CN118310859A - River levee concrete prefabricated member strength detection device and control method thereof - Google Patents
River levee concrete prefabricated member strength detection device and control method thereof Download PDFInfo
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- CN118310859A CN118310859A CN202410733001.0A CN202410733001A CN118310859A CN 118310859 A CN118310859 A CN 118310859A CN 202410733001 A CN202410733001 A CN 202410733001A CN 118310859 A CN118310859 A CN 118310859A
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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
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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Abstract
The invention relates to the technical field of concrete strength detection, in particular to a river levee concrete prefabricated member strength detection device and a control method thereof, wherein the river levee concrete prefabricated member strength detection device comprises a bottom frame, a controller is fixedly arranged on the bottom frame, a receiving disc is fixedly arranged at the top of the bottom frame, a U-shaped frame is fixedly arranged at the top of the bottom frame, a first hydraulic rod is fixedly connected at the top of the U-shaped frame, and the river levee concrete prefabricated member strength detection device further comprises: the connecting disc is fixedly arranged at the telescopic end of the first hydraulic rod; the elastic connecting piece is fixedly arranged at the center of the bottom of the connecting disc, and the shielding assembly is arranged, so that accidental injury of splashed scraps to operators and mechanical equipment is effectively prevented, after the test is completed, the elastic telescopic piece is compressed upwards to rebound after the extrusion disc is contacted with hard blocks such as reinforcing steel bars, broken stones and the like, and the self-damage caused by the fact that the extrusion disc is directly contacted with the hard impurities such as the reinforcing steel bars, the broken stones and the like is avoided.
Description
Technical Field
The invention relates to the field of concrete strength detection, in particular to a river levee concrete prefabricated member strength detection device and a control method thereof.
Background
The prefabricated concrete member is a prefabricated concrete structure member manufactured in a factory or a site prefabricated field, the manufacturing process comprises a series of working procedures of batching, stirring, pouring, vibrating, curing, demolding and the like, and the prefabricated concrete member is transported to a construction site for installation after the prefabricated concrete member is completed and has various types and purposes and is widely applied to the fields of construction, traffic, municipal administration, water conservancy and the like.
The prior art discloses an invention patent in the aspect of partial concrete strength detection, and Chinese patent with the application number 202310964323.1 discloses a concrete prefabricated part strength detection device, which comprises a bracket, wherein a hydraulic device is arranged on the bracket, an upper lever device is arranged on the hydraulic device, an upper pressure device is rotationally connected on the upper lever device, a lower lever device is rotationally connected on the upper lever device, and a lower pressure device is rotationally connected on the lower lever device.
After the production of the concrete prefabricated parts, in order to ensure that the concrete prefabricated parts meet the strength standard required by the safety standard, the strength of the prefabricated parts is usually tested by adopting an extruder in the prior art, however, since the prefabricated parts are often doped with reinforcing materials such as stones, steel bars and the like in the manufacturing process to improve the overall strength of the prefabricated parts, the extruder can cause damage to the extrusion head part when the extruder detects the concrete prefabricated parts, if the extrusion head of the extruder directly collides with the components with higher hardness after the extrusion head breaks the concrete prefabricated parts.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a river levee concrete prefabricated member strength detection device and a control method thereof.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a river levee concrete prefab intensity detection device, includes the chassis, fixed mounting has the controller on the chassis, the top fixed mounting of chassis has the receiving dish, the top of chassis still fixed mounting has U type frame, the top fixedly connected with first hydraulic stem of U type frame still includes:
the connecting disc is fixedly arranged at the telescopic end of the first hydraulic rod;
the elastic connecting piece is fixedly arranged at the center of the bottom of the connecting disc;
The extrusion disc is fixedly arranged at the bottom of the elastic connecting piece;
the two groups of support components are arranged between the connecting disc and the extrusion disc and used for preventing the extrusion disc from moving upwards under the condition of being stressed;
The two groups of shielding assemblies are arranged on the outer wall of the connecting plate, and the shielding structures are used for blocking fragments sprayed due to disintegration of the concrete prefabricated member after the first hydraulic rod drives the extrusion plate to apply crushing pressure to the concrete prefabricated member;
When the shielding component is contacted with splashed scraps, the linkage action of the shielding component triggers the two groups of supporting components to release the positioning locking of the extrusion disc, so that the extrusion disc is driven by the reaction force to realize upward displacement;
According to the invention, through the arrangement of the shielding component, when the concrete prefabricated member is crushed under the extrusion force of the extrusion plate, fragments generated by crushing are scattered under the force application effect of the extrusion plate, the shielding component plays a role in intercepting the broken fragments, so that accidental injury to operators and mechanical equipment caused by the scattered fragments is effectively prevented, meanwhile, when the fragments collide with the interception component instantly, the extrusion test of the concrete prefabricated member is completed, the reaction force generated by the splashing of the fragments acts on the interception component, and then the supporting component is driven to slide out from the gap between the connecting plate and the extrusion plate, so that after the test is completed, the extrusion plate upwards compresses the elastic expansion piece to rebound along with the contact stress of the extrusion plate with hard blocks such as steel bars, broken stones and the like, and the self damage caused by the direct contact of the extrusion plate with the hard sundries such as the steel bars, the stones and the like is avoided.
Preferably: the shielding assembly includes:
The sliding seat is fixedly arranged above the connecting disc;
The sliding rod is connected to the sliding seat in a sliding manner, and a threaded hole is formed in the end part of the sliding rod;
The disc is fixedly arranged at one end of the sliding rod, which is close to the first hydraulic rod;
The first spring is fixedly arranged between the disc and the sliding seat, and is sleeved on the outer wall of the sliding rod;
The thread adjusting rod is in threaded connection with the threaded hole;
The side wall of the connecting plate is rotationally connected with a rotating disc which is fixedly connected with the thread adjusting rod;
The arc-shaped shielding plate is fixedly arranged at the bottom end of the connecting plate, and the supporting component is arranged on the inner wall of the arc-shaped shielding plate;
and the detection unit is used for acquiring the vibration signal.
Preferably: the support assembly includes:
The adjusting column is fixedly connected to the inner wall of the arc-shaped shielding plate;
The rectangular supporting block is fixedly connected to the end part of the adjusting column and is positioned between the extrusion disc and the connecting disc.
Preferably: further comprises:
the second hydraulic rod is fixedly connected to the side wall of the sliding seat;
The pushing block is fixedly arranged at the telescopic end of the second hydraulic rod.
Preferably: further comprises:
The two grooves are respectively formed in the upper side and the lower side of the rectangular supporting block;
the two elastic telescopic rods are respectively and fixedly connected to the two slots;
the two jacking blocks are respectively and fixedly connected to the telescopic ends of the two elastic telescopic rods;
The bracket is fixedly connected to the bottom of the connecting disc;
The limiting block is fixedly connected with the bracket and is positioned between the two jacking blocks;
through setting up two roof blocks respectively with connection pad and extrusion dish contact, and then make the arc shielding plate receive outside removal back of exogenic action, it is synchronous outside slip through linkage adjusting column drive rectangle supporting shoe, in view of the area of contact between roof block and the stopper is very limited, this makes roof block and can more smoothly separate rapidly when releasing the support constraint with the stopper, after the fixed action of stopper to roof block is eliminated, two elastic expansion link plays rapidly, order about two roof blocks each other, and then make them break away from the contact with connection pad and extrusion dish respectively, help quick release to the spacing constraint to extrusion dish through such design, in order to be favorable to extrusion dish can automatic rebound upwards, thereby effectively avoid taking place hard collision with hard things such as reinforcing bar, stone, ensure equipment safety.
Preferably: further comprises:
the two abdication grooves are respectively arranged on the side walls of the two rectangular supporting blocks;
The two rollers are respectively connected to the insides of the two abdication grooves in a rotating mode.
Preferably: the elastic connection piece includes:
The vertical cylinder is fixedly connected to the center of the bottom of the connecting disc;
the through groove is formed in the bottom of the vertical cylinder;
The spiral groove is formed in the through groove;
the vertical rod is connected to the inside of the spiral groove in a sliding way through a sliding column, and is fixedly connected with the extrusion disc;
The second spring is fixedly connected between the connecting disc and the extrusion disc, and is sleeved on the outer wall of the vertical rod.
A control method of a river levee concrete precast member strength detection device comprises the following steps:
A1, a controller receives vibration information acquired by a detection unit;
A2, the controller generates first control information according to the vibration information;
and A3, the controller sends the first control information to the second hydraulic rod to control the second hydraulic rod to start pushing out so as to drive the pushing block to quickly push the connecting plate to move.
Preferably: the detection unit is a vibration sensor.
Preferably: the specific steps in the step A comprise:
Obtaining vibration information;
comparing the vibration information with a preset vibration value;
if the result is larger than or equal to a preset vibration value, the controller controls the two second hydraulic rods to start synchronously;
if the result is smaller than the preset vibration value, the reaction is not performed.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the invention, through the arrangement of the shielding component, when the concrete prefabricated member is crushed under the extrusion force of the extrusion disc, the shielding component plays a role in intercepting the broken fragments, so that the accidental injury of the broken fragments to operators and mechanical equipment is effectively prevented, and after the extrusion test of the concrete prefabricated member is completed, the reactive force generated by the splashing of the fragments acts on the interception component, so that the supporting component is driven to slide out from the gap between the connecting disc and the extrusion disc, and the self-damage caused by the fact that the extrusion disc is directly contacted with hard impurities such as steel bars and stones is avoided.
2. According to the invention, the two jacking blocks are respectively contacted with the connecting disc and the extrusion disc, so that after the arc-shaped shielding plate is outwards moved under the action of external force, the arc-shaped shielding plate drives the rectangular supporting blocks to synchronously outwards slide through the linkage adjusting columns, so that the jacking blocks can be smoothly and rapidly separated when the supporting constraint is released from the limiting blocks in view of extremely limited contact area between the jacking blocks and the limiting blocks, and after the fixing action of the limiting blocks on the jacking blocks is eliminated, the two elastic telescopic rods rapidly act to drive the two jacking blocks to approach each other, so that the two jacking blocks are respectively separated from the connecting disc and the extrusion disc, the limiting constraint on the extrusion disc is rapidly released by virtue of the design, the extrusion disc can automatically rebound upwards, hard collision with hard objects such as reinforcing steel bars and stones is effectively avoided, and the safety of equipment is ensured.
3. According to the invention, through the arrangement of the spiral groove and the second spring, on one hand, the extrusion disc can not stop in time after the limit is released, and still continues to move downwards for a certain distance, at the moment, the second spring can still be further compressed, so that an additional abdication space is provided for the extrusion disc, potential damage to the extrusion disc caused by hard object contact is further reduced, and through compression deformation of the spring, impact energy generated by extrusion can be absorbed, impact load on the extrusion disc and the whole system is reduced, and the service life of equipment is prolonged.
Drawings
FIG. 1 is a flow chart of a control method of the present invention;
FIG. 2 is a schematic diagram of the whole structure of the detecting device according to the present invention;
FIG. 3 is a schematic diagram of the whole structure of the detecting device according to the present invention;
FIG. 4 is a schematic view of the connection of the arc-shaped shielding plate of the present invention;
FIG. 5 is an enlarged schematic view of the structure of portion A shown in FIG. 4 according to the present invention;
FIG. 6 is a schematic view of the present invention with one arcuate shutter removed at the junction;
FIG. 7 is an enlarged schematic view of the structure of the portion B shown in FIG. 6 according to the present invention;
FIG. 8 is a schematic view of the structure of the junction of the squeeze plate and the connecting disc of the present invention;
FIG. 9 is an enlarged schematic view of the structure of the portion C shown in FIG. 8 according to the present invention;
FIG. 10 is a schematic view of a rectangular support block according to the present invention;
FIG. 11 is a schematic view of the structure of the inventive cartridge.
In the figure: 1. a chassis; 2.a controller; 3. a receiving tray; 4. a U-shaped frame; 5. a first hydraulic lever; 6. an extrusion plate; 7. a connecting disc; 8. a slide; 9. a slide bar; 10. a disc; 11. a first spring; 12. a threaded adjusting rod; 13. a connecting plate; 14. a rotating disc; 15. an arc-shaped shielding plate; 16. a detection unit; 17. an adjusting column; 18. a rectangular support block; 19. a second hydraulic lever; 20. a pushing block; 21. slotting; 22. an elastic telescopic rod; 23. a holding block; 24. a bracket; 25. a limiting block; 26. a second spring; 27. a relief groove; 28. a roller; 29. a vertical tube; 30. a through groove; 31. a spiral groove; 32. and a vertical rod.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
Application scene: after the production of the concrete prefabricated part, in order to ensure that the concrete prefabricated part meets the strength standard required by the safety standard, the strength of the prefabricated parts is usually tested by adopting an extruder in the prior art, however, since the prefabricated part is often doped with reinforcing materials such as stones and steel bars in the manufacturing process to improve the integral strength of the prefabricated part, when the extruder detects the concrete prefabricated part, if the extrusion head of the extruder extrudes the concrete prefabricated part, the extruder collides with the components with higher hardness directly, and the extrusion head part can be damaged.
The utility model provides a river levee concrete prefab intensity detection device as shown in fig. 2 through 11, includes chassis 1, fixedly mounted with controller 2 on the chassis 1, and the top fixed mounting of chassis 1 has the receiving dish 3, and the top of chassis 1 is still fixedly mounted with the first hydraulic stem 5 of top fixedly connected with U type frame 4,U type frame 4, still includes:
the connecting disc 7 is fixedly arranged at the telescopic end of the first hydraulic rod 5;
An elastic connecting piece fixedly arranged at the center of the bottom of the connecting disc 7;
the extrusion disc 6 is fixedly arranged at the bottom of the elastic connecting piece;
the two groups of support components are arranged between the connecting disc 7 and the extrusion disc 6 and are used for preventing the extrusion disc 6 from moving upwards under the condition of being stressed;
The two groups of shielding assemblies are arranged on the outer wall of the connecting plate 13, and the shielding structure is used for blocking fragments sprayed due to the disintegration of the concrete prefabricated member after the first hydraulic rod 5 drives the extrusion plate 6 to apply the crushing pressure to the concrete prefabricated member;
When the shielding component is contacted with splashed scraps, the linkage action of the shielding component triggers the two groups of support components to release the positioning locking of the extrusion disk 6, so that the extrusion disk 6 is driven by the reaction force to realize upward displacement;
In the concrete implementation, when a concrete prefabricated member to be tested for strength is placed on a receiving disc 3, the distance between two groups of shielding assemblies and the concrete prefabricated member is adjusted according to actual needs, so that the shielding assemblies cannot interfere with the measured concrete prefabricated member, the first hydraulic rod 5 is controlled by the controller 2 to start pushing out, the first hydraulic rod 5 pushes a connecting disc 7 to move downwards, the connecting disc 7 drives the pressing disc 6 to apply pressing force to the target concrete prefabricated member through an elastic connecting piece and a supporting assembly, and therefore strength test is conducted on the concrete prefabricated member;
In the descending process of the connecting disc 7, the shielding component can be driven to move downwards synchronously, so that effective shielding of the concrete prefabricated part is guaranteed, when the concrete prefabricated part is crushed under the extrusion force of the extrusion disc 6, fragments generated by crushing of the concrete prefabricated part are scattered under the action of the force applied by the extrusion disc 6, the shielding component plays a role in intercepting the broken fragments, so that accidental injury to operators and mechanical equipment caused by the scattered fragments is effectively prevented, meanwhile, when the fragments collide with the intercepting component instantly, the extrusion test and completion of the concrete prefabricated part are meant, the reaction force generated by the fragments splashing acts on the intercepting component, and then the supporting component can be driven to slide out from the gap between the connecting disc 7 and the extrusion disc 6, so that after the test is completed, the extrusion disc 6 is enabled to rebound by upwards compressing the elastic telescopic part along with the contact stress of the extrusion disc 6 with hard sundries such as steel bars and stones, the like, the extrusion disc 6 can be helped to avoid self damage caused by the contact with the hard sundries such as the steel bars and stones, and the like, so that the extrusion disc 6 can be self-adjusted to be suitable for different materials with different hardness, shapes and sizes, different general conditions and different equipment flexibility are improved.
As a technical optimization scheme of the invention: the shielding assembly includes:
The sliding seat 8 is fixedly arranged above the connecting disc 7;
the sliding rod 9 is connected to the sliding seat 8 in a sliding manner, and a threaded hole is formed in the end part of the sliding rod 9;
the disc 10 is fixedly arranged at one end of the sliding rod 9 close to the first hydraulic rod 5;
the first spring 11 is fixedly arranged between the disc 10 and the sliding seat 8, and the first spring 11 is sleeved on the outer wall of the sliding rod 9;
a screw thread adjusting rod 12 in threaded connection with the screw hole;
The connecting plate 13, the side wall of the connecting plate 13 is rotatably connected with a rotating disc 14, and the rotating disc 14 is fixedly connected with the screw thread adjusting rod 12;
The arc-shaped shielding plate 15 is fixedly arranged at the bottom end of the connecting plate 13, and the supporting component is arranged on the inner wall of the arc-shaped shielding plate 15;
a detection unit 16 for acquiring vibration information;
in the concrete implementation, the screw thread adjusting rod 12 is used for driving the displacement of the connecting plate 13, so that the arc-shaped shielding plate 15 is linked to a preset position, when the concrete prefabricated member is extruded and broken under the action force of the extrusion disc 6, the splashed fragments of the concrete prefabricated member can impact the arc-shaped shielding plate 15 to cause the displacement along a preset track and synchronously trigger the supporting component to slide away from a gap between the connecting disc 7 and the extrusion disc 6, so that the positioning constraint on the extrusion disc 6 is removed, and therefore, the extrusion disc 6 can be driven to ascend by the reaction force after the test is finished, and the structural damage caused by contact with hard sundries such as reinforcing steel bars, stones and the like can be effectively avoided;
The sliding rod 9 is driven to slide on the sliding seat 8 in the moving process of the connecting plate 13, so that the arc-shaped shielding plate 15 can move normally; and through the arrangement of the arc-shaped shielding plate 15, the movement of the chips along a preset path is facilitated, the chips are prevented from scattering outside a working area, and subsequent chip collection and cleaning work is facilitated.
It should be further noted that the vibration sensors are provided in plural numbers, and the number of the vibration sensors can be set according to actual needs, and the vibration sensors are provided on the side wall of the arc shielding plate 15 for obtaining vibration information.
As a technical optimization scheme of the invention: the support assembly includes:
The adjusting column 17 is fixedly connected to the inner wall of the arc-shaped shielding plate 15;
The rectangular supporting block 18 is fixedly connected to the end part of the adjusting column 17, and the rectangular supporting block 18 is positioned between the extrusion disc 6 and the connecting disc 7;
In specific implementation, the distance between the arc-shaped supporting blocks and the arc-shaped supporting blocks is adjusted through the adjusting columns 17, so that the arc-shaped supporting blocks are positioned at proper positions;
The arc-shaped shielding plate 15 moves in a linkage adjusting column 17 in the displacement process, so that the rectangular supporting block 18 slides away from the joint area of the connecting disc 7 and the extrusion disc 6, thereby removing the supporting connection fixed between the two discs, and then when the extrusion disc 6 is still in a stressed state, the extrusion disc 6 compresses the elastic telescopic piece to realize upward abdication, and the design aims to effectively prevent rigid collision between hard materials such as steel bars, stones and the like and the extrusion disc 6, thereby causing potential damage to equipment.
It should be noted that, the manner of adjusting the rectangular supporting block 18 includes not limited to the one set forth above, but may be performed in various manners by selecting an electric push rod instead of the adjusting column 17, and not disclosed herein too much.
As a technical optimization scheme of the invention: further comprises:
the second hydraulic rod 19, the second hydraulic rod 19 is fixedly connected to the sidewall of the slide seat 8;
the pushing block 20, the pushing block 20 is fixedly arranged at the telescopic end of the second hydraulic rod 19;
In specific implementation, after the arc-shaped shielding plate 15 is triggered to move by external force, the controller 2 responds immediately to instruct the second hydraulic rod 19 to start to operate, the second hydraulic rod 19 drives the pushing block 20 to move rapidly, and directional pushing force is applied to the connecting plate 13, so that after the connecting plate 13 is stressed, the rectangular supporting block 18 is driven to separate from the contact position of the connecting disc 7 and the extruding disc 6 through the linkage of the arc-shaped shielding plate 15 connected with the connecting plate 13, and the series of actions have double benefits:
Firstly, the continuous pushing action of the pushing block 20 on the connecting plate 13 can ensure the stable maintenance of the rectangular supporting block 18 in the disengaging state, effectively prevent the accidental return under the action of the natural restoring force of the first spring 11, and ensure the controllability and reliability of the whole disengaging process;
Secondly, the device possesses the ability of immediately sensing vibration, once detecting vibration signal, can trigger the second hydraulic stem 19 immediately and start working procedure, and the benefit of this design lies in that even just having applyed the power that breaks away from to a set of supporting component in the piece splashes the in-process, controller 2 also can respond rapidly, the action of breaking away from of synchronous starting another set of supporting component, in this way, effectively avoided because of supporting component breaks away from not thoroughly leading to the unable complete release pressure of extrusion dish 6, thereby the potential safety hazard that probably causes, in a word, this whole set of linkage mechanism is aimed at guaranteeing in the piece production in-process, two sets of supporting components can be synchronous and thoroughly break away from the contact with connection pad 7 and extrusion dish 6, equipment safety and operating efficiency have been ensured to the maximum extent.
As a technical optimization scheme of the invention: further comprises:
the two grooves 21 are respectively formed in the upper side and the lower side of the rectangular supporting block 18;
Two elastic telescopic rods 22 fixedly connected to the two slots 21 respectively;
the two jacking blocks 23 are respectively and fixedly connected to the telescopic ends of the two elastic telescopic rods 22;
The bracket 24 is fixedly connected to the bottom of the connecting disc 7;
The limiting block 25 is fixedly connected with the bracket 24 and is positioned between the two jacking blocks 23;
in specific implementation, it is explained in the above example that the connecting plate 13 and the extrusion plate are supported by the rectangular supporting block 18, so that the extrusion plate is separated after extrusion is completed, so that the extrusion block can be upwards bent under the stress, however, the rectangular supporting block 18 is arranged between the connecting plate 13 and the extrusion plate, because of a certain friction force, the rectangular supporting block 18 is not easy to slide out of the space between the connecting plate 13 and the extrusion plate after extrusion is completed;
Therefore, through setting up two roof blocks 23 and respectively with connection pad 7 and extrusion dish 6 contact, and then make arc shielding plate 15 receive external force effect after outwards removing, it drives rectangle supporting shoe 18 through linkage adjusting column 17 and slides outwards in step, along with this, rectangle supporting shoe 18 drives the roof blocks 23 of both sides and outwards moves in step, in view of the area of contact between roof blocks 23 and stopper 25 is very limited, this makes roof blocks 23 can more smoothly and rapidly separate when removing the support constraint with stopper 25, after stopper 25 is to the fixed effect of roof blocks 23, two elastic telescopic links 22 fast play, drive two roof blocks 23 to be close to each other, and then make them break away from the contact with connection pad 7 and extrusion dish 6 respectively, help quick release the spacing constraint to extrusion dish 6 through this kind of design, in order to help extrusion dish 6 to rebound upwards voluntarily, thereby effectively avoid taking place hard collision with hard things such as reinforcing bar, stone, ensure equipment safety.
As a technical optimization scheme of the invention: further comprises:
Two relief grooves 27 respectively formed on the side walls of the two rectangular support blocks 18;
Two rollers 28 rotatably connected to the insides of the two relief grooves 27, respectively;
In particular, by disposing the roller 28 at the contact interface between the connection disc 7 and the pressing disc 6, the rolling characteristic is utilized, so that the frictional resistance between the connection disc 7 and the pressing disc 6 is effectively reduced, and the holding block 23 can be released from the mutually bonded state of the connection disc 7 and the pressing disc 6 more smoothly.
As a technical optimization scheme of the invention: the elastic connector includes:
The vertical tube 29 is fixedly connected to the bottom center of the connecting disc 7;
A through groove 30 formed at the bottom of the vertical tube 29;
a spiral groove 31 formed in the through groove 30;
The vertical rod 32 is connected to the inside of the spiral groove 31 in a sliding way through a sliding column, and the vertical rod 32 is fixedly connected with the extrusion disc 6;
the second spring 26 is fixedly connected between the connecting disc 7 and the extrusion disc 6, and the second spring 26 is sleeved on the outer wall of the vertical rod 32;
In specific implementation, after the limit of the extrusion disc 6 is released, the extrusion disc 6 spontaneously and upwardly generates displacement due to the inherent elastic potential energy of the second spring 26, so as to prevent the extrusion disc 6 from being impacted by hard substances such as steel bars and hard stones in the downward movement process, thereby damaging equipment, and even if the extrusion disc 6 fails to stop in time after the limit is released, the extrusion disc 6 still continues to move downwards for a certain distance, at the moment, the second spring 26 can still be further compressed, so that an additional yielding space is provided for the extrusion disc 6, the potential damage of hard contact to the extrusion disc 6 is further reduced, and the impact energy generated by extrusion can be absorbed by the compression deformation of the spring, so that the impact load on the extrusion disc 6 and the whole system is reduced, and the service life of the equipment is prolonged;
In the process of upwards moving the extrusion disc 6, the vertical rod 32 can be driven to rotate under the action of the spiral groove 31, the vertical rod 32 can drive the extrusion disc 6 to rotate, on one hand, the extrusion disc 6 can help throwing out residual materials remained on the surface of the extrusion disc 6 and in the extrusion cavity in the rotating process, material accumulation and hardening are reduced, follow-up cleaning and maintenance work are facilitated, on the other hand, after extrusion is finished, certain kinetic energy possibly exists in the extrusion disc 6, the energy is released through rotation, stable stopping of equipment is facilitated, impact on a driving system and other parts is reduced, and accordingly the service life of the equipment is prolonged.
A control method of a river levee concrete precast member strength detecting apparatus as shown in fig. 1, the control method comprising the steps of:
a1, the controller 2 receives the vibration information acquired by the detection unit 16;
a2, the controller 2 generates first control information according to the vibration information;
a3, the controller 2 sends the first control information to the second hydraulic rod 19 to control the second hydraulic rod 19 to start pushing out, so as to drive the pushing block 20 to quickly push the connecting plate 13 to move.
As a technical optimization scheme of the invention: the detection unit 16 is a vibration sensor.
As a technical optimization scheme of the invention: the specific steps in the step A1 comprise:
Obtaining vibration information;
comparing the vibration information with a preset vibration value;
If the result is greater than or equal to the preset vibration value, the controller 2 controls the two second hydraulic rods 19 to start synchronously;
if the result is smaller than the preset vibration value, the reaction is not performed.
The working principle of the invention is as follows:
Placing the concrete prefabricated parts with strength to be tested on a receiving tray 3, then adjusting the distance between two groups of shielding assemblies and the concrete prefabricated parts according to actual needs to ensure that the shielding assemblies cannot interfere with the measured concrete prefabricated parts, controlling a first hydraulic rod 5 to start pushing out through a controller 2, enabling the first hydraulic rod 5 to push a connecting disc 7 to move downwards, enabling the connecting disc 7 to drive a pressing disc 6 to apply pressing force to the target concrete prefabricated parts through an elastic connecting piece and a supporting assembly, and accordingly testing the strength of the concrete prefabricated parts;
In the descending process of the connecting disc 7, the shielding component can be driven to move downwards synchronously, so that effective shielding of the concrete prefabricated part is guaranteed, when the concrete prefabricated part is crushed under the extrusion force of the extrusion disc 6, fragments generated by crushing of the concrete prefabricated part are scattered under the action of the force applied by the extrusion disc 6, the shielding component plays a role in intercepting the broken fragments, so that accidental injury to operators and mechanical equipment caused by the scattered fragments is effectively prevented, meanwhile, when the fragments collide with the intercepting component instantly, the extrusion test and completion of the concrete prefabricated part are meant, the reaction force generated by the fragments splashing acts on the intercepting component, and then the supporting component can be driven to slide out from the gap between the connecting disc 7 and the extrusion disc 6, so that after the test is completed, the extrusion disc 6 is enabled to rebound by upwards compressing the elastic telescopic part along with the contact stress of the extrusion disc 6 with hard sundries such as steel bars and stones, the like, the extrusion disc 6 can be helped to avoid self damage caused by the contact with the hard sundries such as the steel bars and stones, and the like, so that the extrusion disc 6 can be self-adjusted to be suitable for different materials with different hardness, shapes and sizes, different general conditions and different equipment flexibility are improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims.
Claims (10)
1. The utility model provides a river levee concrete prefab intensity detection device, includes chassis (1), fixed mounting has controller (2) on chassis (1), the top fixed mounting of chassis (1) has and holds dish (3), the top of chassis (1) is still fixed mounting has U type frame (4), the top fixedly connected with first hydraulic stem (5) of U type frame (4), its characterized in that: further comprises:
the connecting disc (7) is fixedly arranged at the telescopic end of the first hydraulic rod (5);
the elastic connecting piece is fixedly arranged at the center of the bottom of the connecting disc (7);
the extrusion disc (6) is fixedly arranged at the bottom of the elastic connecting piece;
The two groups of support components are arranged between the connecting disc (7) and the extrusion disc (6) and used for blocking the extrusion disc (6) from moving upwards under the condition of stress;
The two groups of shielding assemblies are arranged on the outer wall of the connecting plate (13), and the shielding structure is used for blocking fragments splashed by disintegration of the concrete prefabricated member after the first hydraulic rod (5) drives the extrusion plate (6) to apply the crushing pressure to the concrete prefabricated member;
When the shielding component is contacted with splashed scraps, the linkage action of the shielding component triggers the two groups of supporting components to release the positioning locking of the extrusion disc (6), so that the extrusion disc (6) is driven by the reaction force to realize upward displacement.
