CN111519670A

CN111519670A - Concave reinforced anti-floating anchor rod structure and verticality measuring device thereof

Info

Publication number: CN111519670A
Application number: CN202010372745.6A
Authority: CN
Inventors: 夏杰
Original assignee: Wuxi Xisheng Construction Co ltd
Current assignee: Wuxi Xisheng Construction Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2020-08-11
Anticipated expiration: 2040-05-06
Also published as: CN111519670B

Abstract

The invention relates to a concave reinforced anti-floating anchor rod structure which comprises anchor rods and grouting pipes, wherein the grouting pipes and the anchor rods are vertically arranged and are parallel to each other, a plurality of anchor rods are arranged along the circumferential direction, the grouting pipes are positioned at the centers of the anchor rods, connecting rib plates are respectively and fixedly connected between the anchor rods and the grouting pipes, one sides of the connecting rib plates are fixedly connected with verticality measuring pipes, and the verticality measuring pipes are arranged in parallel to the grouting pipes and the anchor rods. The perpendicularity measuring tube is additionally arranged on the anti-floating anchor rod, so that the perpendicularity of the anchor rod can be directly detected, and the measuring precision of the perpendicularity of the anchor rod is improved.

Description

Concave reinforced anti-floating anchor rod structure and verticality measuring device thereof

Technical Field

The invention relates to an anti-floating anchor rod, in particular to a concave reinforced anti-floating anchor rod structure and a verticality measuring device thereof.

Background

The anti-floating anchor rod refers to a structural member arranged for resisting upward displacement of a building on the anti-floating anchor rod, is related to the height and change of underground water level, and is opposite to the stress direction of the compression-resistant pile.

At present, chinese patent publication No. CN110056015A discloses a concave reinforced anti-floating anchor rod waterproof node structure, including from the basement rock, the concrete bed course, the pitch coiled material, the concrete water proof coating, the anchor rod anchor reinforcing bar, the slip casting pipe, the pitch caulking oleamen, sealing rod and reinforcing bar temporary support system, the concrete bed course is laid on from the basement rock upper end, the pitch coiled material bonds in concrete bed course upper end through water proof coating, the concrete water proof coating is laid in the pitch coiled material upper end, anchor rod anchor reinforcing bar lower extreme passes concrete water proof coating in proper order, pitch coiled material and concrete bed course, and insert from in the basement rock. Although above-mentioned structure is through bending the processing with stock anchor reinforcing bar extension, reach the effect of practicing thrift steel, reduction material cost and engineering time, do benefit to green construction and water-proof effects simultaneously and be good.

In actual work progress, the straightness that hangs down of stock is the important index of anti-floating anchor construction, however above-mentioned anti-floating anchor structure can't carry out the direct measurement to its straightness that hangs down, and constructor can only spill partial straightness in order to judge whether whole stock is in vertical state through measuring the stock, measures and can't reach the accuracy, has the defect.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a concave reinforced anti-floating anchor rod structure and a verticality measuring device thereof.

One of the objects of the present invention is: a verticality measuring tube is additionally arranged on the anti-floating anchor rod, so that the verticality of the anchor rod can be directly detected, and the measurement precision of the verticality of the anchor rod is improved;

the second purpose of the invention is that: and in the construction process of the anti-floating anchor rod, measuring the verticality of the anti-floating anchor rod.

One of the above objects of the present invention is achieved by the following technical solutions:

the utility model provides an anti-floating anchor rod structure of concave strenghthened type, includes stock and grout pipe, grout pipe and stock are vertical setting, and both are parallel to each other, the stock is equipped with a plurality ofly along the circumferencial direction, grout pipe is located the center department of a plurality of stocks, respectively fixedly connected with connection floor between stock and the grout pipe, one side fixedly connected with of connection floor hangs down straightness and surveys buret, it is on a parallel with grout pipe and stock setting to hang down straightness and surveys buret.

