CN110905224A - Auxiliary point throwing device and method for construction measurement - Google Patents
Auxiliary point throwing device and method for construction measurement Download PDFInfo
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- CN110905224A CN110905224A CN201911285987.5A CN201911285987A CN110905224A CN 110905224 A CN110905224 A CN 110905224A CN 201911285987 A CN201911285987 A CN 201911285987A CN 110905224 A CN110905224 A CN 110905224A
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- 238000010276 construction Methods 0.000 title claims abstract description 43
- 238000005259 measurement Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005266 casting Methods 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 description 5
- 239000000758 substrate Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- -1 acryl Chemical group 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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- 229920003023 plastic Polymers 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
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Abstract
The invention discloses a construction measurement auxiliary point throwing device and a construction measurement auxiliary point throwing method, wherein the construction measurement auxiliary point throwing device comprises a ruler body and an adjusting device for adjusting the balance of the ruler body, the adjusting device is connected with the ruler body in a sliding manner, an axially hollow projection cylinder is arranged on the ruler body, the projection cylinder is arranged on the ruler body in a sliding manner, the ruler body is respectively connected with two adjusting devices which are arranged oppositely in a sliding manner in the axial direction, the adjusting device comprises a base plate and clamping plates arranged on two opposite sides of the base plate, and a space formed by the base plate and the two clamping plates is used for being sleeved on the axial outer surface of the ruler body and moving along; this supplementary device of throwing can realize sheltering from the normal laying-out of department, and the laying-out precision is higher simultaneously.
Description
Technical Field
The invention relates to the technical field of construction measurement, in particular to an auxiliary point throwing device and method for construction measurement.
Background
At present, before building construction, lofting measurement is required to be carried out so as to obtain construction data and ensure high-quality and high-efficiency construction work of the building. The core of lofting measurement lies in obtaining various casting point positions, and the traditional method for obtaining casting point positions usually adopts tools or methods such as a total station, an RTK and the like for observation, but is only suitable for wider places and buildings. For the measurement of the angle point of a deeper foundation pit, the center of a pier stud pile casing or the top surface of a template of various structures, the problem of low measurement precision of a total station and RTK (real-time kinematic) can occur due to shielding, so that lofting cannot be realized.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a construction measurement auxiliary point throwing device and method, which can realize normal lofting of a sheltered position and have higher lofting precision.
The invention provides an auxiliary casting point device for construction measurement, which comprises a ruler body and an adjusting device for adjusting the balance of the ruler body, wherein the adjusting device is connected with the ruler body in a sliding manner, the ruler body is provided with an axially hollow projection cylinder, and the projection cylinder is arranged on the ruler body in a sliding manner.
Furthermore, the axial direction of the ruler body is respectively connected with two oppositely arranged adjusting devices in a sliding mode, each adjusting device comprises a base plate and clamping plates arranged on two opposite sides of the base plate, and a space formed by the base plate and the two clamping plates is used for being sleeved on the axial outer surface of the ruler body and moving along the axial direction of the ruler body.
Furthermore, a horizontal indicator is fixed on one surface of the base plate far away from the clamping plates, the ends of the two clamping plates far away from the base plate are bent inwards to form clamping plate bottoms, and the clamping plate bottoms are in contact connection with the ruler body.
Furthermore, a horizontal adjusting mechanism for adjusting the levelness of the substrate is arranged on the substrate, and the horizontal adjusting mechanism is respectively arranged on the opposite outer sides of the two clamping plates;
the horizontal adjusting mechanism is an adjusting bolt, the adjusting bolt is connected with a bolt hole formed in the base plate in a matched mode, and the adjusting bolt is arranged on the opposite outer sides of the two clamping plates respectively.
Further, the bottom of the horizontal adjusting mechanism is connected with a cushion block, and the cushion block is a rubber pad.
Furthermore, the upper part of the projection cylinder in the axial direction is provided with a laser projection device, and laser emitted by the laser projection device penetrates through the axial cavity of the projection cylinder to be emitted.
Furthermore, the lower part of the projection cylinder in the axial direction is provided with a plumb ball, and the plumb ball is telescopically connected with the projection cylinder through a plumb line.
Furthermore, the projection cylinder is of an annular cone shape, the radial section area of the projection cylinder is gradually reduced along the axial direction, one end with a large radial section area is connected with the ruler body in a sliding mode, and the end with a small radial section area hangs down freely.
Furthermore, a sliding groove is formed in the ruler body in the axial direction, and one end, with a large radial section area, of the projection cylinder is clamped with the sliding groove and moves along the sliding groove; the opposite sides of the sliding groove are respectively provided with symmetrically distributed scale marks.
