CN110778134B - Mechanical fixing device for plumb ball in civil construction - Google Patents
Mechanical fixing device for plumb ball in civil construction Download PDFInfo
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- CN110778134B CN110778134B CN201911127026.1A CN201911127026A CN110778134B CN 110778134 B CN110778134 B CN 110778134B CN 201911127026 A CN201911127026 A CN 201911127026A CN 110778134 B CN110778134 B CN 110778134B
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- pulley
- air pipe
- ball
- fixed
- plumb bob
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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 provides a mechanical fixing device for a plumb bob for civil construction, which solves the problem that the plumb bob and a plumb bob line can shake due to the influence of wind or external force in the prior art. Including the tripod of compriseing base and landing leg, a serial communication port, open the base bottom has pulley plate groove, pulley plate inslot slides and has the pulley plate, the top surface of pulley plate hangs down the ball pulley hole, the downthehole installation of ball pulley that hangs down, the downthehole slip plumb line that hangs down, the ball that hangs down is connected to the ball line lower extreme, take-up is connected to the ball line other end that hangs down, pulley plate top surface runs through there is trachea pulley hole, the downthehole trachea pulley of installation of trachea pulley, the downthehole fixed trachea that slides of trachea pulley, fixed trachea lower extreme connection fixed plate, the winding of the fixed trachea other end is on take-up, fixed trachea connects the air pump, there is the fixed orifices at the fixed. The drooping ball is encircled by the four arc-shaped plates in the fixed plate, and then the four fixed air pipes are inflated to be hardened, so that the effect of keeping the drooping ball basically still can be achieved.
Description
Technical Field
The invention relates to the technical field of civil engineering surveying and mapping mechanical parts, in particular to a vertical ball mechanical fixing device for civil engineering construction.
Background
The civil mapping project, namely, measure various information of space and earth and draw various topographic maps, take the shape, size and gravity field of the earth and other planets as research objects, the research and mapping objects are very wide, mainly include various ground objects, landforms of the earth surface, underground geological structures, hydrology, mineral deposits and the like, such as mountains, rivers, houses, roads, vegetations and the like, usually, before developing a land or carrying out engineering construction, a mapping engineer must measure and draw a topographic map and provide other information, and then can carry out decision-making, planning, designing and other works, so the mapping work is very important.
The plumb bob, it is a simple tool in the survey and drawing work, for a conical metal hammer, use the pointed end to aim at ground control point during the time of using, the string is tied to the other end, the direction when its free sag is the direction of earth gravity line, the plumb bob is vertical to pointing to the geocentric downwards, the object next to is through comparing with plumb bob line after, in order to confirm whether it is vertical, at present, most houses can all use the plumb bob line put in advance to carry out the construction of wall when being under construction as the benchmark, in order to guarantee the straightness that hangs down of wall, current plumb bob mostly all comprises plumb bob and fine rule, during the use, fix the one end of fine rule on the foundation pillar with the free sag bob, after the bob is static, can be according to the construction of the free flagging bob line entry wall of drooping bob.
However, the above-mentioned method has the following disadvantages:
1. the vertical ball swings back and forth in the manual lowering process, and an accurate result can be obtained only after the vertical ball is static, so that a large amount of time is wasted;
2. when the house wall is constructed, the plumb bob and the plumb bob line need to be kept static for a long time, but the plumb bob can shake due to the influence of wind or other external force, so that the construction quality is influenced.
Accordingly, the present invention is directed to a mechanical fixing device for a plumb bob for civil engineering to solve the above problems.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a mechanical fixing device for a vertical ball in civil construction, which effectively solves the following problems which cannot be overcome in the prior art: firstly, the vertical ball swings back and forth in the manual lowering process, and an accurate result can be obtained only after the vertical ball is static, so that a large amount of time is wasted; and secondly, during the construction of the house wall, the plumb bob and the plumb bob line are required to be kept still for a long time, but the plumb bob can shake due to the influence of wind or other external force, so that the construction quality is influenced.
The utility model provides a mechanical fixing device of plumb bob of building construction, includes the tripod, the tripod comprises base and evenly distributed and rotates three landing leg of installing on the base outward flange, its characterized in that, the bottom of base is opened has the pulley plate groove that runs through the base front side, pulley plate inslot slidable mounting has the pulley plate, the top surface middle part of pulley plate runs through there is square plumb bob pulley hole, two plumb bob pulleys are installed in the downthehole rotation of plumb bob pulley, the downthehole slidable mounting of plumb bob pulley has the plumb bob line that lies in between two plumb bob pulleys from top to bottom, the lower extreme fixedly connected with plumb bob of plumb bob line, the other end of plumb bob line is connected on the take-up device of base top, run through four trachea pulley holes around plumb bob pulley hole on the pulley plate top surface, every trachea pulley hole rotates respectively and installs two trachea pulleys, every the downthehole fixed trachea that is located between two trachea pulleys of difference slidable mounting of trachea pulley, four fixed tracheal lower extreme is connected with the fixed plate, four fixed tracheal other end twines respectively on take-up, and every fixed tracheal other end connects the air pump respectively, open at the middle part of fixed plate has the fixed orifices, it is located the fixed orifices to hang the bulb.
Preferably, a pipe joint is installed respectively in the top surface four corners department of fixed plate, four fixed trachea is in a pipe joint connection respectively, it has four piston holes with four two liang of intercommunications of pipe joint respectively to open on the arc surface of fixed orifices, four there is the piston rod in the piston hole respectively slidable mounting, four the arc is installed respectively to the one end that the piston rod is located the fixed orifices, every install reset spring between piston rod and the piston hole that corresponds respectively.
Preferably, the drop ball comprises a drop ball body, the top of the drop ball body is in threaded connection with a drop ball bolt head, and the top of the drop ball bolt head is connected with a drop ball line.
Preferably, the supporting pulley positioned above the pulley plate is rotatably installed on the front side of the top surface of the base, and the plumb line passes through the plumb ball pulley hole, then rounds the supporting pulley and then is wound on the take-up device; the four fixed air pipes respectively pass through the corresponding air pipe pulley holes and then are wound on the take-up device after bypassing the supporting pulleys.
Preferably, the take-up device comprises two drooping ball roller brackets and two air pipe roller brackets which are fixedly arranged at the left end and the right end of the top surface of the base, a drooping ball roller is rotatably arranged between the two drooping ball roller brackets, the middle part of the vertical ball roller is coaxially provided with a vertical ball coil, one end of the vertical ball wire is fixed and wound on the vertical ball coil, two air pipe rollers which are arranged up and down are rotatably arranged between the two air pipe roller brackets, two ends of each air pipe roller are respectively coaxially and rotatably provided with two air pipe winding cylinders, the upper ends of the four fixed air pipes are respectively wound on one air pipe winding cylinder, the left end coaxial coupling of plumbing ball roller has plumbing ball roller handle, two the left end of trachea roller is coaxial arrangement respectively has synchronous pulley, two install the hold-in range on the synchronous pulley, one of them the left end coaxial arrangement of trachea roller has trachea roller handle.
Preferably, the right ends of the plumbing ball roller and the air pipe roller positioned at the lower end of the air pipe roller support are respectively and coaxially provided with a counting wheel, the right end surfaces of the two counting wheels are respectively provided with a vortex-shaped counting groove, the lower ends of the plumbing ball roller support and the air pipe roller support at the right end of the top surface of the base are respectively provided with a pointer sliding groove in a penetrating manner, the two pointer sliding grooves are respectively internally provided with a pointer in a vertically sliding manner, and the left ends of the two pointers are respectively slid in the corresponding counting grooves.
Preferably, two the inside cavity of trachea roller and both ends opening, four the right-hand member of trachea winding section of thick bamboo runs through towards the axle center direction respectively and has the circular port for circular port on every trachea winding section of thick bamboo respectively with the inside intercommunication of the trachea roller that corresponds, two coaxial arrangement has the trachea erection joint that is located trachea roller support right side on the trachea roller, four fixed trachea passes the internal connection of the circular port that corresponds and trachea roller respectively and connects on the trachea erection joint that corresponds, trachea erection joint internal rotation installs trachea installation plug, and is a plurality of trachea installation plug connects the air pump through the trachea respectively.
Preferably, the air pump is fixedly installed at the rear end of the top surface of the base, an air closing valve is installed on an air outlet of the air pump, and an air outlet valve is integrally communicated with the air pipe.
Compared with the prior art, the invention has the following advantages:
1. through the matching of the pulley plate and the take-up device, the shaking of the plumb bob can be reduced in the lowering process;
2. when the drooping ball is static, the fixing plate is put down, the drooping ball is encircled by the four arc-shaped plates in the fixing plate, then the four fixing air pipes are inflated to be hardened, and the effect that the drooping ball is basically kept still can be achieved;
3. through sliding the pulley plate in tripod base below, can realize the straightness's that hangs down measurement to house, pit shaft and foundation ditch.
Drawings
FIG. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic perspective view of a tripod according to the present invention.
Fig. 3 is a first perspective view of the present invention.
Fig. 4 is a perspective view of the second embodiment of the present invention.
Fig. 5 is a perspective view of the take-up device of the present invention.
Fig. 6 is a perspective view of the pulley plate of the present invention.
Fig. 7 is a schematic sectional perspective view of a fixing plate according to the present invention.
Fig. 8 is a perspective view of the counting wheel of the present invention.
Fig. 9 is a perspective view of the timing pulley of the present invention.
Fig. 10 is a schematic sectional perspective view of the windpipe winding tube of the present invention.
Detailed Description
The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 10. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The invention relates to a mechanical fixing device for plumb balls in civil engineering, which comprises a tripod and a tripod for providing a fixing base for subsequent structures, wherein the tripod is composed of a base 101 and three support legs 102 which are uniformly distributed and rotatably arranged on the outer edge of the base 101, the three support legs can swing on the base 101, and when the fixing device is needed, the three support legs 102 are respectively pulled outwards, the fixing device is characterized in that a square pulley plate groove 2 which penetrates through the front side of the base 1 is formed in the bottom of the base 101, a pulley plate 3 is slidably arranged in the pulley plate groove 2, the pulley plate 3 can slide back and forth in the pulley plate groove 2, a square plumb ball pulley hole 4 penetrates through the middle part of the top surface of the pulley plate 3, two plumb ball pulleys 5 are rotatably arranged in the plumb ball pulley hole 4, the two plumb ball pulleys 5 can respectively rotate in the plumb ball pulley hole 4, the drooping ball pulley hole 4 is internally provided with a drooping ball line 6 which is positioned between the two drooping ball pulleys 5 in a vertically sliding manner, the drooping ball line 6 can slide vertically in the drooping ball pulley hole 4, the drooping ball line 6 can drive the two drooping ball pulleys 5 to rotate in a friction manner when sliding vertically, the lower end of the drooping ball line 6 is fixedly connected with a drooping ball 7, the drooping ball line 6 can be tied on the drooping ball 7, the other end of the drooping ball line 6 is connected to a wire collecting device above the base 101, the wire collecting device is rotated to realize the lifting of the drooping ball 7, the top surface of the pulley plate 3 is penetrated with four air pipe pulley holes 8 which surround the drooping ball pulley hole 4, the drooping ball pulley hole 4 is positioned at the central position of the four air pipe pulley holes 8, two air pipe pulleys 9 are respectively rotatably arranged in each air pipe pulley hole 8, and the, each fixed air pipe 10 positioned between the two air pipe pulleys 9 is slidably mounted in each air pipe pulley hole 8 respectively, the fixed air pipes 10 can be made of soft materials and cannot be flattened after being wound on a subsequent structure, the fixed air pipes 10 can slide up and down in the air pipe pulley holes 8, the fixed air pipes 10 can rub and drive the two air pipe pulleys 9 on two sides to rotate when sliding up and down, the lower ends of the four fixed air pipes 10 are connected with a square fixed plate 11, the other ends of the four fixed air pipes 10 are wound on a wire take-up device respectively, the wire take-up device is rotated, simultaneous lifting of the four fixed air pipes 10 can be realized, so that the fixed plate 11 is driven to lift, the other end of each fixed air pipe 10 is connected with an air pump 12 respectively, the air pump 12 can inflate the four fixed air pipes 10 to harden the fixed air pipes, and the fixed air pipes 11 are provided, the fixing holes 13 penetrate through the upper end surface and the lower end surface of the fixing plate 10, the diameter of the fixing holes is larger than that of the plumb bob 7, the plumb bob line 6 is positioned in the fixing holes 13, the plumb bob 7 can shake after reaching a required measuring position below the plumb bob 7, at the moment, the fixing plate 11 is lowered to the position of the plumb bob 7, the plumb bob 7 is just positioned in the fixing holes 13, the fixing holes 13 can limit the shaking amplitude of the plumb bob and enable the plumb bob to quickly stand still, because the plumb bob 7 and the fixing plate 11 are both lowered under the action of gravity, the directions below the plumb bob 7 and the fixing plate 11 are the same, the plumb bob 7 is always positioned in the fixing holes 13 after standing, the outer arc surfaces of the plurality of air tube pulleys 9 can be set to be surfaces with larger friction force, after the four fixing air tubes 10 surround the plumb bob 7, no displacement can occur under the action of the friction surfaces, and rubber sleeves, friction with the fixed trachea 10 may also be increased.
In the second embodiment, on the basis of the first embodiment, four corners of the top surface of the fixing plate 11 are respectively provided with a gas pipe joint 14, where the four fixing gas pipes 10 are respectively connected with one gas pipe joint 14, so that the fixing gas pipes 10 are sleeved on the gas pipe joints 14, and then the fixing gas pipes 10 are fastened by using fasteners so as not to fall off on the gas pipe joints 14, or other connection manners are adopted so that the fixing gas pipes 10 are connected with the gas pipe joints 14, four piston holes 15 respectively communicated with the four gas pipe joints 14 two by two are formed on the arc surface of the fixing hole 13, the diameter of one end of the piston hole 15 on the arc surface of the fixing hole 13 is smaller than that of the other end thereof, each piston hole 15 is respectively communicated with one of the gas pipe joints 14 and is also communicated with the corresponding fixing gas pipe 10, piston rods 16 are respectively installed in the four piston holes 15 in a sliding manner, the piston rods 16 can slide in the piston holes 15, the diameter of the front ends of the piston rods 16 is smaller than that of the rear ends of the piston rods 16, sealing gaskets are installed at one ends of the piston rods 16 in the piston holes 15, when the air pump 12 inflates the four fixed air pipes 10, the four piston rods 16 can be respectively pushed to the center of the fixed hole 13 by air in the four piston holes 15, arc-shaped plates 17 are respectively installed at one ends of the four piston rods 16 in the fixed hole 13 and can be connected in a threaded manner, the arc-shaped plates 17 can move along with the piston rods 16, after the drooping ball 7 is static in the fixed hole 13, the four piston rods 16 can be pushed by the air pump 12 to move towards the drooping ball 7, then the four arc-shaped plates 17 can tightly encircle the drooping ball 7, and at this time, however, as the four fixed air tubes 10 gradually harden, the drooping ball 7 will be stationary soon, and a return spring 18 is installed between each piston rod 16 and its corresponding piston hole 15, after the use is finished, the air in the fixed air tubes 10 is released, and after the piston rod 16 loses external force, it is reset under the action of the return spring 18.
In a third embodiment, based on the first embodiment, the drop ball 7 includes a drop ball body 701, the drop ball body 701 is a metal body with a spherical upper part and a conical lower part, the drop ball body 701 can also be made of other materials, the top of the drop ball body 701 is in threaded connection with a drop ball bolt head 702, the drop ball bolt head 702 can be detached from the drop ball body 701, and then the drop ball body 701 can be independently placed, so that the drop ball body 701 does not sway during transportation, the top of the drop ball bolt head 702 is connected with a drop ball line 6, and the drop ball line 6 is tied on the drop ball bolt head 702.
Fourth embodiment, on the basis of the first embodiment, the supporting pulley 19 located above the pulley plate 3 is rotatably installed on the front side of the top surface of the base 101, the supporting pulley 19 can rotate on the base 101, the plumb line 6 passes through the plumb ball pulley hole 4, then winds around the supporting pulley 19 on the take-up device, the four fixed air pipes 10 respectively pass through the corresponding air pipe pulley holes 8, then winds around the supporting pulley 19 and then winds on the take-up device, the plumb ball line 6 and the four fixed air pipes 10 can frictionally drive the supporting pulley 19 to rotate when sliding up and down, and when the pulley plate 3 needs to be located in the bottom of the base 101 for measurement, the supporting pulley 19 can support the plumb ball line 6 and the four fixed air pipes 10 without friction with the base 101.
Fifth embodiment, on the basis of the fourth embodiment, the take-up device includes two drooping ball roller brackets 20 and two air pipe roller brackets 21 fixedly installed at the left and right ends of the top surface of the base 101, where bolt connection may be adopted, or other common connection modes may also be adopted, a drooping ball roller 22 is rotatably installed between the two drooping ball roller brackets 20, two ends of the drooping ball roller 22 are respectively rotatably installed on the two drooping ball roller brackets 20, a drooping ball coil 23 is coaxially installed in the middle of the drooping ball roller 22, the drooping ball coil 23 can rotate synchronously with the drooping ball roller 22, one end of the drooping ball wire 6 is fixed and wound on the drooping ball coil 23, the drooping ball wire 6 can be taken up and taken down by rotating the drooping ball coil 23, two air pipe rollers 24 arranged up and down are rotatably installed between the two air pipe roller brackets 21, two ends of, and one air pipe roller 24 is above the other air pipe roller 24, two air pipe winding cylinders 25 are respectively and coaxially rotatably mounted at two ends of each air pipe roller 24, the air pipe winding cylinders 25 can synchronously rotate along with the corresponding air pipe roller 24, the upper ends of the four fixed air pipes 10 are respectively wound on one air pipe winding cylinder 25, the four air pipe winding cylinders 25 are simultaneously rotated, so that the retraction and the release of the four fixed air pipes 10 can be realized, the left end of the plumb ball roller 22 is coaxially connected with a plumb ball roller handle 26, the plumb ball roller 22 is rotated by rotating the plumb ball handle 26, the left ends of the two air pipe rollers 24 are respectively and coaxially mounted with a synchronous belt pulley 27, the synchronous belt pulleys 27 can synchronously rotate with the corresponding air pipe rollers 24, the two synchronous belt pulleys 27 are mounted with synchronous belts 28, the synchronous belts 28 can synchronously rotate the two synchronous belt pulleys 27, one air pipe roller 24 is coaxially mounted with an air pipe roller handle 29, through rotating trachea roller handle 29, drive a trachea roller 24 and rotate, make two trachea rollers 24 synchronous rotation through hold-in range 28, install fixing device on base 101, when plumbing roller 22 and trachea roller 24 need not rotate, lock it and fix.
Sixth embodiment, on the basis of the fifth embodiment, the counting wheels 30 are coaxially installed at the right ends of the plumbing roller 22 and the air tube roller 24 located at the lower end of the air tube roller support 21, the two counting wheels 30 can synchronously rotate with the plumbing roller 22 and the air tube support roller 21, the vortex-shaped counting grooves 31 are respectively opened on the right end surfaces of the two counting wheels 30, the pointer sliding grooves 32 are respectively penetrated through the lower ends of the plumbing roller support 20 and the air tube roller support 21 at the right end of the top surface of the base 101, the pointers 33 are respectively slidably installed in the two pointer sliding grooves 32 up and down, the two pointers 33 can respectively slide up and down in the corresponding pointer sliding grooves 32, the left ends of the two pointers 33 respectively slide in the corresponding counting grooves 31, when the counting wheel 30 rotates, the pointers 33 can slide up and down in the pointer sliding grooves 32 under the action that one circle of the diameter of the vortex-shaped counting groove 31 is larger than one circle, the right end face of the vertical ball roller 22 and the air pipe roller 24 is provided with scale marks which are respectively positioned at two sides of the two pointer chutes 32, such as: when the plumb-bob coil 23 is paid off, the pointer 33 slides downwards in the pointer chute 32, the plumb-bob coil 23 rotates once, the counting wheel 30 also rotates once, and the pointer 33 can slide corresponding scales under the action of the counting groove 31.
In the seventh embodiment, on the basis of the sixth embodiment, two air tube rollers 24 are hollow and have two open ends, the right ends of four air tube winding cylinders 25 are respectively provided with a circular hole 251 extending in the axial direction, so that the circular hole 251 of each air tube winding cylinder 25 is respectively communicated with the inside of the corresponding air tube roller 24, the two air tube rollers 24 are coaxially provided with air tube installation joints 34 located on the right side of the air tube roller support 21, the two air tube installation joints 34 can respectively rotate synchronously with the corresponding air tube rollers 24, the four fixed air tubes 10 respectively extend through the corresponding circular holes 251 and the inside of the air tube rollers 24 and are connected to the corresponding air tube installation joints 34, the air tube installation joints 34 are rotatably provided with air tube installation plugs 35, the air tube installation plugs 35 are respectively connected to the air pump 12 through the air tubes 36, when the two air tube rollers 24 rotate, the air pipe installation connector 34 rotates, but the air pipe installation plug 35 does not rotate along with the air pipe installation connector 34, but the air pipe installation connector 34 rotates by taking the air pipe installation plug 35 as an axis, so that the phenomenon that four fixed air pipes 10 twist when two air pipe rollers 24 rotate can be avoided.
In an eighth embodiment, on the basis of the seventh embodiment, an air pump 12 is fixedly installed at the rear end of the top surface of the base 101, and may be fixed by bolts or in other fixing manners, an air-blocking valve 37 is installed at an air outlet of the air pump 12, and when the four fixed air pipes 10 are inflated to be hardened and the plumb sphere is stationary, the four fixed air pipes 10 can be closed by closing the air-blocking valve 37, so that the inflated to be hardened state is maintained for a long time, and an air outlet valve 38 is integrally communicated with the air pipe 36, and after use, the four fixed air pipes 10 can be restored to the original state only by opening the air outlet valve 38 and discharging air in the four fixed air pipes 10.
When the hanging ball 7 reaches the required position, the hanging ball roller 22 is fixed and is not paid off, then the air pipe roller handle 29 is rotated to drive the two air pipe rollers 24 to rotate simultaneously after the hanging ball 7 is basically static, the four fixed air pipes 10 are also simultaneously below, the fixing plate 11 also moves downwards along with the hanging ball roller handle 29, at this time, the four fixed air pipes 10 can be paid out according to the scale positions of the pointer 33 on the plumbing ball roller support 20, when the pointer 33 on the air pipe roller support 21 reaches the same scale position as the pointer 33 on the plumbing ball roller support 20, the fixing plate 11 reaches the position of the plumbing ball 7 at this time, the spherical part of the plumbing ball 7 is just in the middle of the fixing plate 11, the air pump 12 is opened at this time to inflate the four fixed air pipes 10, at this time, the four piston rods 16 in the fixing plate 11 push the four arc plates 17 to move towards the center of the fixing hole 13 under the action of air pressure, after the four arc plates 17 embrace the plumbing ball 7, the four fixed air pipes 10 become hard gradually, at this time, the air closing valve 37 is closed, the four fixed air pipes 10 keep closed, at this time, because the four fixed air pipes 10 become hard due to inflation, the external force can be resisted, the plumbing ball 7 cannot shake, the verticality of the vertical ball line 6 can be kept for a long time;
after the use, firstly, the air outlet valve 38 is opened, the air in the four fixed air pipes 10 is discharged, at the moment, the four piston rods 16 are reset under the action of the reset spring 18, the drooping balls 7 are discharged from the four arc-shaped plates 17, then, the fixing devices for locking the drooping ball roller handle 26 and the air pipe roller handle 29 are opened, then, the air pipe roller 24 and the drooping ball roller 22 are sequentially rotated, the four fixed air pipes 10 are respectively wound on the four air pipe winding cylinders 25, the drooping ball wire 6 is wound on the drooping ball coil 23, finally, the drooping ball body 701 and the drooping ball bolt head 702 are detached, the drooping ball body 701 is independently placed, and then, the pulley plate 3 is pushed into the pulley;
if the measurement is to be carried out in the construction city of the shaft, the three legs 102 of the tripod are simply put at the edge of the shaft so that the base 101 is just above the mouth of the shaft, and then the plumb bob 7 and the fixing plate 11 are put down according to the above steps.
Compared with the prior art, the invention has the following advantages:
1. through the matching of the pulley plate and the take-up device, the shaking of the plumb bob can be reduced in the lowering process;
2. when the drooping ball is static, the fixing plate is put down, the drooping ball is encircled by the four arc-shaped plates in the fixing plate, then the four fixing air pipes are inflated to be hardened, and the effect that the drooping ball is basically kept still can be achieved;
3. through the position of the pulley plate of adjustment tripod base below, can realize the straightness's that hangs down measurement to house, foundation ditch and pit shaft.
Claims (7)
1. The utility model provides a mechanical fixing device of plumb bob of building construction, includes the tripod, the tripod comprises base (101) and evenly distributed and rotates three landing leg (102) of installing on base (101) outward flange, its characterized in that, the bottom of base (101) is opened has pulley plate groove (2) that runs through base (1) front side, slidable mounting has pulley plate (3) in pulley plate groove (2), the top surface middle part of pulley plate (3) runs through has square plumb bob pulley hole (4), two plumb bob pulleys (5) are installed in plumb bob pulley hole (4) internal rotation, slidable mounting has plumb bob line (6) that are located between two plumb bob pulleys (5) about in plumb bob pulley hole (4), the lower extreme fixedly connected with plumb bob (7) of plumb bob line (6), the other end of plumb bob line (6) is connected on the take-up device of base (101) top, the pulley plate (3) is provided with four air pipe pulley holes (8) around a plumb ball pulley hole (4) in a penetrating manner on the top surface, each air pipe pulley hole (8) is internally provided with two air pipe pulleys (9) in a rotating manner, each air pipe pulley hole (8) is internally provided with a fixed air pipe (10) positioned between the two air pipe pulleys (9) in a sliding manner, the lower ends of the four fixed air pipes (10) are connected with a fixed plate (11), the other ends of the four fixed air pipes (10) are respectively wound on a take-up device, the other end of each fixed air pipe (10) is respectively connected with an air pump (12), the middle part of the fixed plate (11) is provided with a fixed hole (13), the plumb ball line (6) is positioned in the fixed hole (13), four corners of the top surface of the fixed plate (11) are respectively provided with an air pipe joint (14), and the four fixed air pipes (10) are respectively connected with one air pipe, open on the arc surface of fixed orifices (13) have four respectively with four piston hole (15) of two liang of intercommunications of trachea joint (14), four there are piston rod (16) in piston hole (15) respectively slidable mounting, four arc (17) are installed respectively to the one end that piston rod (16) are located fixed orifices (13), every install reset spring (18) respectively between piston rod (16) and its piston hole (15) that correspond.
2. Mechanical fixing device of a plumb bob for civil engineering according to claim 1, wherein the plumb bob (7) comprises a plumb bob body (701), the top of the plumb bob body (701) is connected with a plumb bob head (702) by screw thread, and the top of the plumb bob head (702) is connected with a plumb bob line (6).
3. The mechanical fixing device for the plumb bob in the civil engineering according to claim 1, wherein the supporting pulley (19) positioned above the pulley plate (3) is rotatably installed at the front side of the top surface of the base (101), and the plumb bob wire (6) passes through the plumb bob pulley hole (4), then winds around the supporting pulley (19) and then winds on the take-up device; the four fixed air pipes (10) respectively pass through the corresponding air pipe pulley holes (8) and then are wound on the take-up device after bypassing the supporting pulleys (19).
4. The mechanical fixing device for the drooping ball in the civil engineering construction according to claim 3, wherein the take-up device comprises two drooping ball roller brackets (20) and two air pipe roller brackets (21) which are fixedly arranged at the left end and the right end of the top surface of the base (101), a drooping ball roller (22) is rotatably arranged between the two drooping ball roller brackets (20), a drooping ball coil (23) is coaxially arranged in the middle of the drooping ball roller (22), one end of the drooping ball wire (6) is fixed and wound on the drooping ball coil (23), two air pipe rollers (24) which are vertically arranged are rotatably arranged between the two air pipe roller brackets (21), two air pipe winding barrels (25) are respectively and coaxially rotatably arranged at the two ends of each air pipe roller (24), the upper ends of the four fixed air pipes (10) are respectively wound on one air pipe winding barrel (25), and a drooping ball roller handle (26) is coaxially connected at the left end of the droopin, two the left end coaxial arrangement of trachea roller (24) has synchronous pulley (27), two install hold-in range (28) on synchronous pulley (27), one of them trachea roller handle (29) are installed to the left end coaxial arrangement of trachea roller (24).
