CN117491203B - Portable bridge check out test set - Google Patents
Portable bridge check out test set Download PDFInfo
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- CN117491203B CN117491203B CN202410001379.1A CN202410001379A CN117491203B CN 117491203 B CN117491203 B CN 117491203B CN 202410001379 A CN202410001379 A CN 202410001379A CN 117491203 B CN117491203 B CN 117491203B
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- 238000001125 extrusion Methods 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 22
- 238000010009 beating Methods 0.000 claims description 20
- 238000007689 inspection Methods 0.000 claims description 5
- 230000003116 impacting effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 20
- 230000007935 neutral effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/52—Investigating hardness or rebound hardness by measuring extent of rebound of a striking body
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
Abstract
The invention relates to the technical field of detection equipment, in particular to portable bridge detection equipment, which comprises a barrel, a flicking assembly, a display instrument and a limiting assembly, wherein when the hardness of the concrete of a bridge is detected, a flicking rod in the flicking assembly is propped against the concrete of an area to be detected, the axis of the barrel is in a state of being vertical to the surface of the concrete, the barrel is pushed to be close to the surface of the concrete, the flicking rod gradually enters the barrel, at the moment, a force accumulating part starts to accumulate force, a flicking hammer slides in the barrel, when the force accumulating part accumulates the force to a preset degree, a control piece controls the flicking hammer to strike the flicking rod, the furthest rebound distance after the flicking hammer strikes the flicking rod is displayed on the display instrument, and meanwhile, the limiting assembly controls the flicking hammer to stay at the furthest rebound distance, and when the strength of the concrete is detected again, workers are reduced to push the barrel to move too much neutral stroke, so that the efficiency of detecting the strength of the concrete is improved.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to portable bridge detection equipment.
Background
Along with the attention of people to engineering quality, when detecting building structures such as bridges and the like, a concrete strength value is one of important data for detection, wherein the concrete strength value refers to the maximum stress which can be born by concrete under certain stress state and working condition, and a common concrete detection technology is usually used for measuring strength by a rebound method.
The conventional rebound method is used for measuring the strength of concrete, the conventional rebound method comprises a cylinder body and a rebound hammer, the rebound hammer is fixedly provided with a rebound rod, the cylinder body is provided with a through hole penetrating through the cylinder body, the rebound rod capable of sliding along the axis of the cylinder body is arranged in the through hole, the rebound hammer is connected with the inner end of the cylinder body through a rebound tension spring, the rebound rod can store the force of the rebound tension spring when sliding along the through hole, when the rebound tension spring stretches for a preset length, the rebound tension spring starts to reset, the reset traction rebound hammer of the rebound tension spring knocks the rebound rod, and after the rebound hammer is knocked, the rebound strength of the concrete is judged according to the rebound distance of the rebound hammer. When the resiliometer is used for detecting the surface strength of concrete, in order to improve the accuracy of detection, a plurality of detection points are required to be continuously detected in a defined area, on-site staff is required to continuously push the resiliometer with force to finish the detection of the plurality of detection points, the pulling force of a spring is required to be overcome when the resiliometer is pushed each time, and when the resiliometer is detected for many times, the staff is easy to produce fatigue feeling, so that the detection efficiency is reduced.
Disclosure of Invention
The invention provides portable bridge detection equipment, which aims to solve the problem of low efficiency of the existing equipment for detecting the strength of concrete.
The portable bridge detection equipment adopts the following technical scheme:
a portable bridge detection device comprises a barrel, a flicking assembly, a display instrument and a limiting assembly.
The elastic beating assembly comprises an elastic beating hammer, an elastic beating rod, a force storage piece and a control piece, wherein one end of the elastic beating rod is positioned at the outer side of the cylinder, the elastic beating rod is coaxially and slidingly connected to the cylinder, the elastic beating hammer is coaxially and slidingly arranged in the cylinder, the force storage piece stores force when the elastic beating rod enters the cylinder, the elastic beating hammer simultaneously slides in the cylinder, and the control piece is used for controlling the elastic beating hammer to strike the elastic beating rod when the force storage piece stores force to a preset degree; the display instrument is used for displaying the maximum rebound distance of the elastic hammer after impacting the elastic striking rod; the limiting assembly is used for controlling the elastic hammer to stay at the maximum distance when the elastic hammer impacts the elastic striking rod to rebound.