2. The river levee concrete precast member strength detection device of claim 1, wherein: the shielding assembly includes:
the sliding seat (8) is fixedly arranged above the connecting disc (7);
The sliding rod (9) is connected to the sliding seat (8) in a sliding manner, and a threaded hole is formed in the end part of the sliding rod (9);
The disc (10) is fixedly arranged at one end of the sliding rod (9) close to the first hydraulic rod (5);
The first spring (11) is fixedly arranged between the disc (10) and the sliding seat (8), and the first spring (11) is sleeved on the outer wall of the sliding rod (9);
a thread adjusting rod (12) in threaded connection with the threaded hole;
the rotary disc (14) is rotationally connected to the side wall of the connecting plate (13), and the rotary disc (14) is fixedly connected with the thread adjusting rod (12);
the arc-shaped shielding plate (15) is fixedly arranged at the bottom end of the connecting plate (13), and the supporting component is arranged on the inner wall of the arc-shaped shielding plate (15);
and a detection unit (16) for acquiring vibration information.
3. The river levee concrete precast member strength detecting device of claim 2, wherein: the support assembly includes:
The adjusting column (17) is fixedly connected to the inner wall of the arc-shaped shielding plate (15);
The rectangular supporting block (18) is fixedly connected to the end part of the adjusting column (17), and the rectangular supporting block (18) is located between the extrusion disc (6) and the connecting disc (7).
4. The river levee concrete precast member strength detecting device of claim 2, wherein: further comprises:
the second hydraulic rod (19) is fixedly connected to the side wall of the sliding seat (8);
The pushing block (20), the pushing block (20) is fixedly arranged at the telescopic end of the second hydraulic rod (19).
5. A river levee concrete precast member strength testing apparatus according to claim 3, characterized in that: further comprises:
The two grooves (21) are respectively formed in the upper side and the lower side of the rectangular supporting block (18);
Two elastic telescopic rods (22) which are respectively and fixedly connected to the two slots (21);
The two jacking blocks (23) are respectively and fixedly connected to the telescopic ends of the two elastic telescopic rods (22);
the bracket (24) is fixedly connected to the bottom of the connecting disc (7);
The limiting block (25) is fixedly connected with the support (24) and is positioned between the two jacking blocks (23).
6. The river levee concrete precast member strength detecting device of claim 5, wherein: further comprises:
Two abdicating grooves (27) which are respectively arranged on the side walls of the two rectangular supporting blocks (18);
and two rollers (28) are respectively and rotatably connected to the insides of the two yielding grooves (27).
7. The river levee concrete precast member strength detection device of claim 1, wherein: the elastic connection piece includes:
The vertical tube (29) is fixedly connected to the bottom center of the connecting disc (7);
a through groove (30) which is arranged at the bottom of the vertical tube (29);
a spiral groove (31) which is provided in the through groove (30);
The vertical rod (32) is connected to the inside of the spiral groove (31) in a sliding way through a sliding column, and the vertical rod (32) is fixedly connected with the extrusion disc (6);
The second spring (26) is fixedly connected between the connecting disc (7) and the extrusion disc (6), and the second spring (26) is sleeved on the outer wall of the vertical rod (32).
8. A method for controlling a river levee concrete prefabricated member strength detection apparatus, which is applicable to a river levee concrete prefabricated member strength detection apparatus according to any one of claims 4 to 7, characterized in that: the control method comprises the following steps:
A1, the controller (2) receives vibration information acquired by the detection unit (16);
a2, the controller (2) generates first control information according to the vibration information;
A3, the controller (2) sends the first control information to the second hydraulic rod (19) to control the second hydraulic rod (19) to start pushing out so as to drive the pushing block (20) to quickly push the connecting plate (13) to move.
9. The control method of the river levee concrete prefabricated member strength detection device according to claim 8, wherein: the detection unit (16) is a vibration sensor.
10. The control method of the river levee concrete prefabricated member strength detection device according to claim 8, wherein: the specific steps in the step A1 comprise:
Obtaining vibration information;
comparing the vibration information with a preset vibration value;
if the result is larger than or equal to a preset vibration value, the controller (2) controls the two second hydraulic rods (19) to start synchronously;
if the result is smaller than the preset vibration value, the reaction is not performed.
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