CN212030438U

CN212030438U - Concrete prefabricated part flatness detection device

Info

Publication number: CN212030438U
Application number: CN202021043598.XU
Authority: CN
Inventors: 张国斌; 孙博暄; 汪充; 孙宗国; 齐欣; 李海亮; 任瑞杰; 邵坤; 张虓
Original assignee: Langfang Yijia Water Conservancy And Hydropower Engineering Testing Co ltd
Current assignee: Hebei Yijia Engineering Testing Co.,Ltd.
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2020-11-27
Anticipated expiration: 2030-06-09

Abstract

The utility model relates to a concrete prefabricated member flatness detection device, which comprises two bottom plates which are arranged at intervals; a pipe body vertically arranged on the bottom plate; the upright column is vertically arranged on the bottom plate, and one end of the upright column is inserted into the pipe body; a threaded section formed on the upright post; a ring cylinder sleeved on the upright post and in threaded connection with the threaded section; the two ends of the cross rod are respectively detachably connected with the two ring columns; the supporting plate is arranged on the cross rod, and one end of the supporting plate is connected with the sliding groove in a sliding manner; one end of the measuring tube is detachably connected with the supporting plate, and the other end of the measuring tube is a closed end measuring tube; the reading plate is arranged in the measuring pipe, and the side surface of the reading plate is abutted with the inner side surface of the measuring pipe; the spring is arranged in the measuring pipe, and two ends of the spring are respectively connected with the supporting plate and the reading plate; and a detection rod, one end of which is fixedly connected with the reading plate, and the other end of which extends out of the measuring tube and is used for being abutted against the measured plane. The utility model belongs to the technical field of the concrete prefabricated member detects, have and can reduce the deviation, advantage that the measuring result error is little.

Description

Concrete prefabricated part flatness detection device

Technical Field

The utility model belongs to the technical field of the technique that the concrete prefab detected and specifically relates to a concrete prefab flatness detecting device is related to.

Background

At present, in the building construction industry, concrete prefabricated parts are also called as PC components and are widely applied to the fields of buildings, traffic, water conservancy and the like, such as prefabricated floor slabs, prefabricated stairs or prefabricated steel structure foundations and the like. And the structural performance of the concrete prefabricated member needs to meet detection standards, such as levelness, verticality or strength.

When the levelness of the existing concrete prefabricated part is detected, a guiding rule and a clearance gauge of two meters or 3 meters are usually adopted for detection, the guiding rule is firstly attached to the surface of the concrete prefabricated part to be detected, then the guiding rule is pressed by one hand, and the clearance gauge is held by the other hand or the clearance gauge is held by the other person for measuring the size of a gap between the bottom surface of the guiding rule and the surface of the concrete prefabricated part to be detected. In the testing process of levelness, the guiding rule is only held up by the manual work oneself, and in the clearance gauge use, can extrude very easily and drive the guiding rule and take place the displacement or clearance between the clearance gauge itself and the face that awaits measuring to lead to the measuring result error big easily.

The existing concrete prefabricated part detection tool has the problem of large measurement result error.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a concrete prefabricated member flatness detection device, it has solved and has detected the big problem of concrete prefabricated member measurement structure error among the prior art, has and can reduce the deviation, advantage that the measuring result error is little.

The above object of the present invention can be achieved by the following technical solutions:

a concrete preform flatness detecting apparatus comprising:

two bottom plates spaced apart from each other;

the pipe body is vertically arranged on the bottom plate;

the upright post is vertically arranged on the bottom plate, and one end of the upright post is inserted into the pipe body;

the thread section is arranged on the upright post;

the annular cylinder is sleeved on the upright post and is in threaded connection with the threaded section;

the two ends of the cross rod are respectively detachably connected with the two ring cylinders;

the sliding chute is arranged on the cross rod in a direction parallel to the axis of the cross rod;

the horizontal bubble is arranged at the two ends of the cross rod in parallel with the axis of the cross rod;

the supporting plate is arranged on the cross rod, and one end of the supporting plate is connected with the sliding groove in a sliding manner;

one end of the measuring pipe is detachably connected with the supporting plate, and the other end of the measuring pipe is a closed end;

the dial gauge is arranged on the outer side surface of the measuring tube in parallel with the axis of the measuring tube;

the rectangular hole is arranged on the measuring pipe in a direction parallel to the axis direction of the measuring pipe;

the reading plate is arranged in the measuring pipe, and the side surface of the reading plate is abutted with the inner side surface of the measuring pipe;

the spring is arranged in the measuring tube, and two ends of the spring are respectively connected with the supporting plate and the reading plate; and

one end of the detection rod is fixedly connected with the reading plate, and the other end of the detection rod extends out of the measuring tube and is used for being abutted against a measured plane.