Further, the limiting component comprises a limiting block and a clamping block; the outer side wall of the cylinder body is provided with a limit groove which is parallel to the axis of the cylinder body; the limiting block can be arranged along the limiting groove in a sliding way; the clamping block is arranged on the bouncing hammer and can be contacted with the limiting block, and the bouncing hammer can be prevented from approaching the bouncing rod again when the clamping block is contacted with the limiting block.
Further, an adjusting piece is arranged on the elastic hammer and used for adjusting the clamping block to approach the limiting block when the elastic hammer impacts the elastic rod to rebound.
Further, the adjusting piece comprises a fixed block and an adjusting rod, the fixed block is fixedly arranged on the elastic hammer, a supporting piece is arranged on the fixed block, and the supporting piece is used for supporting the adjusting rod; the adjusting rod is provided with an extrusion block, when the adjusting rod slides along the axis direction of the cylinder body, the extrusion block can extrude and push the clamping block, and the extrusion block is provided with a first state of not extruding the clamping block and a second state of extruding the clamping block.
Further, the support piece comprises two metal spring plates, the two metal spring plates are arranged at intervals, the metal spring plates are arranged between the adjusting rod and the fixed block, and the two metal spring plates can control the adjusting rod to be parallel to the axis of the cylinder body.
Further, the barrel inside wall is provided with the dog, and when the bullet hammer impacted the bullet and hit the pole, the regulating lever can strike the dog, and the regulating lever slides along the axis direction of barrel to the extrusion piece is switched to the second state by first state.
Further, the one-way rack is arranged on the limiting block, the one-way rack is arranged inside the cylinder body, and the clamping block can be meshed with the one-way rack.
Further, the limiting block is provided with a locking screw, and the locking screw can prevent the limiting block from sliding on the limiting groove.
Further, be provided with the guide block on the fixed block, be provided with the guide slot on the guide block, the axis of guide slot and barrel sets up perpendicularly, and the screens piece can be followed the guide slot and slided and set up, and the contact surface of extrusion piece and screens piece is the inclined plane.
Further, a reset piece is arranged between the clamping block and the guide groove.
The beneficial effects of the invention are as follows: the invention relates to portable bridge detection equipment, which comprises a barrel, a flicking assembly, a display instrument and a limiting assembly, wherein when the bridge is detected, the concrete hardness on the bridge is one of important data for detection, when the concrete hardness of the bridge is detected, a flicking rod in the flicking assembly is abutted against the concrete of a region to be detected, the axis of the barrel is in a state vertical to the surface of the concrete, the barrel is pushed to be close to the surface of the concrete, the flicking rod gradually enters the barrel, a force storage part starts to store force at the moment, meanwhile, the flicking hammer slides in the barrel, when the force storage part stores force to a preset degree, a control element controls the flicking hammer to strike the flicking rod, the furthest rebound distance after the flicking hammer strikes the flicking rod is displayed on the display instrument, and meanwhile, the limiting assembly controls the flicking hammer to stay at the furthest rebound distance, when the concrete strength is detected again, the barrel is pushed by a worker to move too much neutral stroke again, so that the efficiency of detecting the concrete strength is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a portable bridge inspection device according to an embodiment of the present invention, in which a part of a housing is omitted;
fig. 2 is a front view of a portable bridge inspection apparatus according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2;
FIG. 4 is a partial enlarged view at B in FIG. 3;
fig. 5 is a side view of a portable bridge inspection apparatus according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view taken along the direction C-C in FIG. 5;
fig. 7 is a schematic structural diagram of a portable bridge inspection apparatus according to an embodiment of the present invention after being cut;
fig. 8 is a state diagram of the adjusting rod in the portable bridge detection apparatus according to the embodiment of the present invention in the second state.
In the figure: 110. a cylinder; 111. a mounting cavity; 120. a spring hammer; 121. a clamping groove; 130. a flick rod; 140. a tension spring; 150. a guide rod; 160. a buffer spring; 170. a connecting block; 180. a pressure spring; 190. a buckle; 210. pushing the push rod; 220. an adjustment knob; 230. a display block; 240. a chute; 310. a limiting block; 320. a clamping block; 330. a limit groove; 340. a fixed block; 341. a guide block; 350. a metal spring plate; 360. an adjusting lever; 370. a stop block; 380. a one-way rack; 390. a return spring; 410. extruding the blocks.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1 to 8, the portable bridge detection apparatus provided in the embodiment of the present invention includes a barrel 110, a flicking component, a display device and a limiting component.
The inside of the cylinder 110 is hollow, a hollow cavity in the cylinder 110 is a mounting cavity 111, and openings for communicating the mounting cavity 111 with the external environment are formed at two ends of the cylinder 110.
