CN217505522U

CN217505522U - Hardness detection device for bridge safety detection

Info

Publication number: CN217505522U
Application number: CN202123267368.9U
Authority: CN
Inventors: 周长刚; 张贝; 侯承震; 李冬; 宋威
Original assignee: Zhongjitong Jiangsu Engineering Testing Co ltd
Current assignee: Zhongjitong Jiangsu Engineering Testing Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-09-27
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a be used for bridge hardness detection device for safety inspection relates to bridge safety inspection technical field, this be used for bridge hardness detection device for safety inspection, include mounting substrate and install the fixed branch on mounting substrate outer both sides surface, its characterized in that: the surface of one side of each of the two fixed supporting rods is provided with a connecting mechanism, inserting grooves are uniformly distributed on the surface of the top end of the mounting substrate on one side of each fixed supporting rod, the inner wall of each inserting groove is movably provided with a protective shell, and the surface of the top end of the mounting substrate on one side of each inserting groove is provided with a vertical supporting rod. The utility model discloses a protective housing and mounting substrate form outside protection architecture for inside resiliometer body can not damaged at the removal in-process, has improved the security performance of resiliometer body, responds to whether the resiliometer body is in the vertical state through balanced mechanism, and adjusts through adjustment mechanism, has guaranteed the accuracy that the structure was measured to the resiliometer body.

Description

Hardness detection device for bridge safety detection

Technical Field

The utility model relates to a bridge safety inspection technical field specifically is a be used for bridge hardness testing device for safety inspection.

Background

The bridge is a building constructed for a road to cross natural or artificial barriers, is erected on rivers, lakes and seas, and enables vehicles, pedestrians and the like to smoothly pass through, and generally consists of an upper structure, a lower structure and an auxiliary structure, wherein the upper structure mainly refers to a bridge-crossing structure and a support system; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like. Various structural damages are inevitable to occur in the long-term use process of the bridge, and the bridge detection is to evaluate the bridge according to actual conditions.

The rebound method is a method of detecting the compressive strength of concrete using a rebound tester. The resiliometer is a mechanical nondestructive testing instrument, and because a certain relation exists between the compressive strength of concrete and the surface hardness of the concrete, and a rebound hammer of the resiliometer is hit on the surface of the concrete by a certain elastic force, the rebound height (the rebound value read by the resiliometer) of the resiliometer is in a certain proportional relation with the surface hardness of the concrete. The device for detecting the compressive strength of the concrete by the rebound method is simple, convenient to operate and rapid in test, so that the device is used more in field direct measurement. However, the usage standard of the resiliometer needs to use the resiliometer and the measurement target vertically, and due to some special shapes of the bridge, the difficulty of measurement is increased, the requirement of vertical detection cannot be met, and the deviation of the detection result is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be used for bridge hardness detection device for safety inspection possesses simple to operate, detects the accurate advantage of structure to solve because some special shapes of bridge can lead to the measuring work degree of difficulty to improve, can't reach the requirement of perpendicular detection, lead to the problem that the deviation appears in the testing result easily.

For realizing simple to operate, detect the accurate purpose of structure, the utility model provides a following technical scheme: the utility model provides a hardness detection device for bridge safety inspection, includes mounting substrate and installs the fixed branch on the outer both sides surface of mounting substrate, two coupling mechanism is all installed on one side surface of fixed branch, the mounting substrate top surface evenly distributed of fixed branch one side has the inserting groove, the inner wall movable mounting of inserting groove has protective housing, the mounting substrate top surface mounting of inserting groove one side has perpendicular branch, the top movable mounting of perpendicular branch has horizontal plectane, the internally mounted of horizontal plectane has balance mechanism, the bottom surface mounting of horizontal plectane has adjustment mechanism, perpendicular spacing groove has been seted up on the top surface of horizontal plectane, the inner wall movable mounting of perpendicular spacing groove has the resiliometer body.

As a preferred technical scheme of the utility model, coupling mechanism includes fixed couple and coupling assembling, and a side surface of two fixed branch has all been seted up and has been run through the groove, and the inner wall that runs through the groove all movable mounting have the connection counter roll, and the terminal surface of connecting the counter roll is connected with the holding rod jointly.

As a preferred technical scheme of the utility model, the balanced mechanism is including responding to groove and balanced subassembly, and the response groove has been seted up to the inside of horizontal plectane, and balanced subassembly is installed to the inner wall in response groove.

As a preferred technical scheme of the utility model, balanced subassembly includes the moving contact and decides the contact, and the inner wall evenly distributed in response groove has decides the contact, decides the inner wall movable mounting in the response groove of contact one side have the magnetism ball, and the outside evenly distributed of magnetism ball has the moving contact, and the horizontal plectane internally mounted in the response groove outside has magnetism to inhale the piece.