By adopting the above technical scheme, when the anti-floating anchor rod inserts downthehole that drills in advance, the staff through orientation perpendicular survey intraductal vertical insertion member, when the member can smoothly enter into the pipe bottom of straightness survey buret that hangs down, then prove that the straightness surveys buret that hangs down is in vertical state, because the straightness surveys buret that hangs down is on a parallel with grouting pipe and anchor rod setting to it also is in vertical state to have proved grouting pipe and anchor rod. Otherwise, the grouting pipe and the anchor rod are proved to be in a skew state. The perpendicularity measuring tube is additionally arranged on the anti-floating anchor rod, so that the perpendicularity of the anchor rod and the grouting tube can be detected, and the perpendicularity measuring precision of the anchor rod is improved.

the utility model provides a straightness measuring device hangs down, includes the backup pad, transfers horizontal plate and measuring stick, the backup pad is vertical support subaerial, the one end that ground was kept away from to the backup pad is connected with transfers horizontal plate, transfer horizontal plate to keep away from the one end vertical division of backup pad and have the measuring aperture, the measuring aperture is corresponding to the straightness survey buret that hangs down, it is intraductal that the measuring stick passes to get into the straightness survey after the measuring aperture, the diameter of measuring stick equals with the internal diameter of the survey buret that hangs down.

Through adopting above-mentioned technical scheme, at the straightness of hanging down to the stock and grout pipe and carry out the measuring in-process, the staff will transfer the horizontal plate to remove to between the stock, pass the measuring hole with the measuring stick after that to make the measuring stick get into in the straightness measuring pipe that hangs down. The measuring hole has the limiting function, can restrict the straightness that hangs down of measuring stick, when the measuring stick can smoothly get into the bottom of the pipe of the straightness survey buret that hangs down, then prove that the straightness surveys buret that hangs down is in vertical state, because the straightness surveys buret that hangs down is on a parallel with grout pipe and stock setting to it also is in vertical state to prove grout pipe and stock. Otherwise, the grouting pipe and the anchor rod are proved to be in a skew state. Above-mentioned structure is in anti-floating anchor rod work progress, through the cooperation of measuring hole and measuring stick, has realized the measurement of anti-floating anchor rod and grout pipe straightness that hangs down.

The present invention in a preferred example may be further configured to: the leveling plate comprises a connecting plate connected to the supporting plate and an extension plate hinged to the connecting plate, a locking strip is fixedly connected to the extension plate, the locking strip is arc-shaped, the circle center of the locking strip is located at the center of the hinged position of the connecting plate and the extension plate, a butt joint port for inserting the locking strip is formed in the connecting plate, a connecting threaded hole communicated with the butt joint port is formed in the side wall of the connecting plate, a locking bolt used for abutting against the locking strip is connected to the inner thread of the connecting threaded hole in a threaded mode, a first bar-shaped level meter is fixedly connected to one side of the extension plate, which is away from the ground, and the extension line of the length direction of the first bar-shaped level meter is perpendicular.

Through adopting above-mentioned technical scheme, before measuring the straightness that hangs down of straightness survey buret that hangs down, the staff at first judges whether the measuring orifice is in crooked state on extension plate length direction according to the bubble condition in the first bar spirit level. When the measuring hole is in crooked state on extension plate length direction, the staff unscrews the locking bolt and adjusts the extension plate, and when the bubble in the first bar spirit level was in the intermediate position, the staff screwed up the locking bolt, and the locking strip is locked for the extension plate obtains fixedly, makes the measuring hole be in the horizontality on extension plate length direction with this.

The present invention in a preferred example may be further configured to: one side fixedly connected with adjusting screw of connecting plate orientation backup pad, adjusting screw passes the backup pad and threaded connection has lock nut, one side fixedly connected with second bar spirit level of extension board back of the body, the first bar spirit level of second bar spirit level perpendicular to.

Through adopting above-mentioned technical scheme, before measuring the straightness that hangs down of straightness survey buret that hangs down, the staff at first judges whether the measuring orifice is in crooked state in extension plate width direction according to the bubble condition in the second bar spirit level. When the measuring hole is in crooked state on extension plate width direction, the staff unscrews lock nut and whole rotatory levelling plate, and when the bubble in the second bar spirit level was in the intermediate position, the staff screwed up lock nut for the levelling plate obtains fixedly, makes this measuring hole be in the horizontality on extension plate width direction.