The impact assembly includes an impact hammer 120, an impact bar 130, a force storage member, and a control member. The striking rod 130 is coaxially disposed with the barrel 110, the striking rod 130 having a first end disposed within the mounting cavity 111 and a second end disposed outside the mounting cavity 111, the side wall of the striking rod 130 being slidably coupled to an opening in the end of the barrel 110 such that the striking rod 130 can slide over the barrel 110. The hammer 120 is slidably disposed coaxially inside the cylinder 110, and the hammer 120 can abut against the striking rod 130 when the inside of the cylinder 110 slides. The force accumulating member accumulates force when the impact rod 130 enters the barrel 110, in a specific arrangement, the force accumulating member is a tension spring 140, the tension spring 140 and the barrel 110 are coaxially arranged, the tension spring 140 is coaxially sleeved outside the impact rod 130, one end of the tension spring 140 is fixedly connected with the end part of the barrel 110, and the other end of the tension spring 140 is fixedly connected with the impact hammer 120.
The first end of the striking rod 130 is provided with a plug hole, the plug hole of the striking rod 130 is internally inserted with a guide rod 150, one end of the guide rod 150 is positioned in the plug hole, the guide rod 150 can slide in the plug hole, a buffer spring 160 is arranged between the guide rod 150 and the inner end of the plug hole, the other end of the guide rod 150 slides to penetrate through the striking hammer 120, the striking hammer 120 can slide on the guide rod 150, the end part of the guide rod 150, which is far away from the striking rod 130, is fixedly provided with a connecting block 170, a compression spring 180 is arranged between the connecting block 170 and the end part of the installation cavity 111, a buckle 190 is arranged on the connecting block 170, a clamping groove 121 is arranged on the striking hammer 120, the clamping groove 121 on the striking hammer 120 can be connected with the buckle 190, and in an initial state, the buckle 190 is positioned in a state of being clamped with the clamping groove 121. When the concrete is detected, the second end of the striking rod 130 is propped against the concrete wall, the barrel 110 is pushed to approach the wall, the striking rod 130 gradually enters the barrel 110, the striking rod 130 gradually pushes the guide rod 150 to move in the installation cavity 111 through the transmission of the buffer spring 160, the guide rod 150 drives the connecting block 170 to synchronously move, the buckle 190 on the connecting block 170 drives the striking hammer 120 to synchronously move, and the tension spring 140 and the pressure spring 180 simultaneously store force. The control member is used to control the hammer 120 to strike the striking rod 130 when the force storage member stores force to a preset extent. In a specific arrangement, the middle portion of the buckle 190 is rotatably connected to the connection block 170, and one end of the buckle 190 is clamped with the clamping groove 121. The control is ejector rod 210, ejector rod 210 and barrel 110 coaxial setting, ejector rod 210 is in installation cavity 111, the tip of ejector rod 210 is provided with adjust knob 220, adjust knob 220 and barrel 110 threaded connection, adjust knob 220 can shutoff barrel 110 tip's opening, adjust knob 220 can change the position of ejector rod 210 in barrel 110 inside when rotating, the connecting block 170 is at the inside motion of barrel 110, buckle 190 on the connecting block 170 can be pushed by ejector rod 210, make buckle 190 break away from joint draw-in groove 121, drive the bullet hammer 120 to bullet and be close to and strike bullet and hit the pole 130 at this moment under the restoring force of extension spring 140, bullet hammer 120 takes place to kick-back after striking bullet and hit pole 130, the distance that bullet hammer 120 kick-backed can reflect concrete intensity.
The display is used to display the maximum distance that the hammer 120 rebounds after striking the striking rod 130. In a specific arrangement, the display is a display block 230, the peripheral wall of the cylinder 110 is provided with a chute 240 penetrating inside and outside, the chute 240 extends along the axial direction of the cylinder 110, the display block 230 is slidably arranged in the chute 240, when the impact hammer 120 rebounds after striking the impact rod 130, the display block 230 slides along the chute 240 synchronously, the outer side wall of the cylinder 110 is provided with scale marks, the scale marks are positioned on one side of the chute 240, and the distance of the display block 230 sliding along the chute 240 is conveniently read. The limiting assembly is used for controlling the impact hammer 120 to stay at the maximum distance when the impact hammer 120 impacts the impact rod 130 for rebound, and reducing the amount of the excessive neutral travel of the barrel 110 pushed by the worker again when detecting the concrete strength again, thereby improving the efficiency of detecting the concrete strength.
