CN112033843A - Resilience meter for highway engineering structure concrete - Google Patents
Resilience meter for highway engineering structure concrete Download PDFInfo
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- CN112033843A CN112033843A CN202010902970.6A CN202010902970A CN112033843A CN 112033843 A CN112033843 A CN 112033843A CN 202010902970 A CN202010902970 A CN 202010902970A CN 112033843 A CN112033843 A CN 112033843A
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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
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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
- G01N3/04—Chucks
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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
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
- G01N2203/0083—Rebound strike or reflected energy
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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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0605—Mechanical indicating, recording or sensing means
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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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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- General Physics & Mathematics (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A resiliometer for highway engineering structural concrete comprises a resiliometer body, a mounting plate and a base; the base is provided with a level gauge, a loading part and a plurality of groups of threaded rods; the threaded rod is provided with a second handle; the mounting plate is provided with two groups of first handles and a second through hole for the rebound apparatus body to pass through, and the mounting plate is provided with a clamping assembly and a limiting slide block for fixedly clamping the rebound apparatus body on the mounting plate; a graduated scale is arranged on the outer peripheral surface of the resiliometer body; the loading part is provided with an accommodating bin; the accommodating bin is provided with a first through hole and a first opening for the rebound tester body to pass through on the end face of the loading part, two groups of second openings are arranged on the inner wall of the accommodating bin, and a plurality of groups of first sliding grooves for slidably connecting a plurality of groups of limiting sliding blocks are arranged on the inner wall of the accommodating bin along the central axis direction of the loading part; all be equipped with direction buffering subassembly in every first spout of group. The invention has simple operation and convenient use, can quickly adjust the resiliometer body to be horizontal and vertical to the concrete plane with detection, and has good stability.
Description
Technical Field
The invention relates to the technical field of resiliometers, in particular to a resiliometer for highway engineering structural concrete.
Background
The concrete compressive strength is an important index for determining the concrete quality, and is closely related to the current health situation and the durability of a concrete structure, and the higher the compressive strength is, the stronger the bearing capacity of the structure is, and the better the health situation and the durability are, so that the detection of the compressive strength of the concrete is an important means for judging the concrete quality, and the detection is mostly carried out by adopting a resiliometer; the resiliometer drives the elastic hammer by a spring and leads the hammer to drive the pointer to rebound and indicate the rebound distance by the restoring force of instantaneous elastic deformation generated by the elastic striking of the elastic striking rod on the surface of the brick sample, and the rebound value is taken as one of relevant indexes for evaluating the compressive strength of the mortar; when the tester is used, the axis of the resiliometer is ensured to be always vertical to a concrete test surface, the force is uniformly and slowly applied, the tester is aligned with the test surface, and the tester is slowly pushed and quickly read; the existing resiliometer is manually operated when in use, force is directly applied to the resiliometer by manpower vertically, uniform and slow application cannot be guaranteed, the resiliometer cannot be disassembled and assembled, is inconvenient to carry, and can be quickly centered and assembled; therefore, the application provides a resiliometer for highway engineering structure concrete.
Disclosure of Invention
Objects of the invention
The invention provides a resiliometer for highway engineering structure concrete, which is simple to operate, convenient to use, capable of quickly adjusting the resiliometer body to be horizontal and vertical to a concrete plane with detection, good in stability and convenient to disassemble, assemble and carry.
(II) technical scheme
In order to solve the problems, the invention provides a rebound apparatus for highway engineering structure concrete, which comprises a loading part, a rebound apparatus body, a mounting plate, a base, a threaded rod, a second handle and a limiting slide block, wherein the loading part is provided with a first handle;
the base is provided with a level gauge, the base is connected with one end of the loading part, and the base is provided with a plurality of groups of threaded holes; the multiple groups of threaded holes are uniformly distributed in a circumference manner by taking the central axis of the loading part as the center; one end of each of the multiple groups of threaded rods is connected with the multiple groups of second handles, and the other end of each of the multiple groups of threaded rods penetrates through the multiple groups of threaded holes in a threaded manner;
two groups of first handles are symmetrically arranged on the side end face of the mounting plate by taking the central axis of the mounting plate as a center, a second through hole for the rebound tester body to pass through is formed in the center of the mounting plate, and a clamping assembly for fixedly clamping the rebound tester body on the mounting plate is arranged on the mounting plate; wherein, the peripheral surface of the resiliometer body is provided with a graduated scale; the multiple groups of limiting slide blocks are connected with the side end surface of the mounting plate;
the other end of the loading part is provided with an accommodating bin along the central axis direction thereof; the end face, close to the base, of the loading part of the containing bin is provided with a first through hole for the resiliometer body to pass through, the end face of the loading part of the containing bin is provided with a first opening for observing the graduated scale, the inner wall of the containing bin is provided with two groups of second openings for containing two groups of first handles, and the inner wall of the containing bin along the central axis direction of the loading part is provided with a plurality of groups of first sliding chutes for slidably connecting a plurality of groups of limiting sliding blocks; a guide buffer component for guiding and buffering the limiting slide block is arranged in each group of first sliding grooves;
under the state that the mounting panel is in holding the storehouse, the axis of mounting panel and the coincidence of the axis of loading portion.
Preferably, the other ends of the multiple groups of threaded rods are all provided with taper shapes.
Preferably, the projection shape of the loading part is a circle; the base is sleeved outside the loading part in a threaded manner; wherein, the number of the threaded rods is three groups.
Preferably, the outer sides of each group of first handles and each group of second handles are all sleeved with rubber protective sleeves.
Preferably, each group of guide buffer components comprises a support plate, a guide rod, a fastener and a first spring; wherein, a plurality of groups of third through holes for the guide rods to pass through are respectively arranged on the plurality of groups of limiting slide blocks; the plurality of groups of limiting slide blocks, the plurality of groups of supporting plates, the plurality of groups of guide rods, the plurality of groups of first springs and the plurality of groups of first sliding grooves are in one-to-one correspondence;
a plurality of groups of fourth through holes are respectively arranged on the plurality of groups of supporting plates; the central axis of the guide rod is parallel to the central axis of the loading part, one end of the guide rod is connected with the bottom surface of the first sliding groove, and the other end of the guide rod penetrates through the fourth through hole in a sliding manner;
the first spring is sleeved on the outer side of the guide rod, and two ends of the first spring are respectively connected with the bottom surface of the first sliding chute and the supporting plate;
the fastener threaded sleeve is established in the outside of guide bar, forms the space that is used for centre gripping limiting slide block between fastener and the backup pad.
Preferably, every group backup pad all with the first spout sliding connection of every group, three groups are no less than to the quantity of backup pad.
Preferably, the projection shapes of the loading part and the mounting plate are regular polygons.
Preferably, the clamping assembly comprises a clamping cylinder, a plurality of groups of clamping plates and a plurality of groups of second springs; wherein, the end surface of the mounting plate is provided with a mounting groove; the mounting groove and the second through holes are concentrically arranged, and the mounting groove is provided with a plurality of groups of fifth through holes for connecting the mounting groove and the second through holes; a plurality of groups of second sliding grooves are formed in the inner wall of each group of fifth through holes;
the plurality of groups of clamping plates correspond to the plurality of groups of fifth through holes one by one, and a plurality of groups of sliding plates are respectively arranged on the side end faces of the plurality of groups of clamping plates; the plurality of groups of sliding plates are respectively connected with the plurality of groups of second sliding chutes in a sliding manner; the second sliding grooves are provided with third openings on the inner walls of the second through holes;
the multiple groups of second springs are respectively positioned in the multiple groups of second sliding grooves, one ends of the multiple groups of second springs are respectively connected with the inner walls of the multiple groups of second sliding grooves, and the other ends of the multiple groups of second springs are respectively connected with the multiple groups of sliding plates; the upper end surfaces of the plurality of groups of clamping plates positioned in the mounting grooves are in transitional connection with the side end surfaces of the mounting grooves by adopting first inclined surfaces;
the inner diameter value of the clamping cylinder is larger than the outer diameter value of the resiliometer body, the inner end face of the clamping cylinder is in transitional connection with two end faces of the clamping cylinder through two groups of second inclined faces respectively, and the clamping cylinder is screwed into the mounting groove in a threaded mode; the second inclined planes are attached to the multiple groups of first inclined planes and used for pushing the multiple groups of clamping plates to move towards the central axis direction of the second through hole; the outer peripheral surface of the rebound tester body is pressed in a pressure-equalizing manner by the end faces of the plurality of groups of clamping plates in the direction of the central axis of the second through hole.
Preferably, the projection shape of the clamping plate is a sector ring, and the end face of each group of clamping plates facing to the central axis direction of the second through hole is provided with a bulge.
Preferably, a transparent plate is embedded in the first opening.
The technical scheme of the invention has the following beneficial technical effects:
when the device is used, the other ends of the multiple groups of threaded rods are tightly pressed with the concrete plane of the highway engineering structure to be detected; rotating a plurality of groups of threaded rods on the base and adjusting the base horizontally through a level gauge arranged on the base so as to adjust the device horizontally;
the two groups of first handles are held by hands, and the mounting plate is pressed towards the direction of the base along the central axis direction of the loading part; the mounting plate and the resiliometer body fixedly clamped on the mounting plate are driven to move, the multiple groups of guide buffer assemblies are pressed by specific elastic force, so that the resiliometer body can be slowly pushed, and the scale arranged on the resiliometer body can quickly read, so that the resiliometer is simple to operate and convenient to use; in addition, the mounting plate and the resiliometer body are rapidly matched, clamped and mounted through the clamping assembly, so that the coincidence of the central axis of the resiliometer body, the central axis of the mounting plate and the central axis of the loading part can be ensured, and the detection accuracy of the resiliometer body is ensured; when the resiliometer body is clamped, the clamping cylinder is sleeved on the outer side of the resiliometer body and screwed into the second mounting groove, the second inclined surface of the end surface of the clamping cylinder is attached to the plurality of groups of first inclined surfaces, the clamping cylinder pushes the plurality of groups of clamping plates to move towards the central axis direction of the second through hole along the length direction of the second sliding groove until the end surfaces of the opposite clamping plates towards the central axis direction of the second through hole tightly press the resiliometer body, so that the resiliometer body is stably centered and clamped at the center of the mounting plate;
according to the invention, the guide rod penetrates through the third through hole formed in the limiting sliding block, and the limiting sliding block and the supporting plate are tightly pressed by using the fastener, so that the mounting plate is fixedly mounted in the accommodating bin and slides along the guide rod, and the plurality of groups of first springs are compressed to have elastic force, so that the mounting plate and the resiliometer body move slowly together; in addition, this device conveniently carries out the dismouting, can assemble the resiliometer body quick centering.
Drawings
Fig. 1 is a front view of a rebound apparatus for road engineering structural concrete according to the present invention.
Fig. 2 is a top view of a mounting plate in a rebound apparatus for road engineering structural concrete according to the present invention.
Fig. 3 is a schematic structural diagram of the matching of the clamping plate and the mounting plate in the resiliometer for highway engineering structural concrete provided by the invention.
Fig. 4 is a schematic structural diagram of the clamping cylinder and the clamping plate in the rebound apparatus for highway engineering structural concrete provided by the invention.
Fig. 5 is a top view of the combination of a base and a loading part in the rebound apparatus for road engineering structural concrete provided by the invention.
Fig. 6 is a schematic perspective view of a loading portion of a rebound apparatus for road engineering structural concrete according to the present invention.
Fig. 7 is a plan view of a loading part of a rebound apparatus for road construction structural concrete according to the present invention.
Fig. 8 is a schematic structural diagram of a limiting slide block and a loading part in a rebound apparatus for highway engineering structural concrete, which are provided by the invention, which are installed in a matched manner.
Reference numerals: 1. a loading section; 2. a first handle; 3. a first opening; 4. a resiliometer body; 5. a graduated scale; 6. a clamping cylinder; 61. a second inclined surface; 7. mounting a plate; 8. a base; 81. a threaded hole; 9. a threaded rod; 10. a second handle; 11. a limiting slide block; 12. a third through hole; 13. mounting grooves; 14. a clamping plate; 141. a first inclined surface; 15. a second through hole; 16. a slide plate; 17. a second spring; 18. a second chute; 19. a first through hole; 20. a first chute; 21. a second opening; 22. an accommodating bin; 23. a support plate; 24. a fourth via hole; 25. a guide bar; 26. a fastener; 27. a first spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 to 8, the rebound apparatus for highway engineering structural concrete provided by the invention comprises a loading part 1, a rebound apparatus body 4, a mounting plate 7, a base 8, a threaded rod 9, a second handle 10 and a limiting slide block 11;
a level gauge is arranged on the base 8; the base 8 is conveniently adjusted to be horizontal through the level gauge, the device is further adjusted to be horizontal, so that the rebound apparatus body 4 is ensured to be vertical to a concrete plane of a highway engineering structure to be detected, the base 8 is connected with one end of the loading part 1, and a plurality of groups of threaded holes 81 are formed in the base 8; the plurality of groups of threaded holes 81 are circumferentially and uniformly distributed by taking the central axis of the loading part 1 as the center; one end of each of the plurality of groups of threaded rods 9 is connected with the plurality of groups of second handles 10, and the other end of each of the plurality of groups of threaded rods 9 penetrates through the plurality of groups of threaded holes 81 in a threaded manner;
two groups of first handles 2 are symmetrically arranged on the side end face of the mounting plate 7 by taking the central axis of the mounting plate 7 as a center, a second through hole 15 for the rebound tester body 4 to pass through is formed in the center of the mounting plate 7, and a clamping assembly for fixedly clamping the rebound tester body 4 on the mounting plate 7 is arranged on the mounting plate 7; wherein, the peripheral surface of the resiliometer body 4 is provided with a graduated scale 5;
the multiple groups of limiting slide blocks 11 are connected with the side end face of the mounting plate 7; the projection shape of the mounting plate 7 is circular, and the multiple groups of limiting slide blocks 11 are uniformly distributed in a circumference manner by taking the central axis direction of the mounting plate 7 as the center;
the other end of the loading part 1 is provided with an accommodating bin 22 along the central axis direction thereof; the end face, close to the base 8, of the loading part 1 of the containing bin 22 is provided with a first through hole 19 for the resiliometer body 4 to pass through, the end face of the loading part 1 of the containing bin 22 is provided with a first opening 3 for observing the graduated scale 5, the inner wall of the containing bin 22 is provided with two groups of second openings 21 for containing two groups of first handles 2, and the inner wall of the containing bin 22 along the central axis direction of the loading part 1 is provided with a plurality of groups of first sliding chutes 20 for slidably connecting a plurality of groups of limiting sliding blocks 11; a guide buffer component for guiding and buffering the limiting slide block 11 is arranged in each group of the first sliding grooves 20;
under mounting panel 7 was in the state that holds in the storehouse 22, mounting panel 7's axis and the coincidence of the axis of loading portion 1, multiunit spacing slider 11 and multiunit direction buffering subassembly cooperation are connected to install that mounting panel 7 is firm in holding storehouse 22, and then guarantee the coincidence of the axis of loading portion 1 and the axis of resiliometer body 4.
When the device is used, the other ends of the multiple groups of threaded rods 9 are tightly pressed with the concrete plane of the highway engineering structure to be detected; rotating a plurality of groups of threaded rods 9 on the base 8 and adjusting the base 8 to be horizontal through a level gauge arranged on the base 8 so as to adjust the device to be horizontal; the two groups of first handles 2 are held by hands, and the mounting plate 7 is pressed towards the direction of the base 8 along the central axis direction of the loading part 1; the mounting plate 7 and the resiliometer body 4 fixedly clamped on the mounting plate 7 are driven to move, the multiple groups of guide buffer assemblies are pressed by specific elastic force, so that the resiliometer body 4 can be slowly pushed, and the scale 5 arranged on the resiliometer body 4 can quickly read, so that the operation is simple and the use is convenient; in addition, cooperate the centre gripping installation through the clamping subassembly fast between mounting panel 7 and the resiliometer body 4, can guarantee the axis of resiliometer body 4, the axis of mounting panel 7 and the axis coincidence of loading portion 1 to guarantee the detection precision of resiliometer body 4.
In an alternative embodiment, the other ends of the multiple groups of threaded rods 9 are all provided with taper shapes, and the other ends of the threaded rods 9 are provided with taper shapes so as to ensure the stability when the multiple groups of threaded rods 9 are tightly pressed with the concrete plane of the highway engineering structure.
In an alternative embodiment, the projection of the loading section 1 is circular in shape; the base 8 is sleeved outside the loading part 1 in a threaded manner, and the base 8 is in threaded fit connection with the loading part 1 so as to be convenient for dismounting the base 8; the number of the threaded rods 9 is three; the three groups of threaded rods 9 are distributed in a triangular shape, and the triangular stability is good; be equipped with multiunit screw hole 81 on base 8 to the distribution position of three threaded rods 9 of convenient according to the roughness on detection plane, the three threaded rods 9 of adjustment satisfy the needs that carry out the support to different roughness planes, through three threaded rods 9 of adjustment and cooperation spirit level in order to make things convenient for with base 8 fast speed adjusting level.
In an alternative embodiment, the outer sides of each set of the first handle 2 and each set of the second handle 10 are covered with a rubber protection sleeve to improve the comfort of the user holding the first handle 2 or the second handle 10 and to protect the user.
In an alternative embodiment, each set of guide cushion assemblies includes a support plate 23, a guide rod 25, a fastener 26, and a first spring 27; wherein, a plurality of groups of third through holes 12 for the plurality of groups of guide rods 25 to pass through in a sliding manner are respectively arranged on the plurality of groups of limit slide blocks 11; the plurality of groups of limiting slide blocks 11, the plurality of groups of supporting plates 23, the plurality of groups of guide rods 25, the plurality of groups of first springs 27 and the plurality of groups of first sliding grooves 20 are in one-to-one correspondence;
a plurality of groups of fourth through holes 24 are respectively arranged on the plurality of groups of supporting plates 23; the central axis of the guide rod 25 is parallel to the central axis of the loading part 1, one end of the guide rod 25 is connected with the bottom surface of the first sliding chute 20, and the other end of the guide rod 25 penetrates through the fourth through hole 24 in a sliding manner;
the first spring 27 is sleeved on the outer side of the guide rod 25, and two ends of the first spring 27 are respectively connected with the bottom surface of the first chute 20 and the support plate 23;
the fastening piece 26 is sleeved on the outer side of the guide rod 25 in a threaded manner, and a space for clamping the limiting slide block 11 is formed between the fastening piece 26 and the support plate 23;
during the use, guide bar 25 passes the third through hole 12 that is equipped with on the spacing slider 11 to use fastener 26 to compress tightly spacing slider 11 and backup pad 23, thereby with mounting panel 7 fixed mounting in holding storehouse 22, mounting panel 7 slides along guide bar 25, and multiunit first spring 27 is compressed and is had the elastic force, makes mounting panel 7 and resiliometer body 4 slow removal together.
In an alternative embodiment, each group of support plates 23 is slidably connected to each group of first sliding grooves 20, and the number of the support plates 23 is not less than three; the projection shape of the mounting plate 7 is circular, and the plurality of groups of support plates 23 are uniformly distributed in a circumference manner by taking the central axis of the mounting plate 7 as the center.