By adopting the technical scheme, the utility model discloses can be placed in the both sides of the concrete precast slab that awaits measuring by the detection personnel, through observing whether the bubble of horizontal bubble is placed in the middle, rotate the stand again, make the position of the screw thread section at the stand of ring cylinder body change, and then adjust the horizontal pole to the horizontality, need to put the bottom of measuring rod and the plane butt that awaits measuring this moment, the numerical value on the graduation apparatus that the reading board corresponds is zero, then slide the backup pad along the spout, drive the survey buret and remove, when the bottom of measuring rod meets the surface that awaits measuring and has the depression, the bottom of measuring rod continues to put through with the surface butt that awaits measuring under the action of gravity, the spring is in tensile state, and the reading board is driven and moves down, the reading on the corresponding graduation apparatus of reading board this moment is the clearance numerical value of this department, on the contrary, when the surface that awaits measuring, and obtaining a detection result. The detection result is more accurate, and the error is little.

The present invention may be further configured in a preferred embodiment as: the bottom surface of bottom plate is equipped with a plurality of branches.

Through adopting above-mentioned technical scheme, the bottom surface of bottom plate has set up branch, and the setting up of branch can avoid the bottom plate to have particles such as rubble residue when placing because of there being the level of placing the bottom plate, and the accommodation process that leads to the horizontal pole to transfer to the horizontality increases, wastes time and energy.

The present invention may be further configured in a preferred embodiment as: the cross rod consists of two secondary rods which are hinged with each other;

one end of the secondary rod is detachably connected with the annular column body, and the other end of the secondary rod is hinged to the other secondary rod.

Through adopting above-mentioned technical scheme, the horizontal pole sets up two mutual articulated secondary pole and constitutes, makes the utility model discloses except measuring the levelness that the face that awaits measuring followed a straight line, will survey the levelness of all the other positions, still must remove again the utility model discloses. So that the measurement is more convenient and faster.

The present invention may be further configured in a preferred embodiment as: and a clamping groove is formed in the outer side surface of the ring column body, and a clamping block matched with the clamping groove is arranged at one end of the secondary rod.

Through adopting above-mentioned technical scheme, the horizontal pole that secondary pole is constituteed passes through the cooperation of fixture block and draw-in groove, realizes being connected dismantling of horizontal pole and ring cylinder for the dismantlement and the installation of horizontal pole are convenient and fast more, need not operations such as wrong bolt.

The present invention may be further configured in a preferred embodiment as: and a pointer is arranged on the side surface of the reading plate, and one end of the pointer extends out of the measuring tube from the rectangular hole.

Through adopting above-mentioned technical scheme, set up the pointer on the reading board, the numerical value on the inspection personnel of being convenient for directly read the graduation apparatus through the pointer avoids people's vision deviation, produces reading error, and then leads to the measuring error of levelness.

The present invention may be further configured in a preferred embodiment as: and one end of the pointer is provided with a mark layer.

Through adopting above-mentioned technical scheme, the one end of pointer has set up the mark layer, the setting on mark layer for during the reading more striking, reading more convenient and fast.

The present invention may be further configured in a preferred embodiment as: the bottom end of the detection rod is provided with a cone.

Through adopting the technical scheme, the utility model discloses a test rod bottom has set up the cone, reduces test rod and the planar area of contact that awaits measuring, consequently in same area, the data of gathering through the cone can be more for the testing result is more accurate.

The present invention may be further configured in a preferred embodiment as: the bottom end of the cone is an arc-shaped surface.

Through adopting above-mentioned technical scheme, the bottom of cone is the arcwall face, when avoiding the bottom of cone to remove on the plane that awaits measuring, the tip part causes wearing and tearing to the plane that awaits measuring, a plurality of mar appear even.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the utility model replaces the original feeler gauge with the measuring tube and the detecting rod, replaces the original guiding rule with the cross rod and the horizontal bubble, and the bottom end of the detecting rod is provided with the cone, so that more data are acquired during detection, the detection result is more accurate, and the error is small;

2. the utility model discloses a cone bottom is the arcwall face, can avoid the cone to produce wearing and tearing to the plane that awaits measuring. In addition, the side of the reading plate is provided with the pointer, so that reading is more accurate, reading errors caused by visual errors can be reduced, and detection structure errors are further reduced.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is an exploded view of a measuring tube and a detecting rod on a mounting plate in an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the ring cylinder and the cross bar in the embodiment of the present invention.