According to the portable bridge detection equipment, when the bridge is detected, the concrete hardness on the bridge is one of important data for detection, when the concrete hardness of the bridge is detected, the impact rod 130 in the impact assembly is abutted against the concrete in a region to be detected, the axis of the cylinder 110 is in a state of being perpendicular to the concrete surface, the cylinder 110 is pushed to be close to the concrete surface, the impact rod 130 gradually enters the cylinder 110, at the moment, the force storage part starts to store force, meanwhile, the impact hammer 120 slides in the cylinder 110, when the force storage part stores force to a preset degree, the control part controls the impact hammer 120 to impact the impact rod 130, the furthest rebound distance after the impact hammer 120 impacts the impact rod 130 is displayed on the display, meanwhile, the limiting assembly controls the impact hammer 120 to stay at the furthest rebound distance, and when the concrete strength is detected again, the cylinder 110 is pushed by a worker to move too much to be in a neutral position again, so that the efficiency of detecting the concrete strength is improved.
In one embodiment, the stop assembly includes a stop block 310 and a detent block 320; the side wall of the cylinder 110 is provided with a limiting groove 330 which is communicated with the mounting cavity 111 and the external environment, the limiting groove 330 has a certain length, and the length direction of the limiting groove 330 is parallel to the axis direction of the cylinder 110. The limiting block 310 can be slidably arranged along the limiting groove 330; the clamping block 320 is arranged on the impact hammer 120, the clamping block 320 can be in contact with the limiting block 310, the impact hammer 120 can be prevented from approaching the impact rod 130 again when the clamping block 320 is in contact with the limiting block 310, after the impact hammer 120 impacts the impact rod 130, the clamping block 320 is in contact with the limiting block 310, the impact hammer 120 connected with the clamping block 320 is prevented from approaching the impact rod 130 again under the action of inertia of the impact hammer 120, and the neutral stroke of the pushing cylinder 110 is reduced.
In one embodiment, the adjusting member is disposed on the hammer 120, and the adjusting member is used to adjust the clamping block 320 to approach the limiting block 310 when the hammer 120 impacts the striking rod 130 to rebound, and in an initial state, the clamping block 320 is in a state of not abutting against the limiting block 310, and after the hammer 120 impacts the striking rod 130, the clamping block 320 contacts the limiting block 310 under the action of the adjusting member, so as to prevent the limiting block 310 from blocking the hammer 120 from impacting the striking rod 130.
In a further embodiment, the adjusting member includes a fixing block 340 and an adjusting rod 360, the fixing block 340 is fixedly disposed on the impact hammer 120, a supporting member is disposed on the fixing block 340, the supporting member is used for supporting the adjusting rod 360, the adjusting rod 360 is parallel to the axis of the cylinder 110 under the support of the supporting member, the adjusting rod 360 is located inside the cylinder 110, and the adjusting rod 360 can slide along the axis direction of the cylinder 110, in a specific arrangement, when the impact hammer 120 impacts the impact rod 130, the adjusting rod 360 slides along the axis direction of the cylinder 110. The adjusting rod 360 is provided with an extrusion block 410, the extrusion block 410 can be abutted with the clamping block 320, when the adjusting rod 360 slides along the axial direction of the cylinder 110, the extrusion block 410 can push the clamping block 320, so that the clamping block 320 is converted from a state that the clamping block cannot contact the limiting block 310 to a state that the clamping block 310 can contact the limiting block 310, and in a further arrangement, the extrusion block 410 has a first state that the clamping block 320 is not extruded and a second state that the clamping block 320 is extruded.
In one embodiment, the supporting member includes two metal spring plates 350, the two metal spring plates 350 are disposed at intervals, the two metal spring plates 350 are distributed at two ends of the length direction of the adjusting rod 360, each metal spring plate 350 can deform, the metal spring plates 350 are disposed between the adjusting rod 360 and the fixing block 340, in a specific arrangement, the cross sections of the metal spring plates 350 are arc-shaped, the middle parts of the metal spring plates 350 are fixedly connected with the adjusting rod 360, the two ends of the metal spring plates 350 are fixedly connected with the fixing block 340, under the action of the two metal spring plates 350, the adjusting rod 360 is in a state parallel to the axis of the cylinder 110, when the adjusting rod 360 is clamped by the metal spring plates 350, the extrusion block 410 has a first state not extruding the clamping block 320 and a second state extruding the clamping block 320, in the structure shown in fig. 4, when the extrusion block 410 on the adjusting rod 360 is in the first state, the cross sections of the two metal spring plates 350 are arc-shaped with downward openings, in the structure shown in fig. 8, and when the extrusion block 410 on the adjusting rod 360 is in the second state, the cross sections of the two metal spring plates 350 are arc-shaped with upward openings.
In one embodiment, the inner sidewall of the cylinder 110 is provided with a stopper 370, when the impact hammer 120 impacts the impact rod 130, the adjustment rod 360 can impact the stopper 370, the adjustment rod 360 slides along the axial direction of the cylinder 110, and the pressing block 410 is switched from the first state to the second state. In a specific setting, in an initial state, the extrusion block 410 on the adjusting rod 360 is in a first state, when the impact hammer 120 impacts the impact rod 130, the adjusting rod 360 synchronously impacts the stop block 370, the adjusting rod 360 moves along the axis direction of the cylinder 110, the adjusting rod 360 drives the extrusion block 410 to switch from the first state to a second state, the extrusion block 410 extrudes the clamping block 320, the clamping block 320 can be in contact with the limiting block 310, and meanwhile, the metal elastic sheet 350 deforms.
In one embodiment, the stopper 310 is provided with a unidirectional rack 380, the unidirectional rack 380 is disposed inside the cylinder 110, and in a specific arrangement, the unidirectional rack 380 has a certain length, and the unidirectional rack 380 is parallel to the axial direction of the cylinder 110. The clamping block 320 can be meshed with the unidirectional rack 380, in a specific arrangement, a limiting tooth tip is arranged on the clamping block 320, after the clamping block 320 is extruded by the extrusion block 410, the limiting tooth tip on the clamping block 320 can be meshed with the unidirectional rack 380, and according to the arrangement of the tooth direction of the unidirectional rack 380, the elastic hammer 120 can stay at the position with the farthest rebound distance after the impact elastic striking rod 130 rebounds.
In one embodiment, the stopper 310 is provided with a locking screw, and the locking screw can prevent the stopper 310 from sliding on the limiting groove 330. In the actual use, when measuring concrete intensity for the first time, the staff promotes stopper 310 and slides in spacing groove 330, and the staff removes stopper 310 to the tip of spacing groove 330, and stopper 310 is in the state of keeping away from bullet and hit pole 130, when measuring concrete intensity for the first time, reads the gliding distance of display piece 230 in spout 240, and the staff adjusts stopper 310 in the position of spacing groove 330 according to the gliding distance of display piece 230 to use locking screw to lock stopper 310, prevent that the position of limiting piece 310 can remove in spacing groove 330 when bullet hammer 120 kick-backs.
In one embodiment, a guide block 341 is disposed on the fixed block 340, a guide groove is disposed on the guide block 341, the guide groove is perpendicular to the axis of the cylinder 110, the clamping block 320 can be slidably disposed along the guide groove, the contact surface between the extrusion block 410 and the clamping block 320 is an inclined surface, and according to the arrangement that the contact surface between the extrusion block 410 and the clamping block 320 is an inclined surface, the extrusion block 410 on the adjusting rod 360 slides along the axis direction of the cylinder 110, so that the clamping block 320 moves along the guide groove.
In one embodiment, a reset element is disposed between the clamping block 320 and the guide slot, the reset element is used for driving the extrusion block 410 on the adjusting rod 360 to switch from the second state to the first state, in this embodiment, the reset element is preferably a reset spring 390, the reset spring 390 is disposed along the guide slot, one end of the reset spring 390 is connected with the clamping block 320, the other end of the reset spring 390 is connected with the end of the guide slot, when the extrusion block 410 on the adjusting rod 360 is switched from the first state to the second state, the extrusion block 410 extrudes the clamping block 320, so that the reset spring 390 deforms, thereby generating a force accumulation function, the force accumulated by the reset spring 390 is used for driving the clamping block 320 to recover to the initial position, and in the process of recovering the clamping block 320 to the initial position, the extrusion block 410 on the adjusting rod 360 is switched from the second state to the first state, so as to be convenient for detecting concrete again.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (1)
1. A portable bridge inspection apparatus, comprising:
a cylinder;
the elastic beating assembly comprises an elastic beating hammer, an elastic beating rod, a force storage part and a control part, wherein one end of the elastic beating rod is positioned at the outer side of the cylinder, the elastic beating rod is coaxially and slidably connected to the cylinder, the elastic beating hammer is coaxially and slidably arranged in the cylinder, the force storage part stores force when the elastic beating rod enters the cylinder, the elastic beating hammer simultaneously slides in the cylinder, and the control part is used for controlling the elastic beating hammer to strike the elastic beating rod when the force storage part stores force to a preset degree;
the display instrument is used for displaying the maximum rebound distance of the elastic hammer after impacting the elastic striking rod;
the limiting component is used for controlling the elastic hammer to stay at the maximum distance when the elastic hammer impacts the elastic striking rod to rebound;
the limiting component comprises a limiting block and a clamping block; the outer side wall of the cylinder body is provided with a limit groove which is parallel to the axis of the cylinder body; the limiting block can be arranged along the limiting groove in a sliding way; the clamping block is arranged on the bouncing hammer and can be contacted with the limiting block, and the bouncing hammer can be prevented from approaching the bouncing rod again when the clamping block is contacted with the limiting block;
the adjusting piece is arranged on the elastic hammer and is used for adjusting the clamping block to approach the limiting block when the elastic hammer impacts the elastic rod to rebound;
the adjusting piece comprises a fixed block and an adjusting rod, the fixed block is fixedly arranged on the elastic hammer, a supporting piece is arranged on the fixed block, and the supporting piece is used for supporting the adjusting rod; the adjusting rod is provided with an extrusion block, when the adjusting rod slides along the axial direction of the cylinder body, the extrusion block can extrude and push the clamping block, and the extrusion block has a first state of not extruding the clamping block and a second state of extruding the clamping block;
the support piece comprises two metal elastic pieces, the two metal elastic pieces are arranged at intervals, the metal elastic pieces are arranged between the adjusting rod and the fixed block, and the two metal elastic pieces can control the adjusting rod to be parallel to the axis of the cylinder;
the inner side wall of the cylinder is provided with a stop block, when the elastic hammer impacts the elastic striking rod, the adjusting rod can impact the stop block, the adjusting rod slides along the axial direction of the cylinder, and the extrusion block is switched from a first state to a second state;
the limiting block is provided with a one-way rack, the one-way rack is arranged in the cylinder body, and the clamping block can be meshed with the one-way rack;
the limiting block is provided with a locking screw which can prevent the limiting block from sliding on the limiting groove;
the fixed block is provided with a guide block, the guide block is provided with a guide groove, the guide groove is perpendicular to the axis of the cylinder body, the clamping block can be arranged in a sliding manner along the guide groove, and the contact surface of the extrusion block and the clamping block is an inclined surface;
a resetting piece is arranged between the clamping block and the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410001379.1A CN117491203B (en) | 2024-01-02 | 2024-01-02 | Portable bridge check out test set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410001379.1A CN117491203B (en) | 2024-01-02 | 2024-01-02 | Portable bridge check out test set |
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| Publication Number | Publication Date |
|---|---|
| CN117491203A CN117491203A (en) | 2024-02-02 |
| CN117491203B true CN117491203B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410001379.1A Active CN117491203B (en) | 2024-01-02 | 2024-01-02 | Portable bridge check out test set |
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| CN111238977A (en) * | 2019-08-08 | 2020-06-05 | 王苏徽 | Automatic reset resiliometer |
| CN214334566U (en) * | 2021-03-03 | 2021-10-01 | 湖北广盛混凝土有限公司 | Concrete resiliometer |
| KR20220124926A (en) * | 2021-03-04 | 2022-09-14 | 주식회사 금오시설안전 | Schmidt hammer mounting device for non-destructive inspection of high-place concrete |
| CN217819661U (en) * | 2022-06-22 | 2022-11-15 | 江苏省建筑工程质量检测中心有限公司 | Resiliometer that high-strength concrete detected usefulness |
| CN218726294U (en) * | 2022-07-02 | 2023-03-24 | 东莞市叁叁科技工程有限公司 | Concrete strength detection equipment for building construction |
| CN218726302U (en) * | 2022-11-10 | 2023-03-24 | 车远杰 | Hardness testing resiliometer |
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| CN116559002A (en) * | 2023-06-27 | 2023-08-08 | 慈溪市诚正建设工程检测有限公司 | Concrete strength detection device |
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| US7164117B2 (en) * | 1992-05-05 | 2007-01-16 | Automotive Technologies International, Inc. | Vehicular restraint system control system and method using multiple optical imagers |
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| CN103149104A (en) * | 2013-02-04 | 2013-06-12 | 中电投工程研究检测评定中心 | Strength detection device of structural member |
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