A construction measurement auxiliary point throwing method comprises the following steps:
acquiring the position of a predicted lofting point right above the ground by using a total station;
selecting a point A, obtaining the coordinate of the point A, and obtaining the direction of a point B through coordinate back calculation;
selecting a point B in the direction of the point B, and obtaining the coordinate of the point B through coordinate forward calculation, wherein the point A, the predicted sampling point and the point B are on the same straight line;
respectively calculating the distance from the point A and the point B to the predicted lofting point to obtain the coordinate of the theoretical lofting point;
adjusting the axis of the ruler body to coincide with the AB connecting line, and adjusting the ruler body to a horizontal posture by using an adjusting device;
moving the projection cylinder to the coordinate position of the theoretical lofting point;
and taking the corresponding position right below the projection cylinder as the final lofting point position required by construction.
The construction measurement auxiliary point throwing device and the construction measurement auxiliary point throwing method have the advantages that: according to the construction measurement auxiliary point throwing device and method provided by the structure, normal lofting at a sheltered position is realized, meanwhile, the lofting precision is high, and the defect that lofting cannot be performed due to low measurement precision of a total station and an RTK is overcome; the adjusting devices are arranged at two opposite ends of the ruler body and play a role in supporting and adjusting the horizontal posture of the ruler body; meanwhile, the adjusting device is connected with the ruler body in a matched mode, so that on one hand, the defect of position deviation caused by the occurrence of gaps between the adjusting device and the ruler body is avoided, the freedom degrees in multiple directions can be limited, and the adjusting device is prevented from being loosened from the ruler body easily; on the other hand, the adjusting device is convenient to be directly fixed when moving to the position, and the defect of unstable fixation caused by mutual sliding of the adjusting device and the ruler body is avoided; the projection cylinder adopts the prism reflection principle, and when the projection is carried out by adopting laser (laser projection device), the concave mirror optical refraction ensures that the laser projection is vertical to the ruler surface, so that the accuracy of the laser projection is ensured, and the accuracy of the projection is further improved during construction measurement.
Drawings
FIG. 1 is a schematic structural diagram of an auxiliary casting device for construction survey according to the present invention;
FIG. 2 is a schematic view of the structure of the adjusting device;
FIG. 3 is a flow chart illustrating the steps of an auxiliary casting method for construction survey according to the present invention;
the device comprises a ruler body 1, an adjusting device 2, a projection barrel 3, a laser projection device 4, a sliding chute 5, a scale mark 6, a bearing platform angular point 7, a substrate 21, a clamping plate 22, a horizontal indicator 23, a horizontal adjusting mechanism 24 and a cushion block 25.
Detailed Description
The present invention is described in detail below with reference to specific embodiments, and in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Referring to fig. 1 and 2, the construction measurement auxiliary casting point device provided by the invention comprises a ruler body 1 and an adjusting device 2 for adjusting the balance of the ruler body 1, wherein the adjusting device 2 is slidably connected with the ruler body 1, the ruler body 1 is provided with an axially hollow projection cylinder 3, and the projection cylinder 3 is slidably arranged on the ruler body 1.
The auxiliary casting point device can be used for construction operation of a lofting measurement casting point position of construction and construction, is particularly suitable for occasions with shielding of buildings, and is used for carrying out auxiliary measurement casting point on a traditional total station or RTK (real time kinematic), placing the ruler body 1 near a casting point needing to be positioned by the total station, horizontally adjusting the ruler body 1 by the adjusting device 2, moving the projection cylinder 3 to be right above the casting point, and determining the position right below the projection cylinder 3 as the position needing lofting. When acquiring the position right below the projection cylinder 3, the following two methods can be adopted: (a) the upper part of the projection cylinder 3 in the axial direction is provided with a laser projection device 4, laser emitted by the laser projection device 4 penetrates through the axial cavity of the projection cylinder 3 to be emitted, and the laser projection device 4 is projected to the position of the ground to be used as the position of required lofting. (b) The lower part of the projection cylinder 3 in the axial direction is provided with a plumb ball, the plumb ball is telescopically connected with the projection cylinder 3 through a plumb line, the plumb ball is hung down towards the ground by the action of gravity, and a connection point with the ground is used as a position of required lofting.
The projection cylinder 3 adopts the prism reflection principle, has a large upper opening and a small lower opening, is arranged in a through mode, and ensures that the laser projection is perpendicular to the ruler surface 1 by the optical refraction of the concave mirror when the laser (the laser projection device 4) is used for projection, thereby ensuring the accuracy of the laser projection and further improving the accuracy of the projection point during construction measurement.
