CN212932271U

CN212932271U - Concrete resiliometer

Info

Publication number: CN212932271U
Application number: CN202021909674.0U
Authority: CN
Inventors: 薛强; 季明德
Original assignee: Shanghai Rongji Engineering Project Management Co ltd
Current assignee: Shanghai Rongji Engineering Project Management Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-04-09
Anticipated expiration: 2030-09-03

Abstract

The utility model relates to a concrete resiliometer relates to concrete strength check out test set's technical field, and it includes casing and impact rod, the impact rod is located the one end of casing, the relative both sides at casing middle part are fixed with the fixed plate, each be formed with the guiding hole along casing length direction on the fixed plate, wear to be equipped with on the fixed plate and slide complex connecting rod with the guiding hole, one side that the impact rod deviates from the casing is equipped with the conflict piece, the one end that is close to the impact rod at the connecting rod is established to the conflict piece, the conflict piece deviates from one side of impact rod and is perpendicular with the axis of impact rod, the cover is equipped with the spring on the connecting rod, the both ends of spring are contradicted with conflict piece, fixed plate respectively, be equipped with on the connecting rod and carry out spacing locating part to the connecting rod, the one end that the casing deviates from the impact rod is. This application has the detection precision that improves concrete resiliometer.

Description

Concrete resiliometer

Technical Field

The application relates to the technical field of concrete strength detection equipment, in particular to a concrete resiliometer.

Background

The concrete resiliometer is a detection device, is suitable for detecting the strength of general building elements, bridges and various concrete elements (plates, beams, columns and bridges), and has an impact function as a main technical indicator; the rigidity of the tension spring is flicked; a percussion hammer stroke; the maximum static friction and the rate of penetration of the pointer system are averaged.

The concrete resiliometer includes the casing, and the inside of casing slides along its axial and is provided with central guide arm, and the outside fixedly connected with striking rod that central guide arm is located the casing, and striking rod and central guide arm are coaxial, are connected with the spring between striking rod and the shells inner wall, and the one end of striking rod is provided with the elastic hammer. When detecting the concrete, thereby the compressive strength of concrete spare is obtained through the numerical value that shows on the casing to the impact of bullet hitting the pole to the concrete sample.

In the correlation technique, because the cross sectional area of the tapping rod is less, the perpendicular to the surface of the concrete of the tapping rod can not be guaranteed, the shell is also directly pushed by a hand of an operator, the shell vibrates continuously in the vibrating process of the tapping rod, the tapping rod is difficult to be guaranteed to be always perpendicular to the concrete sample, and finally the detection result is inaccurate.

SUMMERY OF THE UTILITY MODEL

In order to improve concrete resiliometer's detection precision, this application provides a concrete resiliometer.

The application provides a concrete resiliometer adopts following technical scheme:

the utility model provides a concrete resiliometer, includes casing and impact rod, the impact rod is located the one end of casing, the relative both sides at casing middle part are fixed with the fixed plate, each be formed with the guiding hole along casing length direction on the fixed plate, wear to be equipped with on the fixed plate and slide complex connecting rod with the guiding hole, one side that the impact rod deviates from the casing is equipped with the touch multitouch, touch multitouch establishes the one end that is close to the impact rod at the connecting rod, the touch multitouch deviates from one side of impact rod and is perpendicular with the axis of impact rod, the cover is equipped with the spring on the connecting rod, the both ends of spring are contradicted with touch multitouch, fixed plate respectively, be equipped with on the connecting rod and carry out spacing locating part to the connecting rod, the one end that the casing deviates from.

Through adopting above-mentioned technical scheme, when detecting the compressive strength of concrete, contact ground through the conflict piece, carry out the application of force to the handle, the vertical downstream of casing, because the guiding motion of connecting rod and fixed plate, the spring between connecting rod and the fixed plate receives the compression, has guaranteed the bouncing rod perpendicular to concrete sample all the time, has improved the detection precision of concrete resiliometer.

Preferably, the side of fixed plate is formed with the mounting hole, be formed with the locating hole on the connecting rod, when the locating part is spacing to the connecting rod, the axis collineation of mounting hole and locating hole, it has the fixed pin to peg graft in the mounting hole, the fixed pin is worn into the position locking of mounting hole, locating hole pair connecting rod in proper order.

Through adopting above-mentioned technical scheme, when not using, the fixed pin passes mounting hole, locating hole in proper order, locks the position of connecting rod, has reduced the collision that tapping pole and other objects take place.

Preferably, the limiting part is a limiting pin, and a limiting hole in inserting fit with the limiting pin is arranged on the connecting rod in a penetrating manner.

Through adopting above-mentioned technical scheme, during the spacer pin penetrated the connecting rod, the spacer pin carried on spacingly to the connecting rod, effectively prevented the connecting rod and breaks away from with the fixed plate in the use.

Preferably, the fixing plate is fixed to the housing by bolts.

Through adopting above-mentioned technical scheme, the fixed mode of detachable is convenient for install the fixed plate.