The present invention in a preferred example may be further configured to: the inner side wall of the measuring hole is provided with a guide hole, the guide hole is arranged along the diameter direction of the measuring hole, a butting steel ball slides in the guide hole, one side of the butting steel ball facing the bottom of the guide hole is butted with a reference rod, the reference rod is spaced from the hole bottom of the guide hole, a strip-shaped observation port is formed in one side of the extension plate, which is away from the ground, and is communicated with the guide hole, the width of the measuring hole is smaller than that of the guide hole, an inner holding cylinder is expanded in the measuring hole, the outer side wall of the inner holding cylinder is attached to the inner side wall of the guide hole, the inner side wall of the inner holding cylinder is provided with a limiting hole, the inner side wall of the limiting hole is attached to the outer side wall of the abutting steel ball, the edge of one end of the inner holding cylinder is integrally formed with a connecting ring edge, the connecting ring edge is attached to the surface of the extension plate, and a fixing bolt which is in threaded connection with the extension plate penetrates through the connecting ring edge.

Through adopting above-mentioned technical scheme, when the measuring stick was obstructed, the measuring stick was in crooked state, and its axis and the hole central line of measuring hole skew this moment, and the measuring stick of skew can be contradicted on the conflict steel ball on its crooked orientation to this makes the benchmark pole produce the removal, and the staff can confirm the crooked orientation of measuring stick according to the position change of benchmark pole for the second scale mark, with this crooked orientation of confirming the stock, and the later stage of being convenient for is adjusted the stock.

The present invention in a preferred example may be further configured to: first scale marks are respectively carved on two sides of the length direction of the observation port, and marking lines are smeared on the reference rod.

Through adopting above-mentioned technical scheme, the mark lines cooperates in the second scale mark, and the staff of being convenient for observes the removal condition of benchmark pole.

The present invention in a preferred example may be further configured to: and a reset pressure spring is clamped between the reference rod and the hole bottom of the guide hole.

Through adopting above-mentioned technical scheme, the pressure spring that resets is contradicted in the benchmark pole to this makes the conflict steel ball have the trend towards the restriction hole removal, has reduced the conflict steel ball under the condition of not receiving external force, towards the guide hole bottom possibility of removal, with this measurement accuracy that has improved the measuring stick.

The present invention in a preferred example may be further configured to: and a second scale mark is marked on the rod body of the measuring rod along the length direction of the measuring rod.

Through adopting above-mentioned technical scheme, before putting into the downthehole that drills in advance with the stock, the staff inserts the measuring stick in the straightness measuring stick that hangs down, measures the numerical value when measuring stick inserts to the straightness measuring pipe bottom of hanging down through the second scale mark. In the measuring process, the staff can be according to the measuring stick whether go deep into above-mentioned numerical value to this confirms that the straightness survey buret that hangs down is in vertical state.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the perpendicularity measuring tube is additionally arranged on the anti-floating anchor rod, so that the perpendicularity of the anchor rod and the grouting tube can be detected, and the possibility of deflection of the anchor rod and the grouting tube in the construction process is reduced;

2. in the construction process of the anti-floating anchor rod, the measuring hole and the measuring rod are matched together, so that the verticality of the anti-floating anchor rod and the grouting pipe is measured;

3. the conflict steel ball can feed back the crooked direction of measuring stick to this makes the crooked condition of stock obtain measuring, the adjustment in the staff later stage of being convenient for.

Drawings

Fig. 1 is a schematic structural diagram for showing the connection relationship among the anchor rod, the grouting pipe and the verticality measuring pipe.

Fig. 2 is a schematic structural diagram for showing the positional relationship between the perpendicularity measuring device and the anchor rod.

FIG. 3 is a schematic diagram of a device for embodying perpendicularity measurements.

Fig. 4 is a sectional view for embodying an interference steel ball.

Fig. 5 is a schematic view of a structure for embodying the observation port.