Reference numerals: 11. the measuring device comprises a bottom plate, 12, a pipe body, 21, a column, 22, a threaded section, 23, a ring cylinder body, 31, a cross rod, 32, a sliding groove, 33, a horizontal bubble, 41, a supporting plate, 51, a measuring pipe, 52, a scale, 53, a rectangular hole, 54, a reading plate, 55, a spring, 61, a detecting rod, 111, a supporting rod, 311, a secondary rod, 231, a clamping groove, 312, a clamping block, 541, a pointer, 611 and a cone.

Detailed Description

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

The embodiment of the utility model discloses concrete prefabricated member levelness detection device belongs to the technical field that the concrete prefabricated member detected, has solved and has detected the big problem of concrete prefabricated member measurement structure error among the prior art, has the advantage that can reduce the deviation, the measuring result error is little.

Referring to fig. 1 and 2, for the utility model discloses a precast concrete member levelness detection device, mainly by bottom plate 11, body 12, stand 21, ring cylinder 23, horizontal pole 31, backup pad 41, survey buret 51, reading board 54, spring 55 and measuring staff 61 etc. constitute. The pipe body 12 is vertically arranged on the bottom plate 11, the upright post 21 is vertically arranged on the bottom plate 11, the ring post bodies 31 are sleeved on the upright post 21, two ends of the cross rod 31 are detachably connected with the two ring post bodies 23 respectively, the supporting plate 41 is arranged on the cross rod 31, one end of the measuring pipe 51 is detachably connected with the supporting plate 41, the reading plate 54 is arranged in the measuring pipe 51, the spring 55 is arranged in the measuring pipe 51, and one end of the detecting rod 61 is fixedly connected with the reading plate 54.

Referring to fig. 1, the bottom plate 11 may be a triangular plate, a polygonal plate or a circular plate, and serves as a stable support. The pipe 12 is perpendicular to the geometric center of the bottom plate 11 in the embodiment of the present invention, and the bottom end thereof is welded on the upper surface of the bottom plate 11 for inserting the column 21, when the column 21 needs to be rotated around the axis, the pipe 12 will not generate resistance, causing the rotation obstacle of the column 21.

The upright 21 can be made of a round rod, the bottom end of which is inserted into the tubular body 12 and abuts against the upper surface of the bottom plate 11. The upright 21 further comprises a threaded section 22 opening onto the upright 21. The threaded section 22 is used to mount the ring cylinder 23 to the upright 21. The ring column body 23 is sleeved on the upright column 21 and can slide up and down along the upright column 21, and when the ring column body 23 moves to the threaded section 22, the ring column body is connected with the threaded section 22 in a matching mode through threads. When the position of the ring cylinder 23 needs to be adjusted, the upright post 21 is rotated, the thread section 22 is also rotated, and the ring cylinder 23 is moved along the axis direction through the matching between the threads.

Referring to fig. 1 and 2, both ends of a cross bar 31 are respectively installed on the ring cylinders 23 at both sides by welded iron plates and bolts, and the cross bar 31 further includes a slide groove 32 and a horizontal bubble 33. In the embodiment of the present invention, the chute 32 is provided on the upper surface of the horizontal rod 31 along the direction parallel to the axis of the horizontal rod 31, and the cross section of the chute 32 is of a rectangular structure, and is used for fixing the supporting plate 41. The horizontal bubbles 33 are installed at both ends of the cross bar 31, and the horizontal bubbles 33 are cylindrical structures and mainly composed of hollow tubes, bubble liquid and bubbles injected into the hollow tubes. The horizontal bulb 33 can be tied to the cross bar 31 by iron wires, and a kidney-shaped groove can be milled on two sides of the upper surface of the cross bar 31 for installing the horizontal bulb 33. The cross bar 31 is adjusted to the horizontal state by determining whether the bubble in the horizontal bubble 33 is centered.