As the utility model discloses a preferred technical scheme, adjustment mechanism includes adjusting part and spacing subassembly, and the bottom surface mounting of horizontal plectane has adjusting part, and the mounting substrate top surface mounting of adjusting part below has spacing subassembly.

As the utility model discloses a preferred technical scheme, adjusting part is including installation branch and counter weight ball, and the bottom surface evenly distributed of horizontal plectane has installation branch, and the counter weight ball is all installed on the bottom surface of installation branch.

As an optimized technical scheme of the utility model, spacing subassembly includes elasticity bag and electrorheological fluids, and the mounting substrate top surface mounting of counter weight ball below has the elasticity bag, and the inside packing of elasticity bag has the electrorheological fluids.

Compared with the prior art, the utility model provides a be used for bridge hardness detection device for safety inspection possesses following beneficial effect:

1. this be used for bridge hardness detection device for safety inspection, protective housing and mounting substrate form outside protection architecture for inside resiliometer body can not damaged at the removal in-process, has improved the security performance of resiliometer body, responds to whether the resiliometer body is in the vertical state through balance mechanism, and adjusts through adjustment mechanism, has guaranteed the accuracy that the structure was measured to the resiliometer body.

2. This be used for bridge hardness detection device for safety inspection, can communicate mounting substrate protection casing whole with removing through the holding rod, conveniently carry, be convenient for detect the different positions of bridge in the bridge testing process, when needing to measure, take out the connecting fulcrum axle from running through the groove, take off the holding rod, then with protection casing from the separation in the plug-in groove, expose the resiliometer body, the inflation screw is squeezed into in the position department of measuring, connect fixed branch on the inflation screw through drive mechanism, conveniently fix the resiliometer body.

3. This be used for bridge hardness detection device for safety inspection, when mounting substrate is not in the horizontality, the resiliometer body is out of plumb, and horizontal plectane also can't keep the level this moment, and the magnetism ball rolls in response inslot portion, drives and decides the contact and move the contact, decides contact electric connection to power supply, and power supply adopts the battery, and move contact electric connection to control circuit, control circuit electric connection to electrorheological fluids.

4. This a hardness detection device for bridge safety inspection, when contact and moving contact, make the circuit disconnection, when the electrorheological fluids did not switch on, become liquid from the solid-state, horizontal plectane is in the active state this moment, under the dead weight of counter weight ball is controlled, drive horizontal plectane and return to the straight automatically, make it be in the horizontal state, magnetism that magnetism ball and magnetism piece correspond takes is opposite, consequently, it is that when horizontal plectane is in the horizontal state, the magnetic ball is automatic to get back to induction tank central point department, the circuit disconnection, the electrorheological fluids switches on once more and becomes solid-state, fix horizontal plectane in horizontal position department, the resiliometer body keeps perpendicularly this moment, the accuracy of measuring result has been guaranteed.

Drawings

FIG. 1 is a schematic view of the external structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural diagram of a portion a in fig. 2 according to the present invention.

In the figure: 1. a mounting substrate; 2. fixing the supporting rod; 3. inserting grooves; 4. a protective housing; 5. a vertical strut; 6. a horizontal circular plate; 7. a vertical limit groove; 8. a resiliometer body; 9. electrorheological fluid; 10. a through groove; 11. connecting a fulcrum; 12. a hand-held lever; 13. an induction tank; 14. fixing a contact; 15. a magnetic ball; 16. a moving contact; 17. a magnetic block; 18. mounting a support rod; 19. a counterweight ball; 20. an elastic bag.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model discloses a hardness testing device for bridge safety testing, which comprises a mounting substrate 1 and fixing support rods 2 arranged on the outer two side surfaces of the mounting substrate 1, wherein one side surface of each of the two fixing support rods 2 is provided with a connecting mechanism, the top surface of the mounting substrate 1 on one side of the fixing support rod 2 is uniformly distributed with an inserting groove 3, the inner wall of the inserting groove 3 is movably provided with a protective shell 4, the top surface of the mounting substrate 1 on one side of the inserting groove 3 is provided with a vertical support rod 5, the top of the vertical support rod 5 is movably provided with a horizontal circular plate 6, the horizontal circular plate 6 is internally provided with a balance mechanism, the bottom surface of the horizontal circular plate 6 is provided with an adjusting mechanism, the top surface of the horizontal circular plate 6 is provided with a vertical limiting groove 7, the inner wall of the vertical limiting groove 7 is movably provided with a resiliometer body 8, the protective shell 4 and the mounting substrate 1 form an external protective structure, make inside resiliometer body 8 can not damaged at the removal in-process, improved resiliometer body 8's security performance, whether be in the vertical state through balance mechanism response resiliometer body 8 to adjust through adjustment mechanism, guaranteed 8 measurement of resiliometer body structure's accuracy.