In the drawings, 1, an anchor rod; 11. grouting pipes; 12. connecting rib plates; 13. a verticality measuring tube; 2. a support plate; 3. a leveling plate; 31. measuring a hole; 311. a guide hole; 32. a connecting plate; 321. a butt joint port; 322. connecting the threaded hole; 323. locking the bolt; 324. adjusting the screw rod; 3241. a lock nut; 33. an extension plate; 331. a viewing port; 3311. a first scale mark; 34. an occlusal orifice; 4. a measuring rod; 41. a second scale mark; 5. a locking strip; 6. a first bar level; 7. a second bar level; 8. butting against the steel balls; 81. a reference bar; 811. marking lines; 82. resetting the pressure spring; 9. an inner retention cartridge; 91. a limiting aperture; 92. connecting the ring edges; 93. and (5) fixing the bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

the embodiment discloses a concave reinforced anti-floating anchor rod structure, which comprises an anchor rod 1 and a grouting pipe 11 which are buried in the ground simultaneously and arranged in parallel with each other by referring to fig. 1. The top of stock 1 and grout pipe 11 is higher than ground, and the height that highly is less than stock 1 of grout pipe 11, and the bottom is higher than the bottom of stock 1. The anchor rods 1 are distributed three times along the circumferential direction, the three anchor rods 1 are distributed in an equilateral triangle shape, and the grouting pipes 11 are located at the centers of the three anchor rods 1. The anchor rod 1 and the grouting pipe 11 are respectively welded with a connecting rib plate 12, one side of the connecting rib plate 12 is fixedly connected with a verticality measuring pipe 13, the verticality measuring pipe is parallel to the anchor rod 1 and the grouting pipe 11, and the top end of the verticality measuring pipe is located above the ground and lower than the grouting pipe 11.

Referring to fig. 1, in the construction process of the anti-floating anchor rod 1, a worker buries the welded anti-floating anchor rod 1, the connecting rib plate 12 and the grouting pipe 11 into the ground at the same time, and the perpendicularity measuring pipe 13 is arranged therein for the worker to measure the perpendicularity of the anti-floating anchor rod 1. In the measurement process, the staff inserts a member towards being vertical direction in the straightness survey buret 13 that hangs down, when the member can reach to the bottom of the straightness survey buret 13 that hangs down, then explains that the straightness survey buret 13 that hangs down is in vertical state, because straightness survey buret 13 that hangs down is on a parallel with grout pipe 11 and stock 1, can reflect from the side that grout pipe 11 and stock 1 are in vertical state. If the rod is blocked in the process of inserting the verticality measuring pipe 13, the grouting pipe 11 and the anchor rod 1 are in a skew state.

Example 2:

the embodiment discloses a straightness measuring device that hangs down that is arranged in concave strenghthened type anti-floating anchor rod structure in embodiment 1, refers to fig. 2 and fig. 3, including backup pad 2, levelling plate 3 and measuring stick 4, backup pad 2 is vertical support subaerial. The leveling plate 3 is connected to one end of the supporting plate 2 far away from the ground, one end of the leveling plate 3 far away from the supporting plate 2 is provided with a measuring hole 31, one measuring hole 31 is provided, and when the leveling plate 3 is inserted between the anchor rods 1 in a horizontal shape, the measuring hole 31 is right opposite to one of the verticality measuring tubes 13 (refer to fig. 1).

Referring to fig. 2, the diameter of the measuring rod 4 is equal to the inner diameter of the verticality measuring pipe 13, and the inner diameter of the measuring hole 31 is larger than the diameter of the measuring rod 4. In the measurement process, the staff gets into the straightness survey buret 13 that hangs down behind the measuring hole 31 with measuring stick 4, in addition, in order to confirm whether measuring stick 4 arrives to the bottom of pipe of the straightness survey buret 13 that hangs down, is carved with second scale mark 41 on the pole body of measuring stick 4, when measuring stick 4 can't get into the straightness survey buret 13 that hangs down again, the staff can confirm whether measuring stick 4 arrived to the bottom of pipe of the straightness survey buret 13 that hangs down according to second scale mark 41.

Referring to fig. 2 and 3, the adjusting horizontal plate includes a connection plate 32 and an extension plate 33, the connection plate 32 is connected to the support plate 2, and the extension plate 33 is hinged to the extension plate 33 of the connection plate 32. The extension plate 33 is fixedly connected with a locking strip 5, the locking strip 5 is in the shape of a circular arc, and the circle of the locking strip is positioned at the center of the hinged position of the connecting plate 32 and the extension plate 33. The connecting plate 32 is provided with a butt joint port 321 for inserting the locking bar 5, the side wall of the connecting plate 32 is provided with a connecting threaded hole 322 communicated with the butt joint port 321, and the connecting threaded hole 322 is internally threaded with a locking bolt 323 for abutting against the locking bar 5.

Referring to fig. 3, before measuring the verticality of the anchor rod 1, the worker unscrews the locking bolt 323, and at this time, the worker can rotate the extension plate 33 to adjust the levelness of the measuring hole 31 in the length direction of the adjusting horizontal plate. Meanwhile, in order to observe the adjusted horizontal state conveniently, a first bar-shaped level instrument 6 is fixedly connected to one side of the extension plate 33, which deviates from the ground, and the extension line of the length direction of the first bar-shaped level instrument 6 is perpendicular to the extension line of the vertical direction of the support plate 2.

Referring to fig. 3, an adjusting screw 324 is fixedly coupled to a side of the connection plate 32 facing the support plate 2, and the adjusting screw 324 penetrates the support plate 2 and is threadedly coupled with a lock nut 3241. One side of the extension plate 33 deviating from the ground is fixedly connected with a second bar-shaped level meter 7, and the second bar-shaped level meter 7 is perpendicular to the first bar-shaped level meter 6. Before performing the measurement, the worker unscrews the lock nut 3241 and then rotates the coupling plate 32, thereby adjusting the levelness of the measurement hole 31 in the width direction of the adjustment level plate.

Referring to fig. 4, the inner side wall of the measurement hole 31 is provided with four guide holes 311, the four guide holes 311 are formed along the diameter direction of the measurement hole 31, and the four guide holes 311 are uniformly distributed along the circumferential direction of the measurement hole 31. The abutting steel ball 8 slides in the guide hole 311, one side of the abutting steel ball 8 facing the hole bottom of the guide hole 311 abuts against a reference rod 81, and a reset pressure spring 82 is clamped between the reference rod 81 and the hole bottom of the guide hole 311.

Referring to fig. 4, the inner holding cylinder 9 is expanded in the measuring hole 31, and the outer side wall of the inner holding cylinder 9 is fitted to the inner side wall of the guide hole 311. The inside wall of internal holding section of thick bamboo 9 is opened has limiting hole 91, and limiting hole 91's inside wall is arc and is laminated mutually with the outside wall of contradicting steel ball 8. When the measurement is not performed, a part of the spherical surface of the interference steel ball 8 protrudes out of the limiting hole 91, and the diameter of a circle formed by the four protruding interference steel balls 8 is the same as the outer diameter of the measuring rod. The edge of the top end of the internal holding cylinder 9 is integrally formed with a connecting ring edge 92, the connecting ring edge 92 is attached to the surface of the extension plate 33, a fixing bolt 93 penetrates through the connecting ring edge 92, and the fixing bolt 93 is in threaded connection with the extension plate 33.

Referring to fig. 5, a strip-shaped observation port 331 is formed on a side of the extension plate 33 away from the ground, and the observation port 331 is communicated with the guide hole 311 and has a width smaller than that of the guide hole 311. First scale lines 3311 are respectively marked on both sides in the longitudinal direction of the observation port 331, and a marking line 811 is applied to the reference bar 81, and the marking line 811 is aligned with the "0" scale line of the first scale line 3311.

Referring to fig. 2, when measuring, the staff places the supporting plate 2 on the ground, and the leveling plate 3 is located between three anchor rods 1, and the staff is through adjusting connecting plate 32 and connecting plate 32 for the leveling plate 3 is in the horizontality, thereby guarantees that the axial of measuring hole 31 is in the vertical state. In addition, for the convenience of alignment, a bite 34 for fitting the anchor rod 1 is formed at one end of the leveling plate 3 away from the support plate 2.