5. The mechanical fixing device for the drooping ball in the civil engineering construction is characterized in that the right ends of the drooping ball roller (22) and the air pipe roller (24) positioned at the lower end of the air pipe roller support (21) are respectively and coaxially provided with a counting wheel (30), the right end surfaces of the two counting wheels (30) are respectively provided with a vortex-shaped counting groove (31), the lower ends of the drooping ball roller support (20) and the air pipe roller support (21) at the right end of the top surface of the base (101) are respectively provided with a pointer sliding groove (32) in a penetrating manner, the two pointer sliding grooves (32) are respectively internally provided with a pointer (33) in a vertically sliding manner, and the left ends of the two pointers (33) are respectively arranged in the corresponding counting grooves (31) in a sliding manner.
6. The mechanical fixing device for the hanging ball in the civil engineering according to claim 5, wherein the two air pipe rollers (24) are hollow and open at both ends, the right ends of the four air pipe winding cylinders (25) are respectively penetrated with a circular hole (251) towards the axial center direction, circular holes (251) on each air pipe winding cylinder (25) are respectively communicated with the interiors of the corresponding air pipe rollers (24), air pipe installation joints (34) positioned on the right side of the air pipe roller bracket (21) are coaxially installed on the two air pipe rollers (24), the four fixed air pipes (10) respectively penetrate through the corresponding circular holes (251) and the interiors of the air pipe rollers (24) to be connected onto the corresponding air pipe installation joints (34), an air pipe installation plug (35) is rotatably installed in the air pipe installation connector (34), and the air pipe installation plugs (35) are connected with the air pump (12) through air pipes (36).
7. The mechanical fixing device for the drooping ball in the civil engineering as claimed in claim 6, wherein the air pump (12) is fixedly installed at the rear end of the top surface of the base (101), the air outlet of the air pump (12) is provided with the air closing valve (37), and the air pipe (36) is integrally communicated with the air outlet valve (38).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911127026.1A CN110778134B (en) | 2019-11-18 | 2019-11-18 | Mechanical fixing device for plumb ball in civil construction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911127026.1A CN110778134B (en) | 2019-11-18 | 2019-11-18 | Mechanical fixing device for plumb ball in civil construction |
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| CN110778134B true CN110778134B (en) | 2021-04-09 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210375147U (en) * | 2019-09-06 | 2020-04-21 | 崔云超 | Tripod for geological exploration |
| CN211601815U (en) * | 2019-11-12 | 2020-09-29 | 任强 | Mining engineering quality detector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2992442B2 (en) * | 1994-05-27 | 1999-12-20 | 正男 鈴木 | Boundary pile burial aid |
| JPH1183485A (en) * | 1997-09-09 | 1999-03-26 | Moriyama Giken:Kk | Prism tripod |
| CN203869694U (en) * | 2014-06-13 | 2014-10-08 | 东北林业大学 | Wind-resistant plumbing device for construction |
| CN208308089U (en) * | 2018-03-27 | 2019-01-01 | 无锡同益环保科技有限公司 | A kind of variable block attribute metallic carrier winding machine |
| CN209085626U (en) * | 2018-09-25 | 2019-07-09 | 深圳市鹏升建设有限公司 | A kind of house construction engineering verticality measurement device |
| CN110424752A (en) * | 2019-07-31 | 2019-11-08 | 覃英东 | A kind of cross-staff laid bricks |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210375147U (en) * | 2019-09-06 | 2020-04-21 | 崔云超 | Tripod for geological exploration |
| CN211601815U (en) * | 2019-11-12 | 2020-09-29 | 任强 | Mining engineering quality detector |
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