The support plate 41 is an L-shaped plate, one end of which is inserted into the slide groove 32, and when moving, the support plate 41 moves along the axis of the cross bar 31. The embodiment of the utility model provides an in 41 lower surfaces of backup pad are equipped with cylinder type groove, and the groove side is equipped with the screw thread for fixed mounting surveys buret 51.

The measuring tube 51 is a cylindrical tube, the upper end of which is connected with the supporting plate 41 in a threaded manner, and the other end is a closed end. In the embodiment of the utility model provides an in, its lower extreme is the blind end, and the side of surveying buret 51 is equipped with graduation apparatus 52 along the axis direction that is on a parallel with surveying buret 51 for reading when measuring the levelness. The side of the measuring pipe 51 is also provided with a rectangular hole 53, and the rectangular hole 53 is arranged on the measuring pipe 51 in parallel with the axial direction of the measuring pipe. When reading, the position of the reading plate 54 is observed through the rectangular hole 53, and the value on the corresponding scale 52 is recorded.

The reading plate 54 is placed inside the measuring tube 51 in a clearance fit with the measuring tube 51, i.e. the side of the reading plate 54 abuts the inner side of the measuring tube 51, which can move up and down inside the measuring tube 51 along the axis of the measuring tube 51, the axis of the measuring tube 51 passing through the geometric center of the reading plate 54.

And a spring 55 disposed in the measuring tube 51 and having both ends connected to the lower surface of the support plate 41 and the upper surface of the reading plate 54, respectively, by welding. The spring 55 is used for providing downward pressure or upward tension for the reading plate 51, so that the reading plate 51 is convenient to reset, and therefore the spring 55 can be made of an extension spring and can be elastically deformed under the action of the common gravity of the detection rod 61 and the reading plate 54. And the deviation of the reading plate can be avoided, so that the measurement error is caused.

One end of the detecting rod 61 is fixedly connected with the reading plate 54 by welding, and the axis of the detecting rod 61 is collinear with the axis of the measuring pipe 51. In the embodiment of the present invention, the other end, i.e., the lower end, of the detecting rod 61 is extended from the bottom end of the measuring tube 51 for abutting against the plane to be measured.

When the levelness of concrete prefabricated member needs to be measured, the detector firstly moves the bottom plate to be placed on the ground on the two sides of the plane to be measured, then inserts the upright post 21 into the pipe body 12, sleeves the ring cylinder 23 into the upright post 21, then places the support plate 41 on the cross rod 31 together with the measuring pipe 51 and the detecting rod 61, then rotates the upright post 21, and adjusts the height of the cross rod 31, so that the bottom end of the detecting rod 61 contacts with the plane to be measured. The adjustment is continued until the value on the scale 52 corresponding to the reading board 54 is zero, and the detection can be started.

During detection, the supporting plate 41 is slowly moved from one side of the cross rod 31 to the other side, and when the detection rod 51 encounters a concave point on a plane to be detected, the detection rod 51 drives the reading plate 51 downwards. At this time, the descending value of the reading board 51 is recorded, that is, the levelness deviation at this position, and similarly, the data of the point where the reading board 51 occurs is recorded. The levelness of the preform can be detected.

And for avoiding bottom plate 11 to place subaerial rubble bed hedgehopping by subaerial and lead to bottom plate 11 unstable, take place to rock at the detection levelness in-process and produce measuring error, refer to fig. 1, set up a plurality of branches 111 in bottom plate 11's bottom surface, branch 111 is the welding with bottom plate 11's connected mode for reduce the area of contact of bottom plate 11 and ground, and then reduce the error.

In addition, in order to measure data on a plurality of straight lines at one time, referring to fig. 3, the cross bar 31 is configured to be composed of two secondary bars 311 hinged to each other, one end of each secondary bar 311 is detachably connected to the ring column 23, the other end of each secondary bar 311 is hinged to the other secondary bar 311, and the two secondary bars 311 may be connected through a pin, and can rotate relatively on the same horizontal plane.

Further, in order to facilitate the detachment of the cross bar 31, referring to fig. 3, a locking groove 231 is provided on the outer side surface of the ring cylinder 23, and correspondingly, a locking block 312 which is matched with the locking groove 231 is provided at one end of the secondary bar 111. When the levelness needs to be detected, the fixture block 312 is inserted into the fixture slot 231. When detaching, the latch of the horizontal secondary rod 311 is only required to be taken out from the latch slot 231.

