes through and can not there is Multiple level, avoids test rope to rock; Polishing process is done at spacing hole 31 edge, prevents wear testing rope, affects observation effect.In vertical observation process, the stop 3 of side below pedestal is fixed in position, and horizontal level during for controlling the reference range of vertical observation and keeping wire rope to transfer is constant.
The hand plumb bob device 100 that the utility model provides is before carrying out vertical observation, first stop 3 is fixed on on the operating platform of pier stud facade horizontal range 10 ~ 20cm, fixing the pedestal 6 (position of rotating shaft 4 is higher than spacing hole 31) of hand plumb bob device 100 near stop 3 and the position of convenient operation, the spacing hole 31 on general stop 3 and the test rope between rotating shaft 4 and the spacing angle in 5 ° ~ 15 ° between vertical direction are advisable.As shown in Figure 4, in work progress, the general symmetry of the hand plumb bob device 100 that the utility model provides is arranged on the both sides of pier stud crossbeam, and in work progress, stop 3 and pedestal 6 can not move, and must be integrally fixed the certainty of measurement ensureing verticality with operating platform 9.Plumb bob 1 is connected through bottom spacing hole test rope vertically downward, the cross observation monument (prior art) of plumb bob 1 pair of quasi sliding mode bottom position, on disk 71, the free end of tow group 72 just contacts with pier stud facade, and hand plumb bob device 100 installs.When template upward sliding, hand plumb bob device 100 remains unchanged with the spacing of pier stud facade, and entirety is followed in template and moved, now extract dead bolt 612 out, swinging handle 5 transfers plumb bob 1, when plumb bob arrives observed altitude, in rotating shaft lock hole 611, insert dead bolt 612, rotating shaft 4 is locked.Under the restriction effect of stop 3, plumb bob 1 can hand lifting at any time, without the need to detection and location again, simple to operate, can carry out continuing observation.
From the above mentioned, the hand plumb bob device that the utility model provides, has following beneficial effect:
(1) simplify technique, simple to operate: survey crew first sliding fix hand plumb bob device after, without the need to repeatedly checking; Constructor can grasp device key points for operation fast and carry out normal construction.
(2) Continuous Observation, with sliding with survey: after hand plumb bob device installs, when template upward sliding, hand plumb bob device moves up with template, transfers plumb bob at any time observe by manual setter, avoids stopping work to be measured; Device not climate factor impact, after light rain, rain or the large greasy weather on precision without impact, can Continuous Observation, improve slding form operation efficiency.
(3) manual operation is few, accuracy of observation is high: survey crew only needs once accurately hand plumb bob device to be positioned on sliding shuttering, in subsequent construction, hand plumb bob of transferring remains on and measures At The Height and carry out surveying continuously establishing, measurement dish can react verticality accurately, decrease manual operation cumulative errors, improve accuracy of observation, guarantee that shaped component verticality is in specification allowed band.
(4) security performance is high: operating platform sealing, without hollow out, by spacing hole control observation position, avoids falling object from high altitude potential safety hazard; Hand plumb bob device once mounting, without the need to repeatedly work high above the ground, operating platform is clean and tidy without non-preformed wire rope, avoids high-altitude working safety hidden danger.
The foregoing is only the schematic detailed description of the invention of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.
Claims (8)
1. a hand plumb bob device, comprise a plumb bob, it is characterized in that: described plumb bob is provided with measurement dish, above described plumb bob, be connected with test rope, the described test rope other end is wound in a rotating shaft after a stop, and one end of described rotating shaft is connected with one handle; Described hand plumb bob device also comprises the rotating shaft lock cell for limiting described axis of rotation.
2. hand plumb bob device as claimed in claim 1, it is characterized in that: described measurement dish comprises the disk that a center of circle overlaps with the radial center of described plumb bob, the side circumference of described disk is evenly provided with multiple tow group that can bend under external force, and the horizontal radial of the free end of each described tow group extremely center of described disk is apart from identical.
3. hand plumb bob device as claimed in claim 1, it is characterized in that: be arranged on a pedestal, described stop is arranged on a flat edge of table described axis of rotation, and described pedestal arranges on the platform and is positioned at described stop side; The side of described pedestal is provided with described rotating shaft lock cell.
4. hand plumb bob device as claimed in claim 3, it is characterized in that: described pedestal comprises bracing frame, the first location-plate is fixed with above support frame as described above side, the second location-plate is fixed with above support frame as described above opposite side, on described first location-plate and described second location-plate, relative position is equipped with a rotating shaft installing hole, and described rotating shaft two ends are rotated and are arranged in described rotating shaft installing hole.
5. hand plumb bob device as claimed in claim 4, it is characterized in that: described rotating shaft lock cell comprises the multiple rotating shaft lock holes being positioned at and evenly arranging on described first location-plate, along described rotating shaft installing hole circumference, is plugged with the dead bolt that can stop described handle circumferential movement in described rotating shaft lock hole removedly.
6. hand plumb bob device as claimed in claim 3, is characterized in that: described rotating shaft lock cell is ratchet mechanism.
7. hand plumb bob device as claimed in claim 1, is characterized in that: described stop comprises the holder of bottom, and be provided with limiting section above described holder, described limiting section is provided with a spacing hole, and described test rope is through described spacing hole.
8. hand plumb bob device as claimed in claim 1, is characterized in that: described plumb bob top is provided with connecting portion, and described connecting portion is fixedly connected with described test rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520650696.2U CN204919355U (en) | 2015-08-26 | 2015-08-26 | Hand plumb bob device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520650696.2U CN204919355U (en) | 2015-08-26 | 2015-08-26 | Hand plumb bob device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204919355U true CN204919355U (en) | 2015-12-30 |
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ID=54968499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520650696.2U Withdrawn - After Issue CN204919355U (en) | 2015-08-26 | 2015-08-26 | Hand plumb bob device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204919355U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113413A (en) * | 2015-08-26 | 2015-12-02 | 中交第一公路工程局有限公司 | Hand-operated plumb bob device |
-
2015
- 2015-08-26 CN CN201520650696.2U patent/CN204919355U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113413A (en) * | 2015-08-26 | 2015-12-02 | 中交第一公路工程局有限公司 | Hand-operated plumb bob device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151230 Effective date of abandoning: 20160928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |