CN214844580U

CN214844580U - Leveling device for resiliometer

Info

Publication number: CN214844580U
Application number: CN202121436376.9U
Authority: CN
Inventors: 朱剑; 黄鹂; 杨锋
Original assignee: Hangzhou Tongzheng Construction Engineering Testing Co ltd
Current assignee: Hangzhou Tongzheng Construction Engineering Testing Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-11-23
Anticipated expiration: 2031-06-25

Abstract

The application relates to the technical field of engineering detection equipment, in particular to a leveling device for a resiliometer, which comprises a supporting part for installing the resiliometer and a guide frame surrounding the supporting part for one circle, wherein one end of the guide frame is provided with a guide space which is axially communicated along the guide frame and used for accommodating the resiliometer, and one end of the guide frame is provided with a supporting plane vertical to the axis of the resiliometer; the butt piece is including being used for with the butt flat board of resiliometer sense terminal lateral wall butt and connecting the biography power portion that slides between butt flat board and leading truck, the detection hole that supplies what resiliometer sense terminal passed and offset with the sense terminal lateral wall is seted up at the dull and stereotyped middle part of butt. This application has when improving resiliometer and detect the straightness that hangs down between the face.

Description

Leveling device for resiliometer

Technical Field

The application relates to the technical field of engineering check out test set, especially relate to a levelling device for resiliometer.

Background

The resiliometer is a device which uses a spring-driven weight to rebound the surface of concrete by means of a rebound rod (dowel bar), measures the rebound distance of the weight, and uses the rebound value (the ratio of the rebound distance to the initial length of the spring) as an index related to the strength to estimate the strength of the concrete.

When the existing resiliometer is used, a detector is required to offset the elastic impact rod of the resiliometer with the detection surface of concrete, and the elastic impact rod of the resiliometer is required to be perpendicular to the detection surface for ensuring the detection precision. The one end that resiliometer and concrete were supported is the test end, and the opposite other end is handheld end.

Whether the hammering pole of resiliometer is perpendicular with the detection face usually depends on the experience judgement of testing personnel, and naked eye judgement has great error risk.

SUMMERY OF THE UTILITY MODEL

Be less than 90 degrees contained angles between resiliometer axis and the detection face in order to reduce when detecting, this application discloses a levelling device for resiliometer.

A leveling device for a resiliometer comprises a butting piece used for mounting the resiliometer and a guide frame surrounding the butting piece in a circle, wherein one end of the guide frame is provided with a guide space which penetrates through the guide frame in the axial direction and is used for accommodating the resiliometer, and one end of the guide frame is provided with a butting plane which is vertical to the axis of the resiliometer; the butt piece is including being used for with the butt flat board of resiliometer sense terminal lateral wall butt and connecting the biography power portion that slides between butt flat board and leading truck, the detection hole that supplies what resiliometer sense terminal passed and offset with the sense terminal lateral wall is seted up at the dull and stereotyped middle part of butt.

Through adopting above-mentioned technical scheme, wear to locate the dull and stereotyped measuring hole of butt with the sense terminal of resiliometer to pass power portion through sliding will transmit the effort of ordering about the resiliometer axis removal for the leading truck, thereby make the butt plane and the detection face of leading truck offset, with the straightness that hangs down of resiliometer and detection face when improving the detection.

Optionally, the guide frame comprises a plurality of long rods surrounding the abutting part for a circle and short rods connected between the end parts of two adjacent long rods; the middle part of direction space length direction is provided with the bracing piece that is used for supporting the resiliometer middle part, the bracing piece has a plurality of roots around the axis interval distribution of leading truck, bracing piece one end fixed connection in the axial middle part of stock, the axis of the directional leading truck of the other end that the bracing piece is relative, the support space who forms and the middle part lateral wall of resiliometer axis looks adaptation between the tip of the directional leading truck axis of a plurality of bracing pieces.

Through adopting above-mentioned technical scheme, stock and quarter butt concatenation form the leading truck, and the direction space is used for wearing to establish the resiliometer, thereby the bracing piece is connected on the stock and is provided the support to the one end that detects the face is kept away from to the resiliometer to improve the straightness that hangs down of resiliometer axis and detection face when detecting.

Optionally, a rolling groove is formed in one end, deviating from the long rod, of the support rod, a rotating shaft and a rotating shaft parallel detection surface are arranged in the rolling groove in a penetrating mode, and a rotating wheel used for being abutted to the outer side wall of the resiliometer is connected to the rotating shaft in a rotating mode.

Through adopting above-mentioned technical scheme, rotation axis connection is in rolling the inslot to be used for the installation to rotate the wheel, when the resiliometer removed along the leading truck axis, rotate the wheel through contacting and the rotation with the resiliometer, thereby reduce the friction between extension rod and the resiliometer lateral wall.

Optionally, a sliding groove is formed in one side, close to the axis of the guide frame, of the long rod, and the sliding groove is parallel to the axial direction of the guide frame; the sliding force transmission part comprises a sliding block and an expansion spring, the sliding block is connected with the butt flat plate in a sliding mode, and the expansion spring is fixedly connected between the end portion of the sliding groove and the sliding block.

Through adopting above-mentioned technical scheme, remove in the spout through the slider to make expanding spring take place deformation, the spout will lead the removal of slider, thereby the axis of the parallel leading truck of guarantee resiliometer removes, and the produced reaction force through expanding spring deformation orders about leading truck and check face and offsets.

Optionally, one side of the long rod, which is far away from the axis of the guide frame, is fixedly connected with an outward turning plate, and one side of the outward turning plate in the thickness direction is flush with the abutting plane.

Through adopting above-mentioned technical scheme, the board of turning up can increase the area of contact of butt plane and detection face to improve the connection stability ability between leading truck and the detection face.

Optionally, the end of the long rod where the outer turning plate is located is a butt end, the other end opposite to the long rod is a mounting end, and an anti-falling assembly which abuts against the handheld end of the detector is arranged on the mounting end.

Through adopting above-mentioned technical scheme, the anticreep part can reduce when examining, and the resiliometer drops from the installation end.

Optionally, the long rod, the support rod and the short rod are arranged in a hollow mode.

Through adopting above-mentioned technical scheme, hollow stock, bracing piece and quarter butt can alleviate the weight of leading truck.

Optionally, the hole wall of the detection hole is obliquely arranged, and the hole wall of the detection hole is attached to the outer side wall of the detection end of the resiliometer.

Through adopting above-mentioned technical scheme, thereby when detecting pore wall and the laminating of resiliometer and reducing resiliometer trend leading truck and detection face butt, the fish tail of guiding hole resiliometer lateral wall.

In summary, the present application has at least the following effects:

1. before the resiliometer is abutted against the detection surface, the abutting plane of the guide frame is abutted against the detection surface, so that the constraint and the guide are provided for the resiliometer, and the verticality between the resiliometer and the detection surface is improved during detection;

2. when the resiliometer is detected, the side wall of one end, far away from the detection surface, of the resiliometer is supported and limited through the support rod, so that the verticality between the resiliometer and the detection surface is improved;

3. the hollow long rod, the supporting rod and the short rod can reduce the weight of the guide frame.

Drawings

FIG. 1 is a schematic structural diagram of a working condition when a rebound tester is connected with a guide frame when a set of support rods is arranged in the embodiment of the application.

Fig. 2 is an enlarged structural schematic diagram of the abutting end in the embodiment of the present application.

Fig. 3 is an enlarged structural schematic diagram of the mounting end in the embodiment of the present application.

FIG. 4 is a schematic view of a working condition structure of the resiliometer when two sets of support rods are arranged and the guide frame is connected according to the embodiment of the present application

Description of reference numerals:

1. a detection end; 2. a handheld end; 3. an abutting member; 4. a guide frame; 5. a butting end; 6. an installation end; 7. a long rod; 8. a short bar; 9. an abutment plane; 10. an outer turning plate; 11. a support bar; 12. a rolling groove; 13. a rotating shaft; 14. a rotating wheel; 15. a chute; 16. abutting against the flat plate; 17. a sliding force transmission part; 18. a slider; 19. a tension spring; 20. a detection hole; 21. an anti-drop component; 22. pulling a rope; 23. hooking; 24. and (5) hanging a ring.

Detailed Description

Referring to fig. 1 and 2, the extending end of the rebound apparatus striking rod is a detection end 1 of the apparatus, the opposite end is a handheld end 2, the outer side wall of the rebound apparatus detection end 1 is inclined, and the section gradually shrinks to be close to the middle of the axis of the rebound apparatus.

A leveling device for a rebound device comprises an abutting piece 3 for coaxially mounting a detection end 1 of the rebound device and a guide frame 4 arranged around the abutting piece 3 in a circle.

One axial end of the guide frame 4 is a butt end 5, and the other opposite end of the guide frame 4 is a mounting end 6. Guide frame 4 includes stock 7 and quarter butt 8, and stock 7 is provided with a plurality of roots around 3 lateral wall a week of butt piece, and stock 7 has four in this application implementation. Four stock 7 enclose and close and form the direction space perpendicular with the detection face, resiliometer sliding connection is in the direction space. One end of the long rod 7, which is positioned at the abutting end 5, is provided with an abutting plane 9, and the abutting plane 9 is perpendicular to the axis of the resiliometer and the axis of the guide frame 4.

One side of the long rod 7 departing from the axis of the guide frame 4 is fixedly connected with an outer turning plate 10, and the outer turning plate 10 is positioned at the butt joint end 5 of the guide frame 4. The thickness direction of the outer flap 10 is parallel to the axis of the long rod 7, and one side of the outer flap 10 in the thickness direction is flush with the abutment plane 9.