In order to make the scale value on the scale 52 read more conveniently and accurately by the detecting personnel, referring to fig. 1 and 2, a pointer 541 is arranged on the side surface of the reading plate 54, one end of the pointer 541 is welded with the side surface of the reading plate 54, the other end of the pointer 541 extends out of the measuring pipe 51, and the tip part of the pointer points to the scale on the scale 52. In reading, the pointer 541 can be directly observed to read, so that detection errors caused by visual deviation can be reduced.

In addition, to further facilitate the reading of the inspector through the pointer 541, a marking layer is provided at an end portion of the pointer 541, i.e., a needle tip portion, and the marking layer is formed with a coating paint. The colored marking layer is more striking in color and less prone to visual deviation when being read.

In order to reduce the contact area between the bottom end of the detection rod 61 and the plane to be detected, and thus the detection result is more accurate, the cone 611 is arranged at the bottom end of the detection rod 61, and when the cone 611 is used, only the tip part of the bottom of the cone 611 is in contact with the plane to be detected, so that the detection area is smaller compared with the original detection area of the bottom surface of the detection rod 61, and the number of detection points on the same straight line is more.

And in order to prevent the bottom tip part of the cone 61 from wearing or scratching the plane to be detected, the bottom end of the cone 61 is set to be an arc-shaped surface, and when the levelness is detected, the arc-shaped surface is abutted to the plane to be detected, so that the plane to be detected cannot be worn or scratched at the tip position.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A concrete precast member flatness detecting device is characterized by comprising:

two bottom plates (11) spaced apart from each other;

the pipe body (12) is vertically arranged on the bottom plate (11);

the upright column (21) is vertically arranged on the bottom plate (11), and one end of the upright column is inserted into the pipe body (12);

the thread section (22) is arranged on the upright post (21);

the annular cylinder body (23) is sleeved on the upright post (21) and is in threaded connection with the threaded section (22);

the two ends of the cross rod (31) are respectively detachably connected with the two ring cylinders (23);

the sliding chute (32) is arranged on the cross rod (31) in parallel to the axial direction of the cross rod (31);

horizontal bubbles (33) which are parallel to the axis of the cross rod (31) and are arranged at two ends of the cross rod (31);

the supporting plate (41) is arranged on the cross rod (31), and one end of the supporting plate is connected with the sliding chute (32) in a sliding manner;

a measuring tube (51) with one end detachably connected with the support plate (41) and the other end being a closed end;

a scale (52) arranged parallel to the axis of the measuring tube (51) on the outer side of the measuring tube (51);

a rectangular hole (53) provided in the measurement pipe (51) in parallel with the axial direction of the measurement pipe (51);

a reading plate (54) which is arranged in the measuring pipe (51) and the side surface of which is abutted against the inner side surface of the measuring pipe (51);

a spring (55) arranged in the measuring pipe (51), and two ends of the spring are respectively connected with the supporting plate (41) and the reading plate (54); and

and one end of the detection rod (61) is fixedly connected with the reading plate (54), and the other end of the detection rod extends out of the measuring pipe (51) and is used for abutting against the measured plane.

2. The concrete precast member flatness detecting apparatus according to claim 1, wherein: the bottom surface of the bottom plate (11) is provided with a plurality of support rods (111).

3. The concrete precast member flatness detecting apparatus according to claim 1, wherein: the cross rod (31) consists of two secondary rods (311) which are hinged with each other;

one end of the secondary rod (311) is detachably connected with the ring column body (23), and the other end of the secondary rod (311) is hinged with the other secondary rod (311).

4. The apparatus for inspecting flatness of a concrete preform according to claim 3, wherein: a clamping groove (231) is formed in the outer side face of the ring column body (23), and a clamping block (312) matched with the clamping groove (231) is arranged at one end of the secondary rod (311).

5. The concrete precast member flatness detecting apparatus according to claim 1, wherein: the side surface of the reading plate (54) is provided with a pointer (541), and one end of the pointer (541) extends out of the measuring pipe (51) from the rectangular hole (53).

6. The concrete precast member flatness detecting apparatus according to claim 5, wherein: one end of the pointer (541) is provided with a mark layer.

7. The concrete precast member flatness detecting apparatus according to claim 1, wherein: the bottom end of the detection rod (61) is provided with a cone (611).

8. The apparatus for inspecting flatness of a concrete preform according to claim 7, wherein: the bottom end of the cone (611) is an arc-shaped surface.