Preferably, in order to improve the axial adjustment stability and lofting precision of the blade 1, as shown in fig. 2, the blade 1 is axially and respectively connected with two opposite adjusting devices 2 in a sliding manner, each adjusting device 2 includes a base plate 21 and two blocking plates 22 disposed on opposite sides of the base plate 21, and a space formed by the base plate 21 and the two blocking plates 22 is used for being sleeved on the axial outer surface of the blade 1 and axially moving along the blade 1. The two clamping plates 22 are bent inwards at the end far away from the base plate 21 to form the bottoms of the clamping plates 22, and the bottoms of the clamping plates 22 are in contact connection with the ruler body 1.
The base plate 21 is provided with a horizontal adjusting mechanism 24 for adjusting the levelness of the base plate 21, and the horizontal adjusting mechanisms 24 are respectively arranged on the opposite outer sides of the two clamping plates 22; the horizontal adjusting mechanism 24 can be an adjusting bolt, the adjusting bolt is connected with a bolt hole formed in the base plate 21 in a matched mode, the adjusting bolt is respectively arranged on the opposite outer sides of the two clamping plates 22, the base plate 21 is driven to move up and down by rotating the adjusting bolt, and then the horizontal posture of the ruler body 1 is adjusted. The bottom of horizontal adjustment mechanism 24 is connected with cushion 25, cushion 25 is the rubber pad, and the setting up of cushion 25 can easily guarantee the stability of placing of whole supplementary device of throwing on the one hand, and on the other hand has certain shock attenuation shock-absorbing capacity, can offset the external environment and apply the influence of the vibration impact at supplementary device of throwing on the spot, has guaranteed the degree of accuracy of throwing on the spot.
It should be understood that the horizontal adjustment mechanism 24 may be other structures capable of achieving elevation adjustment, such as: the telescopic rod structure, the scissor fork mechanism, the lead screw slider mechanism and the like can be specifically selected according to actual requirements.
The base plate 21 and the clamping plate 22 form a cavity, and the ruler body 1 is just matched with the cavity, so that the defect of position deviation caused by a gap between the adjusting device 2 and the ruler body 1 is avoided, the freedom degrees in multiple directions can be limited, and the adjusting device 2 is ensured not to be easily loosened from the ruler body 1; on the other hand, the adjusting device 2 is convenient to directly fix when moving in place, and the defect of unstable fixation caused by mutual sliding of the adjusting device 2 and the ruler body 1 is avoided.
In order to visually confirm that the ruler body 1 is adjusted to be in a horizontal posture by the adjusting device 2, the horizontal indicator 23 is fixed on one surface of the base plate 21 far away from the clamping plate 22, the adjusting state of the ruler body 1 can be visually obtained by observing the horizontal indicator 23, meanwhile, the ruler body 1 can be confirmed to be in the horizontal posture at any time by observing the horizontal indicator 23 in the measuring process, and the accuracy of construction lofting is improved.
Preferably, the projection cylinder 3 can slide on the blade 1 in the following manner: the projection cylinder 3 is in an annular cone shape, the radial section area of the projection cylinder 3 is gradually reduced along the axial direction, one end with large radial section area is connected with the ruler body 1 in a sliding mode, and the end with small radial section area hangs down freely; the axial of the ruler body 1 is provided with a sliding groove 5, and one end of the projection cylinder 3 with large radial section area is clamped with the sliding groove 5 and moves along the sliding groove 5. When the projection cylinder 3 is fixed, a magnet can be arranged on the chute 5 and/or the projection cylinder 3, and the projection cylinder 3 is fixed through magnetic attraction; the opposite sides of the chute 5 are respectively provided with symmetrically distributed scale marks 6.
The macrostoma end of projection section of thick bamboo 3 can directly hang upside down and clamp in spout 5, realizes putting 3 holistic hanging of projection section of thick bamboo fixedly, and package assembly is simple, when needs take off projection section of thick bamboo 3, directly with projection section of thick bamboo 3 from the big one end of radial cross sectional area take out can.
Preferably, the projection cylinder 3 can slide on the blade 1 in the following manner: the projection cylinder 3 is of an annular cone shape, the radial cross-sectional area of the projection cylinder 3 is gradually reduced along the axial direction, a convex block with a slide way is fixed on the projection cylinder 3, the slide way 5 is arranged in the axial direction of the ruler body 1, and the slide way of the convex block is connected with the slide way 5 in a nested matching mode, so that the projection cylinder 3 is connected with the ruler body 1 in a sliding mode.