Concretely, coupling mechanism includes fixed couple and coupling assembling, a side surface of two fixed branch 2 has all been seted up and has been run through groove 10, the equal movable mounting of inner wall that runs through groove 10 has connection fulcrum 11, the terminal surface of connection fulcrum 11 is connected with holding rod 12 jointly, can remove mounting substrate 1 intercommunication protective housing 4 is whole through holding rod 12, conveniently carry, be convenient for detect the different positions of bridge in bridge testing process, when needing to measure, will connect fulcrum 11 and take out from running through groove 10, take off holding rod 12, then separate protective housing 4 from grafting groove 3, expose resiliometer body 8, squeeze into the inflation screw in the position department of awaiting measuring, connect fixed branch 2 on the inflation screw through drive mechanism, conveniently fix resiliometer body 8.

Further, the balance mechanism comprises an induction groove 13 and a balance component, the induction groove 13 is arranged in the horizontal circular plate 6, the balance component is arranged on the inner wall of the induction groove 13, the balance component comprises a moving contact 16 and a fixed contact 14, the fixed contact 14 is uniformly distributed on the inner wall of the induction groove 13, a magnetic ball 15 is movably arranged on the inner wall of the induction groove 13 at one side of the fixed contact 14, the moving contact 16 is uniformly distributed on the outer side of the magnetic ball 15, a magnetic suction block 17 is arranged in the horizontal circular plate 6 at the outer side of the induction groove 13, when the mounting substrate 1 is not in a horizontal state, the resiliometer body 8 is not vertical, the horizontal circular plate 6 cannot be kept horizontal at the moment, the magnetic ball 15 rolls in the induction groove 13 to drive the fixed contact 14 to contact with the movable contact 16, the fixed contact 14 is electrically connected to a power supply, the power supply adopts a battery, the movable contact 16 is electrically connected to a control circuit, and the control circuit is electrically connected to the electrorheological fluid 9.

Furthermore, the adjusting mechanism comprises an adjusting component and a limiting component, the bottom end surface of the horizontal circular plate 6 is provided with the adjusting component, the top end surface of the mounting substrate 1 below the adjusting component is provided with the limiting component, the adjusting component comprises a mounting support rod 18 and a counterweight ball 19, the bottom end surface of the horizontal circular plate 6 is uniformly distributed with the mounting support rod 18, the bottom end surface of the mounting support rod 18 is provided with the counterweight ball 19, the limiting component comprises an elastic bag 20 and an electrorheological fluid 9, the top end surface of the mounting substrate 1 below the counterweight ball 19 is provided with the elastic bag 20, the interior of the elastic bag 20 is filled with the electrorheological fluid 9, when the fixed contact 14 is contacted with the movable contact 16, a circuit is disconnected, when the electrorheological fluid 9 is not electrified, the electrorheological fluid is changed from a solid state to a liquid state, at the moment, the horizontal circular plate 6 is in a movable state, and under the left and right dead weight of the counterweight ball 19, the horizontal circular plate 6 is driven to automatically return to be in a horizontal state, the magnetism of the corresponding surface of the magnetic ball 15 and the magnetism of the magnetic block 17 is opposite, so when the horizontal circular plate 6 is in a horizontal state, the magnetic ball 15 automatically returns to the central position of the induction groove 13, the circuit is disconnected, the electrorheological fluid 9 is electrified again to become a solid state, the horizontal circular plate 6 is fixed at the horizontal position, the resiliometer body 8 is kept vertical at the moment, and the accuracy of the measuring result is ensured.

The utility model discloses a theory of operation and use flow: the protective shell 4 and the mounting substrate 1 form an external protective structure, so that the internal resiliometer body 8 cannot be damaged in the moving process, the safety performance of the resiliometer body 8 is improved, whether the resiliometer body 8 is in a vertical state or not is sensed through the balance mechanism, and the adjustment is carried out through the adjusting mechanism, so that the accuracy of the measuring structure of the resiliometer body 8 is ensured;

the mounting substrate 1 can be communicated with the protection shell 4 to integrally move through the holding rod 12, the carrying is convenient, different positions of a bridge can be conveniently detected in the bridge detection process, when the measurement is needed, the connecting support shaft 11 is drawn out from the penetrating groove 10, the holding rod 12 is taken down, then the protection shell 4 is separated from the inserting groove 3, the resiliometer body 8 is exposed, an expansion screw is driven into the position to be measured, the fixing support rod 2 is connected onto the expansion screw through the traction mechanism, and the resiliometer body 8 is conveniently fixed;