Referring to fig. 1 and 3, the long rod 7 is close to the equal fixedly connected with bracing piece 11 in one side of 4 axes of leading truck, and the bracing piece 11 is provided with N groups along the axis direction of resiliometer, and every group all encircles the axis of leading truck 4 and is provided with M, and M more than or equal to 3, and M is the integer. In the embodiment of the present application, N is 1, and the support rod 11 is provided with one set. N also can be more than or equal to 2 and be the integer, refer to FIG. 4, and two sets of bracing pieces 11 set up at interval each other, can improve the supporting role of leading truck 4 to resiliometer.

Referring to fig. 1 and 3 again, the axis of the support rod 11 is perpendicular to the axis of the guide frame 4, the support rod 11 is close to the mounting end 6 of the guide frame 4, a rolling groove 12 is formed in one end of the support rod 11, which is far away from the long rod 7, and a rotating shaft 13 and a rotating wheel 14 are arranged in the rolling groove 12.

Two ends of the rotating shaft 13 penetrate through the groove walls at two sides of the rolling groove 12, the axis of the rotating shaft 13 is perpendicular to the axis of the supporting rod 11, and the axis of the rotating shaft 13 is perpendicular to the axis of the guide frame 4. The rotating wheel 14 is coaxially sleeved on the rotating shaft 13, and the rotating wheel 14 is connected with the rotating shaft 13 in a relatively rotating manner. Support space of cooperation resiliometer cross section is formed between four and rotates wheel 14, and when the resiliometer stretched into to support space, it offsets with the lateral wall that the resiliometer is close to handheld end 2 to rotate wheel 14.

One side that stock 7 is close to 4 axes of leading truck has still all seted up spout 15, the parallel axial of leading truck 4 of length direction of spout 15, and spout 15 is close to the butt end 5 of leading truck 4.

The short rod 8 is fixedly connected between the end parts of two adjacent long rods 7, and the axis of the short rod 8 is vertical to the axis of the long rod 7 on which the short rod is arranged. The short rod 8, the long rod 7 and the support rod 11 are all arranged in a hollow mode, and the weight of the guide frame 4 can be reduced.

The abutment member 3 comprises an abutment plate 16 and a plurality of slip force transmitting portions 17 connected to the peripheral side wall of the abutment plate 16.

Referring to fig. 2 and 3, four sliding force transmission parts 17 are provided corresponding to the long rod 7, and each sliding force transmission part 17 comprises a sliding block 18 and a telescopic spring 19. The sliding block 18 is connected in the sliding groove 15 in a sliding mode, the sliding block 18 is matched with the sliding groove 15, and one side, close to the axis of the guide frame 4, of the sliding block 18 is fixedly connected with the peripheral side wall of the abutting flat plate 16.

The expansion spring 19 is abutted between the slide block 18 and one end groove wall of the slide groove 15 close to the abutting end 5.

The middle part of the butt flat plate 16 is coaxially provided with a through detection hole 20, the hole wall of the detection hole 20 and the outer side wall of the detection end 1 are arranged in the same inclined mode, and the detection hole 20 is in a bucket shape. The smaller end of the detection hole 20 is close to the detection end 1 of the detection guide frame 4. The smaller end of the detection hole 20 has a diameter size larger than that of the detection end 1 and smaller than that of the handheld end 2.

Stretch into the sense terminal 1 with the resiliometer to the inspection hole 20 in, the lateral wall of sense terminal 1 will laminate with the pore wall of inspection hole 20, and the drive resiliometer is close to the detection face this moment, and butt plane 9 and outer board 10 that turns over will laminate with the detection face to make the axis and the detection face of resiliometer perpendicular.

At resiliometer removal in-process, expanding spring 19 compression deformation to the cell wall in butt joint groove, the guide bar produces the effort of directional detection face promptly, thereby makes butt plane 9 and board 10 and the detection face of turning up closely laminate, reduces the probability that leading truck 4 inclines when detecting.

The installation end 6 of the guide frame 4 is further connected with an anti-dropping assembly 21, and the anti-dropping assembly 21 comprises a pull rope 22, a hook 23 and a hanging ring 24. The pull rope 22 passes through the axis of the guide frame 4, one end of the pull rope 22 is fixedly connected with one end of the long rod 7 positioned at the installation end 6, and the other end of the pull rope 22, which is back to back, is fixedly connected with the hook 23.