Preferably, a positioning part is arranged on the fixing plate, and a positioning groove matched with the positioning part in a positioning manner is formed on the shell.

Through adopting above-mentioned technical scheme, location portion and the location cooperation of constant head tank are convenient for install the fixed plate fast.

Preferably, a pedal is arranged on the opposite side surface of the touch block.

Through adopting above-mentioned technical scheme, the pedal is convenient for survey crew to trample, effectively prevents the position change of contact block in the use.

Preferably, the handle is adjustable in the length direction of the shell.

Through adopting above-mentioned technical scheme, in the in-service use, through the position of adjusting the handle for the handle is applicable to the crowd in the certain limit.

Preferably, a sliding groove along the length direction of the shell is formed in the shell, a sliding block is arranged in the sliding groove, the handle is fixed on the sliding block, a locking bolt is in threaded fit on the sliding block, and the locking bolt penetrates through the sliding block and is abutted and fixed with the sliding groove.

By adopting the technical scheme, when the position of the handle is adjusted, the locking bolt is unscrewed, the sliding block slides to a proper position, and the locking bolt is screwed down to lock the position of the sliding block. Through the adjustment of the locking bolt, the handle is suitable for people in a certain range.

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

when the compressive strength of concrete is detected, the contact part contacts the ground to apply force to the handle, the shell vertically moves downwards, and the spring between the connecting rod and the fixed plate is compressed due to the guiding movement of the connecting rod and the fixed plate, so that the elastic striking rod is always perpendicular to a concrete sample, and the detection accuracy of the concrete resiliometer is improved;

when the elastic shock rod is not used, the fixing pin sequentially penetrates through the mounting hole and the positioning hole to lock the position of the connecting rod, so that the collision between the elastic shock rod and other objects is reduced;

in actual use, the position of the handle is adjusted, so that the handle is suitable for people in a certain range.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is an exploded view of FIG. 1, showing primarily the connection of the mounting plate, slide and housing;

fig. 3 is an exploded view of the connecting rod, the limiting member and the fixing pin in fig. 1.

Description of reference numerals: 1. a housing; 11. positioning a groove; 12. a sliding groove; 2. a tapping rod; 3. a fixing plate; 31. a guide hole; 32. mounting holes; 4. a connecting rod; 41. positioning holes; 42. a limiting hole; 5. a contact block; 6. a spring; 7. a limiting member; 8. a grip; 9. a fixing pin; 10. treading a pedal; 20. a slider; 30. locking the bolt; 40. mounting a plate; 401. a positioning part.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses concrete resiliometer. Referring to fig. 1 and 2, the concrete rebound apparatus includes a housing 1 and a tapping rod 2, the tapping rod 2 being located at one end of the housing 1. Fixed plate 3 is fixed with in the relative both sides at 1 middle part of casing, be formed with the guiding hole 31 along 1 axis direction of casing on each fixed plate 3, connecting rod 4 is worn to be equipped with in the guiding hole 31 cunning, a tip of connecting rod 4 is fixed with and is the annular conflict piece 5 of circle, two connecting rods 4 are located the both ends of conflict piece 5 respectively, install the cover between fixed plate 3 and the conflict piece 5 and establish spring 6 on connecting rod 4, the both ends of spring 6 respectively with conflict piece 5, fixed plate 3 is contradicted, the one end fixed mounting that casing 1 deviates from impact rod 2 has handle 8. Under initial state, conflict piece 5 is located one side that the impact rod 2 deviates from casing 1, and a side of conflict piece 5 is contradicted at the concrete test piece, holds handle 8 and promotes casing 1 along the axis of casing 1, has guaranteed that impact rod 2 is perpendicular to concrete test piece all the time, has improved concrete resiliometer's detection precision.

Referring to fig. 1, the end of the fixing plate 3 is fixed with a mounting plate 40 attached to the side of the housing 1, and the mounting plate 40 is fixed to the housing 1 by bolts, i.e., the fixing plate 3 is detachably and fixedly connected to the housing 1, so that the fixing plate 3 is conveniently mounted.

Referring to fig. 2, a positioning groove 11 is formed on the housing 1, and a positioning portion 401 is integrally formed on one side of the mounting backplate departing from the fixing plate 3, and the positioning portion 401 is in positioning fit with the positioning groove 11. In the present application, the positioning portion 401 has a cylindrical shape. Through the location cooperation of location portion 401 and constant head tank 11, be convenient for install fixed plate 3 fast.

Referring to fig. 2 and 3, a limiting member 7 for limiting the connecting rod 4 is mounted on the connecting rod 4, and the limiting member 7 is selected as a limiting pin. A limiting hole 42 is formed on the circumferential surface of the connecting rod 4, and the limiting hole 42 is in inserted fit with the limiting pin. During the spacer pin penetrated connecting rod 4, the spacer pin was spacing to connecting rod 4, effectively prevented connecting rod 4 and fixed plate 3 break away from in the use.

