CN214666883U - Prefabricated stand template straightness detection device that hangs down of assembled bridge - Google Patents

Abstract

The utility model discloses an assembled bridge prefabrication stand template straightness detection device that hangs down, including hard shoulder, fixed foot, distancer clamping platform, graduated disk, elasticity screw, the hard shoulder includes bottom basis mound, upper portion observation platform, two pre-buried reinforcing bars that wear to establish inside the hard shoulder of pre-fixing, the fixed foot sets up at the observation platform top perpendicularly, two fixed feet are respectively with two pre-buried reinforcing bar fixed connection, distancer clamping platform sets up between two fixed feet, both sides are connected with fixed foot fastening through the elasticity screw, distancer clamping platform inside is provided with the distancer, distancer clamping platform can change the every single move angle to measure the horizontal distance between distancer and the prefabrication stand template, and the slant range of distancer to prefabrication stand template top; the plate surface of the index plate is fixedly connected with the outer side of one of the fixing pins so as to display the pitching angle of the platform clamped by the range finder. The device is easy and convenient to operate, and can quickly measure the verticality of the prefabricated stand column templates with various heights.

Description

Prefabricated stand template straightness detection device that hangs down of assembled bridge

Technical Field

The utility model relates to an assembled bridge construction technical field, concretely relates to assembled bridge prefabrication stand template straightness detection device that hangs down.

Background

With the progress of society, the assembled bridge gradually becomes the development trend of bridge industry in China. In the construction of prefabricated stand columns of assembled bridges, the prefabricated stand columns are internally provided with embedded steel bars, the prefabricated stand column templates are arranged on the outer sides of the prefabricated stand columns, and concrete is poured between the templates and the embedded steel bars, so that the perpendicularity of the prefabricated stand column templates determines the perpendicularity of the stand columns. The conventional perpendicularity measuring method for the prefabricated stand column template needs professional measuring personnel to erect a total station instrument and measure the total station instrument by a coordinate method or a prism-free method. The method has high requirements on the professional performance of measuring personnel and the precision of the total station, is relatively complex in operation process and consumes relatively much time.

The device for measuring the perpendicularity of the prefabricated stand column is simple and convenient to operate, and accurate measurement is needed, non-measuring personnel can quickly operate, the measuring time can be greatly shortened, and the cost of labor and measuring instruments is saved.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the prior art, the utility model aims to provide a prefabricated stand template straightness detection device that hangs down can solve original straightness detection that hangs down time measuring, and operation process is wasted time and energy, to the higher technical problem of measurement personnel professional level and instrument required precision, can the convenient and fast inspection stand template hang down straightness.

In order to achieve the above purpose, the utility model adopts the technical proposal that: the utility model provides a prefabricated stand template straightness's that hangs down detection device, includes: the device comprises a fixed pier, fixed feet, a distance meter clamping platform, an index plate and a tightening screw;

the fixed pier is used for placing the range finder clamping platform and the dividing plate and comprises a foundation pier buried underground, an observation platform arranged on the ground, two embedded steel bars and a plurality of steel plates, the lower part of the observation platform is fixedly connected with the foundation pier, the embedded steel bars penetrate through the foundation pier and the observation platform simultaneously and penetrate out of the top of the observation platform, and the plurality of steel plates are arranged between the observation platform and the embedded steel bars;

the two fixing pins are respectively fixedly connected with the two embedded steel bars and used for connecting the range finder clamping platform and the dividing plate;

the distance measuring instrument clamping platform is arranged between the two fixing feet, two sides of the distance measuring instrument clamping platform are fixedly connected with the fixing feet through the elastic screws, a distance measuring instrument is clamped in the distance measuring instrument clamping platform, and the distance measuring instrument clamping platform can change the pitching angle so as to measure the horizontal distance between the distance measuring instrument and the prefabricated stand column template and the inclined distance from the distance measuring instrument to the top of the prefabricated stand column template;

the index plate is fixedly connected with the outer side of one of the fixing legs so as to display the pitching angle of the platform clamped by the range finder;

the elasticity screw can adjust and range finder presss from both sides the connection elasticity of putting the platform in order to adjust the range finder and press from both sides the every single move angle that the platform was put in.

The device easy operation only needs according to prefabricated stand template height and according to graduated disk scale value adjustment distancer every single move angle, press the button of distancer can, then calculate the horizontal distance of prefabricated stand template top point and distancer, and then reachs the offset of prefabricated stand template top point and prefabricated stand template bottom to this detection of hanging down, practices thrift manpower and materials.

Furthermore, the range finder clamping platform comprises a clamping box, a clamping chassis and clamping arms, the clamping chassis is fixedly arranged inside the clamping box, the side portion of the clamping box and the fixing feet can be fixedly connected through elastic screws, a sliding groove is formed inside the clamping chassis, the clamping arms are arranged in the sliding groove and extend out of two sides of the clamping chassis, and the clamping arms can stretch along the sliding groove to clamp the range finder.

This structure is used for the centre gripping distancer and can take off the distancer, along with putting along with using, the operation of being convenient for is installed and dismantled.

Further, the clamping chassis comprises an upper chassis and a lower chassis, the upper chassis and the lower chassis are buckled and fixedly connected, a first sliding groove is formed in the middle of the upper chassis along the width direction, a second sliding groove is formed in the middle of the lower chassis along the width direction, the first sliding groove and the second sliding groove are buckled and butted, a clamping arm is arranged inside the first sliding groove and the second sliding groove, and the clamping arm can extend or retract towards two sides of the clamping chassis along the sliding grooves.

The chassis lock is on chassis under should setting up, can hide the centre gripping arm is inside, and is not only pleasing to the eye, can play the guard action to centre gripping arm inner structure moreover, prevents that it from damaging to lead to flexible inefficacy, and the setting up of first spout and second spout can make chassis and chassis thickness down less to the intensity on chassis about can guaranteeing.

Furthermore, the clamping arm comprises a telescopic plate, a baffle, a first spring and a stop block, the telescopic plate, the baffle and the stop block are symmetrically arranged, the stop block is fixedly arranged in the chute, the telescopic plate is arranged in the chute along the length direction of the chute, the outer end part of the stop block is abutted to the inner end part of the telescopic plate, the outer end part of the telescopic plate is vertically provided with the baffle, and the two ends of the first spring respectively penetrate through the two stop blocks and are fixedly connected with the inner end parts of the telescopic plate.

This set up baffle and expansion plate concertina movement, stretch first spring, increase the distance between two baffles, be convenient for place the distancer, loosen the baffle, the baffle retracts with the expansion plate under the spring action of first spring together, and baffle butt distancer both sides carry out the centre gripping to it, and the dog can prevent to squint about the expansion plate.

Further, the centre gripping arm still includes supplementary centre gripping arm and fixed block, the fixed block with baffle laminating and fixed connection, the fixed block with be provided with the slide along the direction of perpendicular expansion plate between the baffle, supplementary centre gripping arm sets up in the slide to extend out to the upper portion, supplementary centre gripping arm can be followed the slide stretches out or retracts back.

This supplementary centre gripping arm that sets up can carry out the butt to the distancer upper surface, and displacement about the restriction distancer can make the distancer centre gripping more firm.

Further, supplementary centre gripping arm includes flexible arm and the second spring that sets up along slide length direction, second spring one end with expansion plate tip fixed connection, the other end with flexible arm tip fixed connection.

The second spring is arranged to exert force accumulation on the telescopic arm, and the telescopic arm can clamp the upper surface of the range finder under the elastic force action of the second spring.

Furthermore, the clamping box comprises an outer frame and a bottom plate, the outer frame is vertically and fixedly arranged on the bottom plate, the clamping chassis is fixedly connected with the bottom plate, and two sides of the outer frame are respectively and fixedly connected with the two fixing legs through elastic screws.

The arrangement structure is simple and reasonable, the connection between the clamping chassis and the range finder is not affected when the outer frame is fastened with the fixed feet, and the installation and the adjustment of the whole device are convenient.

Further, the elasticity screw includes internal thread steel pipe, nut and bolt, and the internal thread steel pipe of one of them elasticity screw wears to establish in proper order inside outer frame, the fixed foot, one end and nut fixed connection, the other end with the bolt spiro union, the internal thread steel pipe of another elasticity screw wears to establish in proper order the inside of outer frame, fixed foot and graduated disk, one end and nut fixed connection, the other end with the bolt spiro union.

The connection between the outer frame, the fixing legs and the dividing plate can be more tightly fixed through the arrangement, the heads of the nuts and the bolts are convenient for hands to hold and apply force, and the device is simple and easy to implement.

Furthermore, the graduated disk comprises a connecting screw, a reading and a scale mark, the disk surface of the graduated disk is fixedly connected to the outer side of one of the fixing feet through the connecting screw, the center of the disk surface of the graduated disk is fixedly connected with the fixing feet and the outer frame through elastic screws, and the reading and the scale mark are correspondingly arranged on the circumferential edge of the graduated disk. After the dividing plate is fixed, the dividing plate can be kept still when the pitching angle of the outer frame is adjusted, so that the accuracy of reading is guaranteed.

Furthermore, a centering groove is formed in the surface of the outer frame in the length direction, penetrates through the center of the dividing plate, can be aligned with one of the graduation lines on the dividing plate, and is used for indicating the graduation lines of the dividing plate. Because the dividing plate is circular, the centering groove can be ensured to correspond to the graduation lines of the dividing plate at any angle.

Compared with the prior art, an assembled bridge prefabrication stand template straightness detection device that hangs down's advantage lies in:

(1) the utility model discloses simple structure, the device simple operation only needs to place the distancer in place, and whether the accessible distancer measurement slope judges stand template straightness that hangs down is qualified, and the measuring accuracy is high.

(2) The utility model discloses non-measurement personnel can get on hand fast, can reduce measuring time greatly, save manual work and measuring instrument cost.

Drawings

FIG. 1 is a left side view of the anchor block of the present invention;

FIG. 2 is a front view of the anchor block of the present invention;

FIG. 3 is a left side view of the device for detecting the perpendicularity of the prefabricated column formwork of the present invention;

FIG. 4 is an enlarged view of the point A in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the connection between the fixing foot and the clamping platform of the distance measuring device of the present invention;

FIG. 6 is a schematic view of the structure of the adjustable screw of the present invention;

FIG. 7 is a top view of the connecting structure of the fixed pier, the index plate and the distance measuring device clamping platform of the present invention;

fig. 8 is a schematic view of the connection left side view of the dividing plate and the distance measuring device clamping platform of the present invention;

fig. 9 is a schematic structural view of the outer frame of the range finder clamping platform of the present invention;

FIG. 10 is a schematic view of the clamping platform structure of the present invention;

FIG. 11 is a schematic view of the connection between the distance measuring device and the clamping platform of the present invention;

fig. 12 is a schematic view of the structure of the inverted L-shaped telescopic rod of the present invention;

fig. 13 is a schematic view of a sliding groove on the telescopic rod of the present invention;

FIG. 14 is a schematic diagram of the present invention for measuring the verticality of the prefabricated column formwork;

FIG. 15 is an enlarged view of the section B in FIG. 14 according to the present invention;

fig. 16 is the utility model discloses measure the straightness's that hangs down of a plurality of directions of prefabricated stand template schematic diagram.

Reference numerals:

1. fixing the pier; 11. embedding reinforcing steel bars in advance; 12. an observation platform; 13. a first steel plate; 14. a second steel plate; 16. foundation piers; 2. a fixing leg; 21. a base plate; 3. tightening and loosening screws; 31. an internal thread steel pipe; 32. a nut; 33. a bolt; 4. an index plate; 41. a connecting screw; 42. reading; 43. scale lines; 5. the distance measuring instrument clamps the platform; 50. clamping a box; 501. an outer frame; 502. a base plate; 503. centering the groove; 504. a first connection hole; 51. a range finder; 52. clamping the chassis; 53. a clamp arm; 530. a butting table; 531. a first spring; 532. a retractable plate; 533. an anti-skid plate; 534. a baffle plate; 535. a stopper; 536. a fixed block; 537. a fourth connection hole; 538. a fifth connecting hole; 539. a slideway; 54. an auxiliary clamp arm; 541. a telescopic arm; 542. a second spring; 55. an upper chassis; 551. a first chute; 552. a second connection hole; 56. a lower chassis; 561. a second chute; 562. a third connection hole; 6. and (5) prefabricating the column template.

Specific mode of use

The present invention is further described in detail below with reference to the accompanying drawings and examples:

in one embodiment, a prefabricated stand template straightness's detection device hangs down includes: the device comprises a fixed pier 1, fixed feet 2, a distance meter clamping platform 5, an index plate 4 and a tightening screw 3;

as shown in fig. 1 and 2, the fixed pier 1 comprises a foundation pier 16, an observation platform 12, embedded steel bars 11, a first steel plate 13 and a second steel plate 14, the foundation pier 16 is fixedly buried under the ground, the observation platform 12 is arranged on the ground, the lower part of the observation platform 12 is fixedly connected with the foundation pier 16, the foundation pier 16 is of a brick-masonry structure, the embedded steel bars 11 penetrate through the foundation pier 16 from bottom to top and penetrate out of the top of the observation platform 12, concrete is poured into the foundation pier 16 to fix the embedded steel bars 11, the concrete is continuously poured upwards to form the observation platform 12, a plurality of steel plates are arranged between the observation platform 12 and the embedded steel bars 11, the plurality of steel plates are connected with the embedded steel bars 11 in a welding mode, the arrangement can increase the contact area between the embedded steel bars 11 and the observation platform 12, so as to increase the connection strength between the embedded steel bars 11 and the observation platform 12, the observation platform 12 is used for placing the distance measuring instrument to clamp the platform 5 and the graduated disk 4, so that the top of the embedded steel bars 11 is stressed, the stress of the steel plates can be dispersed by welding the steel plates, so that the deformation of the embedded steel bars 11 is prevented;

preferably, the number of the embedded steel bars 11 is two, the diameter of the embedded steel bars is phi 25cm, a first steel plate 13 is welded on each embedded steel bar 11 close to the lower portion of the observation platform 12, a second steel plate 14 is welded on each embedded steel bar 11 close to the upper portion of the observation platform 12, the first steel plate 13 and the second steel plate 14 are respectively welded on the inner side and the outer side of each embedded steel bar 11, and the connection strength and the stability of the embedded steel bars 11 are greatly increased.

Further, as shown in fig. 3, fig. 4 and fig. 5, the fixing legs 2 are vertically arranged at the top of the observation platform 12, and are fixedly connected to the embedded steel bars 11, the embedded steel bars 11 are exposed out of the top of the observation platform 12, the fixing legs 2 are fixedly connected to the fixing legs 2, the connecting manner is welding, and the fixing legs are made of stainless steel plates, preferably, the top surface of the observation platform 12 is horizontal, the verticality of the fixing legs 2 is guaranteed during welding, and the accuracy of the measurement result can be guaranteed, two fixing legs 2 are correspondingly arranged, the distance meter clamping platform 5 is fixedly connected between the two fixing legs 2, the distance meter clamping platform 5 is fixedly connected to the fixing legs 2 through the elastic screws 3, the index plate 4 is fixedly arranged on the outer side of one of the fixing legs 2, the backing plate 21 is further arranged between the distance meter clamping platform 5 and the fixing legs 2, the backing plate 21 is a rubber plate, and is adhered to the inner sides of the fixing legs 2 through an adhesive, and is used for increasing the friction force when the elastic screws 3 are adjusted and protecting the frame and the index plate 4 of the distance meter clamping platform 5.

As shown in fig. 6, the turnbuckle 3 includes an internally threaded steel pipe 31, a nut 32 and a bolt 33, the internally threaded steel pipe 31 passes through the frame of the range finder clamping platform 5 and the fixing leg 2, one end of the internally threaded steel pipe 31 is fixedly connected with the nut 32, the other end of the internally threaded steel pipe is screwed with the bolt 33, the nut 32 is welded with the internally threaded steel pipe 31, the bolt 33 has a head and a rod, the rod penetrates into the internally threaded steel pipe 31 and is screwed, one of the head of the bolt 33 and the nut 32 abuts against the inner surface of the frame of the range finder clamping platform 5, and the other abuts against the surface of the fixing leg 2; the outer side of the other fixing foot 2 is fixedly provided with an index plate 4, the internal thread steel pipe 31 penetrates through the frame of the range finder clamping platform 5, the fixing foot 2 and the index plate 4, one of the head of the bolt 33 and the nut 32 abuts against the inner surface of the frame of the range finder clamping platform 5, the other one abuts against the surface of the index plate 4, and the head of the bolt 33 and the nut 32 are mainly convenient for hand operation.

Further, as shown in fig. 7 to 13, the range finder clamping platform 5 includes a clamping box 50, a clamping base plate 52, and a clamping arm 53, the clamping base plate 52 is fixedly disposed inside the clamping box 50, the side portion of the clamping box is fastened to the fixing leg 2 through the elastic screw 3, a sliding slot is disposed inside the clamping base plate 52, the clamping arm 53 is disposed inside the sliding slot and extends out to both sides of the clamping base plate 52, and the clamping arm 53 can extend and retract along the sliding slot to clamp the range finder 51;

the clamping box 50 comprises an outer frame 501 and a bottom plate 502, the outer frame 501 is a square frame and is vertically and fixedly arranged on the bottom plate 502, the connection mode is preferably welding, the connection position of the outer frame 501 and the bottom plate 502 and the edges of each part are polished smoothly to avoid hurting hands, a plurality of first connection holes 504 are uniformly distributed on the bottom plate 502 and are used for being fixedly connected with the clamping chassis 52 through screws, the outer frame 501 is connected with the inner sides of fixing legs 2 through elastic screws 3, a centering groove 503 is arranged on the outer side surface of the outer frame 501, and the centering groove 503 is linearly arranged along the length direction of the outer frame 501 and is used for indicating the scales of an index plate 4; after the elastic screw 3 is loosened, the outer frame 501 can rotate around the elastic screw 3 to finely adjust the pitch angle, the elastic screw 3 is fastened after the adjustment is completed, and the pitch angle can be indicated by aligning the centering groove 503 with the index plate 4;

the dividing plate 4 comprises connecting screws 41, readings 42 and scale marks 43, the plate surface of the dividing plate 4 is fixed on the outer side of the fixing feet 2 through the connecting screws 41, the connecting screws 41 are arranged on the upper portion and the lower portion of the plate surface of the dividing plate 4, so that the connection is more tight, the dividing plate 4 is prevented from rotating when in use and the measurement precision is not affected, the readings 42 and the scale marks 43 are correspondingly arranged on the circumferential edge of the surface of the dividing plate 4, the 0 scale mark of the dividing plate is ensured to be horizontal and the 90 scale mark of the dividing plate is ensured to be vertical during fixing, the centering groove 503 on the outer side surface of the outer frame 501 can be aligned with one of the scale marks 43 of the dividing plate 4, the center of the dividing plate 4 is arranged on the fixing feet 2 and the outer frame 501 through the elastic screw 3, the centering groove 503 penetrates through the center of the dividing plate 4, and the centering groove 503 of the distance meter clamping platform 5 is ensured to be aligned with one of the scale marks 43 of the dividing plate 4 during pitching adjustment;

the clamping base plate 52 comprises an upper base plate 55 and a lower base plate 56, the upper base plate 55 and the lower base plate 56 are buckled and fixedly connected, a sliding groove is arranged between the upper base plate 55 and the lower base plate 56, a clamping arm 53 is arranged in the sliding groove, the clamping arm 53 can extend out or retract to two sides of the clamping base plate 52 along the sliding groove, the upper base plate 55 is provided with two first sliding grooves 551 at intervals along the width direction, the periphery of the upper base plate 55 is uniformly provided with a plurality of second connecting holes 552, the lower base plate 56 is provided with two second sliding grooves 561 at intervals along the width direction, the periphery of the lower base plate is uniformly provided with a plurality of third connecting holes 562, the first sliding grooves 551 and the second sliding grooves 561 are correspondingly arranged to form a complete sliding groove, the clamping arm 53 is accommodated inside, and the first connecting holes 504, the second connecting holes 552 and the third connecting holes 562 are aligned and are fastened and connected through screws; this arrangement enables the upper chassis 55 to cover the clamp arms 53, preventing the clamp arms 53 from being damaged; the two first sliding grooves 551 are arranged at a position about one third away from the two ends of the upper chassis 55, the two corresponding second sliding grooves 561 are arranged at a position about one third away from the two ends of the lower chassis 56, so that the stability of the distance measuring instrument 51 can be guaranteed, the thickness of the complete sliding grooves formed after the first sliding grooves 551 and the second sliding grooves 561 are buckled is slightly larger than that of the clamping arms 53, the width of the complete sliding grooves formed after the first sliding grooves 551 and the second sliding grooves 561 are buckled is slightly larger than that of the clamping arms 53, and the clamping arms 53 can be guaranteed to be smooth and not clamped when being stretched;

the clamping arms 53 are U-shaped, are provided with two groups and correspond to the sliding grooves, so that the distance measuring instrument 51 can be clamped more stably; the clamping arm 53 comprises an expansion plate 532, a baffle plate 534, a first spring 531 and a baffle block 535, wherein the expansion plate 532, the baffle plate 534 and the baffle block 535 are arranged symmetrically, the baffle block 535 is fixedly arranged in the chute close to the middle part, the expansion plate 532 is arranged in the chute along the length direction of the chute, the outer end part of the baffle block 535 is abutted with the inner end part of the expansion plate 532, the baffle plate 534 is vertically arranged at the outer end part of the expansion plate 532, the two ends of the first spring 531 are respectively fixedly connected with the inner end parts of the two expansion plates 532 after penetrating through the two baffle blocks 535, a plurality of groups of first springs 531 are arranged and are in a state of stretching and not generating plastic deformation to provide abutting elastic force for the expansion plate 532 and the baffle plate 534, the baffle block 535 can ensure that the expansion plate 532 does not deviate towards a certain side, the preferable expansion plate 532 and the baffle plate 534 are in an integral structure, the two baffle plates 534 can clamp the two sides of the range finder 51 to prevent the range finder 51 from moving left and right, an anti-slip plate 533 is adhered to the contact position of the inner side of the baffle 534 and the range finder 51, and the anti-slip plate 533 is a rubber plate and can provide enough friction force for clamping the range finder 51;

the clamping arm 53 further comprises an auxiliary clamping arm 54 and a fixing block 536, a plurality of fourth connecting holes 537 are uniformly distributed around the fixing block 536, a plurality of fifth connecting holes 538 are uniformly distributed around the baffle 534, the fixing block 536 is attached to the baffle 534, the fourth connecting holes 537 and the fifth connecting holes 538 are aligned and fixedly connected through screws, a sliding way 539 is arranged between the fixing block 536 and the baffle 534 along a direction perpendicular to the telescopic plate 532, preferably, the sliding way 539 is arranged on the outer surface of the baffle 534, a convex abutting table 530 is arranged in the sliding way 539, the auxiliary clamping arm 54 is arranged in the sliding way 539 and extends out to the upper part, the lower part of the auxiliary clamping arm 54 abuts against the abutting table 530 to limit the abutting table, the auxiliary clamping arm 54 comprises a telescopic arm 541 and a second spring 542 which are arranged along the length direction of the sliding way 539, one end of the second spring 542 is fixedly connected with the end part of the telescopic plate 532, and the other end part of the telescopic arm 541 is fixedly connected with the end part of the telescopic arm 541, telescopic arm 541 is the L-shaped plate, and long limit tip and butt table 530 butt, the minor face are used for centre gripping distancer 51 upper surface, and second spring 542 is provided with the multiunit, is in tensile and does not produce plastic deformation's state, can provide butt elasticity for telescopic arm 541, and telescopic arm 541 can follow slide 539 stretches out or retracts back, and fixed block 536 can protect supplementary centre gripping arm 54 not damaged, and supplementary centre gripping arm 54 is used for centre gripping distancer 51 up end, prevents that distancer 51 from reciprocating.

The operation steps are as follows:

(1) when the device is used, the clamping arm 53 is stretched towards two sides, the distance measuring instrument 51 is placed, the clamping arm 53 and the auxiliary clamping arm 54 are finely adjusted, and the distance measuring instrument 51 is stably clamped on the distance measuring instrument clamping platform 5;

(2) slightly loosening the elastic screws 3 to enable the centering grooves 503 on the range finder clamping platform 5 to align with the 0 scale mark of the dividing disc 4 and then fastening, and pressing corresponding buttons of the range finder 51 to measure to obtain the horizontal distance H1 from the range finder 51 to the prefabricated upright column template 6;

(3) as shown in fig. 15, slightly loosening the tightening screw 3 to align the distance meter 51 with the top of the prefabricated column formwork 6, finely adjusting the distance meter clamping platform 5, aligning the centering groove 503 with a certain graduation line 43 of the dividing disc 4, then fastening, reading the reading 42 of the dividing disc 4 corresponding to the angle a, and pressing the corresponding button of the distance meter 51 to measure the inclined distance S from the distance meter 51 to the top of the prefabricated column formwork 6. According to the right triangle principle: h2 is obtained by the calculated value H2 of the horizontal distance from the distance meter 51 to the prefabricated upright post template 6 being Scosa;

(4) calculating the difference Δ H between the measured H1 and the calculated H2, Δ H being H1-H2; if the delta H is equal to 0, the prefabricated column template 6 is vertical, and the delta H is greater than 0 or the delta H is less than 0, so that the top of the prefabricated column template deviates;

(5) as shown in fig. 16, the prefabricated vertical column formwork perpendicularity detection device is disposed in two mutually perpendicular directions of the prefabricated vertical column formwork 6, the steps (1) to (4) are repeated, the difference Δ H and Δ H' in the two perpendicular directions is obtained, and the formula Δ HD √ ([ Δ H √ is √ according to the equation]²+[ΔH′]²) And calculating the offset of the top of the stand column template so as to judge whether the verticality of the prefabricated stand column template 6 reaches the standard, wherein if the value of the delta HD is within the required deviation range of the design drawing, the verticality of the prefabricated stand column template 6 reaches the standard, and if the value of the delta HD is beyond the required deviation range of the design drawing, the verticality does not reach the standard.

This straightness detection device that hangs down easy operation has avoided using measuring instruments such as total powerstation to need debugging and repeated measurement many times, and not only requirement is higher to the survey crew, measures loaded down with trivial details, influences the precision, and the device only need according to prefabricated stand template height adjustment distancer every single move angle, press the range finding button can, easy operation practices thrift manpower and materials.

In the present application, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise; the terms "upper" and "lower" refer to the orientation of the device when it is actually placed, and the orientation of the disassembled parts is understood as the actual placement, and the terms "inner" and "outer" refer to symmetrical structures, with the position closer to the center side being "inner" and the position farther from the center side being "outer". The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Claims (10)

1. The utility model provides an assembled bridge prefabrication stand template straightness detection device that hangs down which characterized in that includes: the device comprises a fixed pier (1), fixed feet (2), a distance meter clamping platform (5), an index plate (4) and a tightening screw (3);

the fixed pier (1) is used for placing the distance meter clamping platform (5) and the dividing plate (4), and comprises a foundation pier (16) buried underground, an observation platform (12) arranged on the ground, two embedded steel bars (11) and a plurality of steel plates, wherein the lower part of the observation platform (12) is fixedly connected with the foundation pier (16), the embedded steel bars (11) penetrate through the foundation pier (16) and the observation platform (12) at the same time and penetrate out of the top of the observation platform (12), and the plurality of steel plates are arranged between the observation platform (12) and the embedded steel bars (11);

the fixed feet (2) are vertically arranged at the top of the observation platform (12), and the two fixed feet (2) are respectively and fixedly connected with the two embedded steel bars (11) and used for connecting the distance meter clamping platform (5) and the index plate (4);

the distance meter clamping platform (5) is arranged between the two fixing feet (2), two sides of the distance meter clamping platform are fixedly connected with the fixing feet (2) through the elastic screws (3), a distance meter (51) is clamped in the distance meter clamping platform (5), and the distance meter clamping platform (5) can change a pitching angle so as to measure a horizontal distance between the distance meter (51) and the prefabricated column template (6) and an inclined distance from the distance meter (51) to the top of the prefabricated column template (6);

the plate surface of the index plate (4) is fixedly connected with the outer side of one of the fixing pins (2) so as to display the pitching angle of the distance meter clamping platform (5);

the connection elasticity that platform (5) were put between with the distancer can be adjusted in elasticity screw (3) to the every single move angle that platform (5) were put between to the convenient adjustment distancer.

2. The prefabricated column formwork perpendicularity detection device as claimed in claim 1, wherein: platform (5) is put between range finder includes and puts between box (50), presss from both sides and puts between chassis (52), centre gripping arm (53), it puts between and puts between chassis (52) to put between the fixed being provided with of box (50) inside, press from both sides between box (50) lateral part with fixed foot (2) can fastening connection through elasticity screw (3), it is provided with the spout to put between the inside of chassis (52) to put between, centre gripping arm (53) set up in the spout and to pressing from both sides of putting between chassis (52) and extend out, centre gripping arm (53) can be followed the spout is flexible with centre gripping distancer (51).

3. The prefabricated column formwork perpendicularity detection device as claimed in claim 2, wherein: the clamping chassis (52) comprises an upper chassis (55) and a lower chassis (56), the upper chassis (55) and the lower chassis (56) are buckled and fixedly connected, a first sliding groove (551) is formed in the middle of the upper chassis (55) along the width direction, a second sliding groove (561) is formed in the middle of the lower chassis (56) along the width direction, and the first sliding groove (551) and the second sliding groove (561) are buckled, butted and internally provided with clamping arms (53).

4. The prefabricated column formwork perpendicularity detection device as claimed in claim 3, wherein: the clamping arm (53) comprises two telescopic plates (532), two baffle plates (534), a first spring (531) and two stoppers (535), the two telescopic plates (532), the two baffle plates (534) and the two stoppers (535) are symmetrically arranged, the stoppers (535) are fixedly arranged in the sliding chute, the telescopic plates (532) are arranged in the sliding chute along the length direction of the sliding chute, the outer end parts of the stoppers (535) are abutted to the inner end parts of the telescopic plates (532), the baffle plates (534) are vertically arranged at the outer end parts of the telescopic plates (532), and two ends of the first spring (531) respectively penetrate through the two stoppers (535) to be fixedly connected with the inner end parts of the two telescopic plates (532).

5. The prefabricated column formwork perpendicularity detection device as claimed in claim 4, wherein: the clamping arm (53) further comprises an auxiliary clamping arm (54) and a fixing block (536), the fixing block (536) is attached to the baffle plate (534) and fixedly connected with the baffle plate, a sliding way (539) is arranged between the fixing block (536) and the baffle plate (534) along the direction perpendicular to the expansion plate (532), the auxiliary clamping arm (54) is arranged in the sliding way (539) and extends out towards the upper portion, and the auxiliary clamping arm (54) can extend out or retract back along the sliding way (539).

6. The prefabricated column formwork perpendicularity detection device as claimed in claim 5, wherein: supplementary centre gripping arm (54) include along flexible arm (541) and second spring (542) that slide length direction set up, second spring (542) one end with expansion plate (532) tip fixed connection, the other end with flexible arm (541) tip fixed connection.

7. The prefabricated column formwork perpendicularity detection device as claimed in claim 2, wherein: the clamping box (50) comprises an outer frame (501) and a bottom plate (502), the outer frame (501) is vertically fixed on the bottom plate (502), the clamping chassis (52) is fixedly connected with the bottom plate (502), and two sides of the outer frame (501) are fixedly connected with the fixing feet (2) through elastic screws (3).

8. The prefabricated column formwork perpendicularity detection device as claimed in claim 7, wherein: elasticity screw (3) include internal thread steel pipe (31), nut (32) and bolt (33), and the internal thread steel pipe (31) of one of them elasticity screw (3) are worn to establish in proper order inside outer frame (501), fixed foot (2), one end and nut (32) fixed connection, the other end with bolt (33) spiro union, internal thread steel pipe (31) of another elasticity screw (3) are worn to establish in proper order the inside of outer frame (501), fixed foot (2) and graduated disk (4), one end and nut (32) fixed connection, the other end with bolt (33) spiro union.

9. The prefabricated column formwork perpendicularity detection device as claimed in claim 8, wherein: graduated disk (4) are including connecting screw (41), reading (42) and scale mark (43), the quotation of graduated disk (4) passes through connecting screw (41) fixed connection is in one of them the outside of stationary foot (2), the quotation center of graduated disk (4) pass through elasticity screw (3) with stationary foot (2), outer frame (501) fastening connection, reading (42) with scale mark (43) correspond the setting and are in graduated disk (4) circumferential edge.

10. The prefabricated column formwork perpendicularity detection device as claimed in claim 9, wherein: the surface of the outer frame (501) is provided with a centering groove (503) along the length direction, the centering groove (503) penetrates through the center of the dividing plate (4) and can be aligned with one of the graduation lines (43) on the dividing plate (4) to indicate the graduation line of the dividing plate (4).

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