when the mounting substrate 1 is not in a horizontal state, the resiliometer body 8 is not vertical, the horizontal circular plate 6 cannot be kept horizontal at the moment, the magnetic ball 15 rolls in the induction groove 13 to drive the fixed contact 14 to be in contact with the movable contact 16, the fixed contact 14 is electrically connected to a power supply, the power supply adopts a battery, the movable contact 16 is electrically connected to a control circuit, and the control circuit is electrically connected to the electrorheological fluid 9;

when the fixed contact 14 and the movable contact 16 are contacted, a circuit is disconnected, when the electrorheological fluid 9 is not electrified, the electrorheological fluid is changed from a solid state to a liquid state, the horizontal circular plate 6 is in a movable state, the horizontal circular plate 6 is driven to automatically return to the right under the self weight of the counterweight ball 19 to be in a horizontal state, the magnetism of the corresponding surface of the magnetic ball 15 and the magnetism of the magnetic suction block 17 are opposite, therefore, when the horizontal circular plate 6 is in the horizontal state, the magnetic ball 15 automatically returns to the central position of the induction groove 13, the circuit is disconnected, the electrorheological fluid 9 is electrified again to be changed into the solid state, the horizontal circular plate 6 is fixed at the horizontal position, the resiliometer body 8 is kept vertical at the moment, and the accuracy of a measuring result is ensured.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be used for bridge safety inspection to use hardness detection device, includes mounting substrate (1) and installs fixed branch (2) at the outer both sides surface of mounting substrate (1), its characterized in that: two coupling mechanism is all installed on one side surface of fixed branch (2), mounting substrate (1) top surface evenly distributed of fixed branch (2) one side has inserting groove (3), the inner wall movable mounting of inserting groove (3) has protective housing (4), mounting substrate (1) top surface mounting of inserting groove (3) one side has perpendicular branch (5), the top movable mounting of perpendicular branch (5) has horizontal plectane (6), the internally mounted of horizontal plectane (6) has balance mechanism, the bottom surface mounting of horizontal plectane (6) has adjustment mechanism, perpendicular spacing groove (7) have been seted up on the top surface of horizontal plectane (6), the inner wall movable mounting of perpendicular spacing groove (7) has resiliometer body (8).

2. The hardness detection device for bridge safety detection according to claim 1, wherein: the connecting mechanism comprises a fixed hook and a connecting assembly, one side surface of each of the two fixed supporting rods (2) is provided with a through groove (10), the inner walls of the through grooves (10) are movably provided with connecting support shafts (11), and the tail end surfaces of the connecting support shafts (11) are jointly connected with a holding rod (12).

3. The hardness detection device for bridge safety detection according to claim 1, wherein: the balance mechanism comprises an induction groove (13) and a balance assembly, the induction groove (13) is formed in the horizontal circular plate (6), and the balance assembly is installed on the inner wall of the induction groove (13).

4. The hardness detection device for bridge safety detection according to claim 3, characterized in that: the balance assembly comprises a moving contact (16) and a fixed contact (14), the fixed contact (14) is uniformly distributed on the inner wall of the induction groove (13), a magnetic ball (15) is movably mounted on the inner wall of the induction groove (13) on one side of the fixed contact (14), the moving contact (16) is uniformly distributed on the outer side of the magnetic ball (15), and a magnetic attraction block (17) is mounted inside a horizontal circular plate (6) on the outer side of the induction groove (13).

5. The hardness detection device for bridge safety detection according to claim 1, wherein: the adjusting mechanism comprises an adjusting component and a limiting component, the surface of the bottom end of the horizontal circular plate (6) is provided with the adjusting component, and the surface of the top end of the mounting substrate (1) below the adjusting component is provided with the limiting component.

6. The hardness detection device for bridge safety detection according to claim 5, wherein: the adjusting component comprises an installation supporting rod (18) and a counterweight ball (19), the installation supporting rod (18) is uniformly distributed on the bottom end surface of the horizontal circular plate (6), and the counterweight ball (19) is installed on the bottom end surface of the installation supporting rod (18).

7. The hardness detection device for bridge safety detection according to claim 5, wherein: the limiting assembly comprises an elastic bag (20) and electrorheological fluid (9), the elastic bag (20) is mounted on the top end surface of the mounting base plate (1) below the counterweight ball (19), and the electrorheological fluid (9) is filled in the elastic bag (20).