Referring to fig. 2 and 3, the fixing plate 3 has a mounting hole 32 formed at a side surface thereof, and the connection rod 4 has a positioning hole 41 formed at a side surface thereof. When the limiting pin limits the connecting rod 4, the limiting pin is abutted to the fixing plate 3, and at the moment, the mounting hole 32 is collinear with the axis of the positioning hole 41. A fixing pin 9 is inserted into the mounting hole 32, and the fixing pin 9 sequentially penetrates through the mounting hole 32 and the positioning hole 41 to lock the position of the connecting rod 4. When the elastic striking rod is not used, the fixing pin 9 sequentially penetrates through the mounting hole 32 and the positioning hole 41 to lock the position of the connecting rod 4, and collision between the elastic striking rod 2 and other objects is reduced.

Referring to fig. 2, the grip 8 is adjustably provided in the longitudinal direction of the housing 1. The surface of the shell 1 is provided with a sliding groove 12 along the length direction of the shell 1, the section of the sliding groove 12 is in a T-shaped arrangement, a sliding block 20 protruding out of the surface of the shell 1 is installed in the sliding groove 12, the handle 8 is fixed on the surface of the sliding block 20, a locking bolt 30 is in threaded fit on the sliding block 20, and the locking bolt 30 penetrates through the sliding block 20 and is tightly abutted and fixed with the sliding groove 12. When the position of the grip 8 is adjusted, the locking bolt 30 is loosened, the slider 20 is slid to a proper position, and the locking bolt 30 is tightened to lock the position of the slider 20. Through the adjustment of the locking bolt 30, the handle 8 is suitable for people in a certain range.

Referring to fig. 1, a pedal 10 is fixed on the opposite side of the interference block 5, and the pedal 10 is disposed corresponding to the connecting rod 4. The pedal 10 is convenient for a measurer to pedal, and effectively prevents the position of the contact block 5 from changing in the using process.

The implementation principle of this application embodiment concrete resiliometer does:

and assembling the concrete resiliometer. During the use, adjust handle 8 to suitable position, extract fixed pin 9, contradict the concrete test piece with the surface of touch multitouch 5, press casing 1 through handle 8 for 2 perpendicular to contact concrete test pieces all the time of impact rod have improved the detection precision of concrete resiliometer. After the use is finished, under the action of the elastic force of the spring 6, the fixing plate 3 is abutted against the limiting pin, and the fixing pin 9 is inserted into the mounting hole 32 and the positioning hole 41 again, so that the installation and the use are convenient.

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 concrete resiliometer, includes casing (1) and tapping pole (2), tapping pole (2) are located the one end of casing (1), its characterized in that: fixing plates (3) are fixed on two opposite sides of the middle part of the shell (1), a guide hole (31) along the length direction of the shell (1) is formed on each fixing plate (3), a connecting rod (4) matched with the guide hole (31) in a sliding way is arranged on the fixed plate (3) in a penetrating way, one side of the striking rod (2) departing from the shell (1) is provided with a contact block (5), the contact block (5) is arranged at one end of the connecting rod (4) close to the striking rod (2), one side of the contact block (5) departing from the tapping rod (2) is vertical to the axis of the tapping rod (2), a spring (6) is sleeved on the connecting rod (4), two ends of the spring (6) are respectively abutted against the abutting block (5) and the fixing plate (3), the connecting rod (4) is provided with a limiting part (7) for limiting the connecting rod (4), and a grip (8) is arranged at one end of the shell (1) deviating from the striking rod (2).

2. The concrete resiliometer of claim 1, wherein: the side of fixed plate (3) is formed with mounting hole (32), be formed with locating hole (41) on connecting rod (4), locating part (7) when connecting rod (4) are spacing, the axis collineation of mounting hole (32) and locating hole (41), it has fixed pin (9) to peg graft in mounting hole (32), fixed pin (9) are worn into mounting hole (32), locating hole (41) in proper order and are locked the position of connecting rod (4).

3. The concrete resiliometer of claim 2, wherein: the limiting part (7) is a limiting pin, and a limiting hole (42) which is in plug-in fit with the limiting pin is arranged on the connecting rod (4) in a penetrating mode.

4. The concrete resiliometer of claim 1, wherein: the fixing plate (3) is fixed with the shell (1) through bolts.

5. The concrete resiliometer of claim 4, wherein: the fixing plate (3) is provided with a positioning part (401), and the shell (1) is provided with a positioning groove (11) which is matched with the positioning part (401) in a positioning way.

6. The concrete resiliometer of claim 1, wherein: and a pedal (10) is arranged on the opposite side surface of the contact block (5).

7. The concrete resiliometer of claim 1, wherein: the handle (8) is arranged in the length direction of the shell (1) in an adjustable mode.

8. The concrete resiliometer of claim 7, wherein: the handle is characterized in that a sliding groove (12) along the length direction of the shell (1) is formed in the shell (1), a sliding block (20) is arranged in the sliding groove (12), the handle (8) is fixed on the sliding block (20), a locking bolt (30) is matched with the sliding block (20) in a threaded mode, and the locking bolt (30) penetrates through the sliding block (20) and is abutted and fixed with the sliding groove (12).