The long rod 7 with the hanging ring 24 is fixedly connected with one end of the long rod 7 positioned at the mounting end 6, and the long rod 7 with the hanging ring 24 is arranged opposite to the long rod 7 with the pull rope 22 and is respectively positioned at two radial ends of the guide frame 4. The hook 23 is hung and buckled on the hanging ring 24, the outer side wall of the detection end 1 of the resiliometer is attached to the hole wall of the detection hole 20, and when the sliding block 18 and the sliding groove 15 are flexibly driven to deviate from the groove wall of one end of the abutting end 5 to abut against, the pull rope 22 is in a tight state and abuts against the handheld end 2 of the resiliometer.

The application relates to an implementation principle of a resiliometer leveling device: the detection end 1 of the resiliometer coaxially extends into the guide space, the outer wall of the detection end 1 is attached to the hole wall of the detection hole 20 in the abutting flat plate 16, and meanwhile the outer wall side of the resiliometer abuts against the rotating wheel 14.

Then the hook 23 on the pull rope 22 is buckled on the hanging ring 24 to limit the handheld end 2 of the resiliometer.

During the detection, propelling movement resiliometer through the portion of biography power of sliding 17, makes the butt plane 9 of stock 7 offset with the detection face earlier, then passes the sense terminal 1 of resiliometer during the removal of the portion of biography power of sliding 17 and offsets with the detection face to guarantee that the resiliometer axis is perpendicular with the detection face axis, guarantee the precision of detecting. The rotating wheel 14 rotates while the rebound apparatus moves, reducing the probability that the support rod 11 will scratch the rebound apparatus, and facilitating the movement of the rebound apparatus in the axial direction of the guide frame 4.

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

Claims

1. The utility model provides a levelling device for resiliometer which characterized in that: the elastic rebound device comprises a butting part (3) for mounting the rebound device and a guide frame (4) surrounding the butting part (3) in a circle, wherein one end of the guide frame (4) is provided with a guide space which is axially communicated along the guide frame (4) and used for accommodating the rebound device, and one end of the guide frame (4) is provided with a butting plane (9) vertical to the axis of the rebound device; the abutting part (3) comprises an abutting flat plate (16) used for abutting against the outer side wall of the detection end (1) of the resiliometer and a sliding force transmission part (17) connected between the abutting flat plate (16) and the guide frame (4), and a detection hole (20) which is used for the detection end (1) of the resiliometer to penetrate through and abuts against the outer side wall of the detection end (1) is formed in the middle of the abutting flat plate (16).

2. The leveling device for the rebound apparatus according to claim 1, wherein: the guide frame (4) comprises a plurality of long rods (7) surrounding the abutting part (3) for one circle and short rods (8) connected between the end parts of two adjacent long rods (7); the middle part of direction space length direction is provided with bracing piece (11) that are used for supporting the resiliometer middle part, bracing piece (11) have a plurality of roots around the axis interval distribution of leading truck (4), bracing piece (11) one end fixed connection in stock (7) axial middle part, the axis of the directional leading truck (4) of the other end that bracing piece (11) is relative, form the support space with the middle part lateral wall of resiliometer axis looks adaptation between the tip of the directional leading truck (4) axis of a plurality of bracing pieces (11).

3. The leveling device for the rebound apparatus according to claim 2, wherein: roll groove (12) have been seted up to the one end that bracing piece (11) deviate from stock (7), wear to be equipped with axis of rotation (13) in roll groove (12), axis of rotation (13) parallel detection face, rotate on axis of rotation (13) and be connected with rotation wheel (14) that are used for with resiliometer lateral wall looks butt.

4. The leveling device for the rebound apparatus according to claim 2, wherein: one side of the long rod (7) close to the axis of the guide frame (4) is provided with a sliding chute (15), and the sliding chute (15) is parallel to the axis of the guide frame (4); the sliding force transmission part (17) comprises a sliding block and an expansion spring (19) which are connected in the sliding groove (15) in a sliding mode, the sliding block is fixedly connected with the butt flat plate (16), and the expansion spring (19) is fixedly connected between the end part of the sliding groove (15) and the sliding block (18).

5. The leveling device for the rebound apparatus according to claim 2, wherein: one side of the long rod (7) departing from the axis of the guide frame (4) is fixedly connected with an outer turning plate (10), and one side of the outer turning plate (10) in the thickness direction is flush with the abutting plane (9).

6. The leveling device for the rebound apparatus according to claim 5, wherein: the end part of a long rod (7) where the outer turning plate (10) is located is a butt joint end (5), the other end, opposite to the long rod (7), of the outer turning plate is a mounting end (6), and an anti-falling component (21) which is in butt joint with the handheld end (2) of the detector is arranged on the mounting end (6).

7. The leveling device for the rebound apparatus according to claim 2, wherein: the long rod (7), the support rod (11) and the short rod (8) are arranged in a hollow mode.

8. The leveling device for the rebound apparatus according to claim 1, wherein: the hole wall of the detection hole (20) is obliquely arranged, and the hole wall of the detection hole (20) is attached to the outer side wall of the detection end (1) of the resiliometer.