Referring to fig. 2, when the leveling plate 3 is horizontal and the engagement opening 34 is fitted to the anchor rod 1, the measuring hole 31 is aligned with one of the verticality measuring pipes 13. The staff gets and passes measuring staff 4 and measures hole 31 and insert the straightness survey buret 13 that hangs down, when measuring staff 4 can smoothly arrive at the bottom of pipe to the straightness survey buret 13 that hangs down, then proves that the straightness surveys buret 13 that hangs down is in vertical state to prove that stock 1 and grout pipe 11 are in vertical state. When the measuring rod 4 is blocked halfway, the anchor rod 1 and the grouting pipe 11 are proved to be in a skew state.

Referring to fig. 4, when the measuring rod 4 is blocked, the measuring rod 4 is in a skew state, and at this time, the axis of the measuring rod 4 deviates from the hole center line of the measuring hole 31, and the deviated measuring rod 4 collides with the collision steel ball 8 in the skew direction, so that the reference rod 81 moves, and a worker can determine the skew direction of the measuring rod 4 according to the position change of the reference rod 81 relative to the second scale mark 41, so as to determine the skew direction of the anchor rod 1, and adjust the anchor rod 1 at a later stage.

Example 3:

the embodiment discloses a construction method of a concave reinforced anti-floating anchor rod 1 structure applied to the embodiment 1, which comprises the following steps:

s1, welding: firstly, three connecting rib plates 12 are welded on the outer side wall of the grouting pipe 11, the length direction of the connecting rib plates 12 is parallel to the length direction of the grouting pipe 11, and the included angle between every two adjacent connecting rib plates 12 is 120 degrees. Then welding the anchor rod 1 on one side of the connecting rib plate 12, which is far away from the grouting pipe 11, after the welding of the anchor rod 1 is finished, welding a verticality measuring pipe 13 on one side of the connecting rib plate 12, wherein the verticality measuring pipe 13 is positioned between the anchor rod 1 and the grouting pipe 11, and after the welding is finished, the anchor rod 1, the verticality measuring pipe 13 and the grouting pipe 11 are parallel to each other;

s2, determining the value of the measuring rod 4: inserting the measuring rod 4 into the verticality measuring tube 13, and reading the value a on the measuring rod 4 when the measuring rod 4 reaches the bottom of the verticality measuring tube 13;

s3, hanging: hoisting the welded anti-floating anchor rod 1 structure in the S1 into a pre-drilled hole by using a crane, winding a steel bar at the top end of the anti-floating anchor rod 1 structure through a steel wire hoop, supporting the steel bar on the ground, and primarily fixing the steel bar;

s4, positioning: placing the support plate 2 on the ground, and enabling the leveling plate 3 to be horizontally positioned among the three anchor rods 1, wherein the three anchor rods 1 are respectively abutted against different three side surfaces of the leveling plate 3;

s5, adjusting the verticality measuring device: adjusting the levelness of the leveling plate 3 according to the first bar-shaped level gauge 6 and the second bar-shaped level gauge 7, during adjustment, firstly loosening the locking nut 3241, rotating the leveling plate 3, and when bubbles in the second bar-shaped level gauge 7 are located at the middle position, tightening the locking nut 3241 to enable the measuring hole 31 to be in a horizontal state in the width direction of the extension plate 33; then, the locking bolt 323 is loosened, the extension plate 33 is adjusted, and when the bubble in the first bar-type level 6 is located at the middle position, the locking bolt 323 is screwed down, so that the measuring hole 31 is in a horizontal state in the length direction of the extension plate 33;

s5, measuring verticality: a worker inserts the measuring rod 4 into the verticality measuring tube 13 through the measuring hole 31, and in the downward inserting process, when the descending depth of the measuring rod 4 reaches a value a, the measuring rod 4 reaches the bottom of the verticality measuring tube 13, so that the verticality measuring tube 13 is proved to be in a vertical state, and the anchor rod 1 is proved to be in a vertical state; otherwise, the bolt 1 is proved to be in a skew state.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides an anti-floating anchor rod structure of concave strenghthened type, includes stock (1) and grout pipe (11), grout pipe (11) and stock (1) are vertical setting, and both are parallel to each other, stock (1) are equipped with a plurality ofly along the circumferencial direction, grout pipe (11) are located the center department of a plurality of stock (1), its characterized in that: the anchor rod is characterized in that a connecting rib plate (12) is fixedly connected between the anchor rod (1) and the grouting pipe (11) respectively, a perpendicularity measuring pipe (13) is fixedly connected to one side of the connecting rib plate (12), and the perpendicularity measuring pipe (13) is parallel to the grouting pipe (11) and the anchor rod (1).