It should be understood that because the ruler body 1 needs often to erect in the building position that has the cavity, for example, the triangle position of cushion cap, therefore its load can be great usually, deformation does not avoid taking place, require ruler body 1 to possess sufficient rigidity, preferably, ruler body 1 adopts stainless steel or high strength aluminum alloy preparation, the appearance is square structure, can prevent more steadily, simultaneously ruler body 1's upper surface sets up to full transparent construction, can directly observe the ground below ruler body 1, be convenient for observe the input position, ruler body 1's upper surface's transparent construction can be the window body structure who adopts glass, transparent acryl, transparent plastics preparation.
The auxiliary casting device can be arranged above a measurement building, namely, the auxiliary casting device can avoid lateral shielding, so that lofting casting point measurement can be smoothly and efficiently completed, the measurement result precision can be ensured, and auxiliary construction operation can be smoothly carried out.
As shown in fig. 3, a construction survey auxiliary spotting method includes the following steps S1 to S7:
s1: acquiring the position of a predicted lofting point right above the ground by using a total station;
taking the lofting of the bearing platform angular point 7 as an example, a total station or an RTK extension line method is firstly utilized to extend the predicted lofting point (i.e. the bearing platform angular point) to the ground position right above the predicted lofting point.
S2: selecting a point A, obtaining the coordinate of the point A, and obtaining the direction of a point B through coordinate back calculation;
according to the field condition, the point A can be flexibly selected, and the coordinates of the point A are collected after the station is set.
S3: selecting a point B in the direction of the point B, and obtaining the coordinate of the point B through coordinate forward calculation, wherein the point A, the predicted sampling point and the point B are on the same straight line; the position of point B can be selected according to actual conditions in the field.
S4: respectively calculating the distance from the point A and the point B to the predicted lofting point to obtain the coordinate of the theoretical lofting point;
the position of the bearing platform angular point is directly taken as the position of the point to be cast for the prediction lofting point, so the theoretical lofting point is the theoretical lofting position of the bearing platform angular point. And (4) directly measuring the distances between the point A and the point B and the current bearing platform angular point by using a ruler, so as to obtain the theoretical lofting point of the bearing platform angular point.
S5: the axis of the ruler body 1 is adjusted to coincide with the AB connecting line, and the ruler body 1 is adjusted to be in a horizontal posture by the adjusting device 2.
The auxiliary casting point device is erected on the ground of the triangular position of the bearing platform, so that the AB connecting line penetrates through the axis of the ruler body 1, the adjusting bolt (the horizontal adjusting mechanism 24) is rotated, and the ruler body 1 is adjusted to be in a horizontal state by the aid of the adjusting device 2 through observing the horizontal indicator 23.
S6: moving the projection cylinder 3 to the coordinate position of the theoretical lofting point;
the projection cylinder 3 is moved so that the projection cylinder 3 moves to the theoretical lofting point.
S7: the position corresponding to the position right below the projection cylinder 3 is used as the final lofting point position required by construction.
Laser emitted by a laser pen (a laser projection device 4) positioned right above the projection cylinder 3 in the axial direction penetrates through the axial cavity of the projection cylinder 3 to be emitted, and then a point obtained on the ground is used as a final lofting point position required by construction. Or the vertical ball is positioned at the axial lower part of the projection cylinder 3 and is telescopically connected with the projection cylinder 3 through the plumb line, and the contact point of the vertical ball and the ground is used as the final lofting point position required by construction. Or other equipment which can axially correspond the projection cylinder 3 to the ground right below can be used, so that the connection point of the axial extension line of the projection cylinder 3 and the ground can be obtained as the final lofting point position.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a construction survey assists throwing point device, its characterized in that, includes blade (1) and is used for adjusting blade (1) balancing adjusting device (2), adjusting device (2) and blade (1) slidable connection are provided with axial hollow projection section of thick bamboo (3) on blade (1), and projection section of thick bamboo (3) slidable sets up on blade (1).
2. The auxiliary casting point device for construction measurement according to claim 1, wherein the ruler body (1) is axially and respectively connected with two oppositely arranged adjusting devices (2) in a sliding manner, each adjusting device (2) comprises a base plate (21) and clamping plates (22) arranged on two opposite sides of the base plate (21), and a space formed by the base plate (21) and the two clamping plates (22) is used for being sleeved on the axial outer surface of the ruler body (1) and axially moving along the ruler body (1).
3. The auxiliary casting point device for construction measurement as claimed in claim 2, wherein a horizontal indicator (23) is fixed on one surface of the base plate (21) far away from the clamping plates (22), the two clamping plates (22) are bent inwards at one end far away from the base plate (21) to form the bottoms of the clamping plates (22), and the bottoms of the clamping plates (22) are in contact connection with the ruler body (1).
4. The auxiliary casting device for construction survey according to claim 2, wherein the base plate (21) is provided with a horizontal adjusting mechanism (24) for adjusting the levelness of the base plate (21), and the horizontal adjusting mechanism (24) is respectively arranged at the opposite outer sides of the two clamping plates (22);
the horizontal adjusting mechanism (24) is an adjusting bolt, the adjusting bolt is connected with a bolt hole formed in the base plate (21) in a matched mode, and the adjusting bolt is arranged on the opposite outer sides of the two clamping plates (22) respectively.
5. The auxiliary casting device for construction survey according to claim 4, characterized in that a cushion block (25) is connected to the bottom of the horizontal adjusting mechanism (24), and the cushion block (25) is a rubber pad.
6. The auxiliary projection device for construction survey according to any one of claims 1 to 5, wherein the projection cylinder (3) is provided with a laser projection device (4) at an axially upper portion thereof, and the laser emitted from the laser projection device (4) is emitted through the axial cavity of the projection cylinder (3).
7. Auxiliary projection device for construction survey according to any of claims 1-5, characterized in that the projection cylinder (3) is provided with a plumb ball at its axially lower part, which is telescopically connected to the projection cylinder (3) by means of a plumb line.
8. The auxiliary projection point device for construction measurement according to any one of claims 1 to 5, wherein the projection cylinder (3) is of an annular cone shape, the radial cross-sectional area of the projection cylinder (3) is gradually reduced along the axial direction, one end with a large radial cross-sectional area is connected with the ruler body (1) in a sliding manner, and the other end with a small radial cross-sectional area hangs down freely.
9. The auxiliary casting point device for construction measurement according to claim 8, wherein a sliding groove (5) is formed in the ruler body (1) in the axial direction, and one end, with a large radial section area, of the projection cylinder (3) is clamped with the sliding groove (5) and moves along the sliding groove (5); the opposite two sides of the sliding groove (5) are respectively provided with symmetrically distributed scale marks (6).
10. A construction measurement auxiliary point throwing method is characterized by comprising the following steps:
acquiring the position of a predicted lofting point right above the ground by using a total station;
selecting a point A, obtaining the coordinate of the point A, and obtaining the direction of a point B through coordinate back calculation;
selecting a point B in the direction of the point B, and obtaining the coordinate of the point B through coordinate forward calculation, wherein the point A, the predicted sampling point and the point B are on the same straight line;
respectively calculating the distance from the point A and the point B to the predicted lofting point to obtain the coordinate of the theoretical lofting point;
the axis of the ruler body (1) is adjusted to coincide with the AB connecting line, and the ruler body (1) is adjusted to be in a horizontal posture by the adjusting device (2);
moving the projection cylinder (3) to the coordinate position of the theoretical lofting point;
and the position corresponding to the position right below the projection cylinder (3) is used as the final lofting point position required by construction.
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| CN201911285987.5A CN110905224B (en) | 2019-12-13 | 2019-12-13 | Auxiliary point throwing device and method for construction measurement |
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| CN201911285987.5A CN110905224B (en) | 2019-12-13 | 2019-12-13 | Auxiliary point throwing device and method for construction measurement |
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| CN111564084A (en) * | 2020-04-14 | 2020-08-21 | 北京仿真中心 | Method for mounting foundation plate of three-axis flight turntable |
| CN111636698A (en) * | 2020-06-30 | 2020-09-08 | 中交一公局集团有限公司 | Catching tool and auxiliary mounting tool |
| CN112857175A (en) * | 2021-01-19 | 2021-05-28 | 南通水木清华装饰设计工程有限公司 | Indoor decoration construction measurement lofting equipment and method thereof |
| CN113356583A (en) * | 2021-06-09 | 2021-09-07 | 张家港市建筑设计研究院有限责任公司 | Infrared positioning structure of embedded sleeve of standard floor slab and construction method thereof |
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| CN112857175A (en) * | 2021-01-19 | 2021-05-28 | 南通水木清华装饰设计工程有限公司 | Indoor decoration construction measurement lofting equipment and method thereof |
| CN113356583A (en) * | 2021-06-09 | 2021-09-07 | 张家港市建筑设计研究院有限责任公司 | Infrared positioning structure of embedded sleeve of standard floor slab and construction method thereof |
| CN113356583B (en) * | 2021-06-09 | 2022-10-04 | 张家港市建筑设计研究院有限责任公司 | Infrared positioning structure of embedded sleeve of standard floor slab and construction method thereof |
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