2. A straightness measuring device that hangs down that is used for concave strenghthened type anti-floating anchor rod structure of claim 1, its characterized in that: including backup pad (2), level adjusting plate (3) and measuring stick (4), backup pad (2) are vertical support subaerial, the one end that ground was kept away from in backup pad (2) is connected with level adjusting plate (3), the vertical one end of keeping away from backup pad (2) of level adjusting plate (3) is opened there is measuring hole (31), measuring hole (31) are corresponding to straightness survey buret (13) that hangs down, measuring stick (4) are gone into behind measuring hole (31) and are hung down straightness survey buret (13) in, the diameter of measuring stick (4) equals with the internal diameter of straightness survey buret (13) that hangs down.

3. The verticality measuring apparatus according to claim 2, wherein: the horizontal adjusting plate (3) comprises a connecting plate (32) connected with the supporting plate (2) and an extension plate (33) hinged with the connecting plate (32), the extension plate (33) is fixedly connected with a locking strip (5), the locking strip (5) is arc-shaped, the circle center of the connecting plate is positioned at the center of the hinged position of the connecting plate (32) and the extension plate (33), a butt joint port (321) for inserting the locking strip (5) is arranged on the connecting plate (32), the side wall of the connecting plate (32) is provided with a connecting threaded hole (322) communicated with the butt joint port (321), a locking bolt (323) which is used for abutting against the locking strip (5) is connected with the internal thread of the connecting threaded hole (322), one side of the extension plate (33) departing from the ground is fixedly connected with a first bar-shaped level meter (6), the extension line of the first bar-shaped level (6) in the length direction is perpendicular to the extension line of the support plate (2) in the vertical direction.

4. The verticality measuring apparatus according to claim 3, wherein: connecting plate (32) are towards one side fixedly connected with adjusting screw (324) of backup pad (2), adjusting screw (324) pass backup pad (2) and threaded connection has lock nut (3241), one side fixedly connected with second bar spirit level (7) that extension plate (33) deviates from ground, first bar spirit level (6) of second bar spirit level (7) perpendicular to.

5. The verticality measuring apparatus according to claim 2, wherein: the inner side wall of the measuring hole (31) is provided with a guide hole (311), the guide hole (311) is arranged along the diameter direction of the measuring hole (31), a collision steel ball (8) slides in the guide hole (311), one side, facing the hole bottom of the guide hole (311), of the collision steel ball (8) is collided with a reference rod (81), a distance is reserved between the reference rod (81) and the hole bottom of the guide hole (311), one side, deviating from the ground, of the extension plate (33) is provided with a strip-shaped observation port (331), the observation port (331) is communicated with the guide hole (311), the width of the observation port is smaller than that of the guide hole (311), the measuring hole (31) is internally expanded with an internal retaining cylinder (9), the outer side wall of the internal retaining cylinder (9) is attached to the inner side wall of the guide hole (311), the inner side wall of the internal retaining cylinder (9) is provided with a limiting hole (91), and the inner side wall of the limiting hole (91) is attached to the collision steel ball, the edge of one end of the inner holding cylinder (9) is integrally formed with a connecting ring edge (92), the connecting ring edge (92) is attached to the surface of the extension plate (33), and a fixing bolt (93) which is in threaded connection with the extension plate (33) penetrates through the connecting ring edge (92).

6. The verticality measuring apparatus according to claim 5, wherein: first scale marks (3311) are respectively carved on two sides of the length direction of the observation port (331), and a marking line (811) is coated on the reference rod (81).

7. The verticality measuring apparatus according to claim 5, wherein: and a reset pressure spring (82) is clamped between the reference rod (81) and the bottom of the guide hole (311).

8. The verticality measuring apparatus according to claim 2, wherein: and a second scale mark (41) is marked on the rod body of the measuring rod (4) along the length direction of the measuring rod.