In an alternative embodiment, the projection shapes of the loading part 1 and the mounting plate 7 are regular polygons, and further, the projection shapes of the loading part 1 and the mounting plate 7 are regular triangles.
In an alternative embodiment, the clamping assembly comprises a clamping cylinder 6, a plurality of groups of clamping plates 14 and a plurality of groups of second springs 17; wherein, the end surface of the mounting plate 7 is provided with a mounting groove 13; the mounting groove 13 and the second through hole 15 are concentrically arranged; the mounting plate 7 of the mounting groove 13 is provided with a plurality of groups of fifth through holes for connecting the mounting groove 13 and the second through holes 15; a plurality of groups of second sliding grooves 18 are formed in the inner wall of each group of fifth through holes;
the plurality of groups of clamping plates 14 correspond to the plurality of groups of fifth through holes one by one, and a plurality of groups of sliding plates 16 are respectively arranged on the side end surfaces of the plurality of groups of clamping plates 14; the plurality of groups of sliding plates 16 are respectively connected with the plurality of groups of second sliding chutes 18 in a sliding manner; the second sliding grooves 18 are provided with third openings on the inner walls of the second through holes 15;
the multiple groups of second springs 17 are respectively positioned in the multiple groups of second sliding grooves 18, one ends of the multiple groups of second springs 17 are respectively connected with the inner walls of the multiple groups of second sliding grooves 18, and the other ends of the multiple groups of second springs 17 are respectively connected with the multiple groups of sliding plates 16; the upper end surfaces of the multiple groups of clamping plates 14 positioned in the mounting grooves 13 are in transitional connection with the side end surfaces thereof by adopting first inclined surfaces 141;
the inner diameter value of the clamping cylinder 6 is larger than the outer diameter value of the resiliometer body 4, the inner end face of the clamping cylinder 6 is in transition connection with the two end faces of the clamping cylinder through two groups of second inclined faces 61, and the clamping cylinder 6 is screwed into the mounting groove 13; the second inclined surface 61 is attached to the plurality of groups of first inclined surfaces 141 for pushing the plurality of groups of clamping plates 14 to move towards the central axis direction of the second through hole 15; the end faces of the multiple groups of clamping plates 14 facing to the central axis direction of the second through hole 15 press the peripheral surface of the resiliometer body 4;
during the use, 6 covers in the outside of resiliometer body 4 of a centre gripping section of thick bamboo 6 to in the screw in second mounting groove, the first inclined plane 141 of multiunit of second inclined plane 61 laminating of 6 terminal surfaces of a centre gripping section of thick bamboo, a centre gripping section of thick bamboo 6 promotes multiunit grip block 14 along the length direction of second spout 18 and removes towards the axis direction of second through-hole 15, until the grip block 14 that right compresses tightly resiliometer body 4 towards the terminal surface of the axis direction of second through-hole 15, thereby locate the centre gripping that resiliometer body 4 is firm at the center of mounting panel 7.
In an alternative embodiment, the projection shape of the clamping plates 14 is a sector ring shape, and the end surface of each group of clamping plates 14 facing the central axis direction of the second through hole 15 is provided with a protrusion; the end face of the clamping plate 14 is provided with a bulge to improve the clamping force on the resiliometer body 4 and ensure the stability of clamping the resiliometer body 4;
furthermore, the bumps are made of but not limited to rubber; the bulge that the rubber material was made can not cause the indentation to the surface of resiliometer body 4.
In an alternative embodiment, a transparent plate is embedded in the first opening 3.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A road engineering structure concrete rebound instrument is characterized by comprising a loading part (1), a rebound instrument body (4), a mounting plate (7), a base (8), a threaded rod (9), a second handle (10) and a limiting slide block (11);
a level gauge is arranged on the base (8), the base (8) is connected with one end of the loading part (1), and a plurality of groups of threaded holes (81) are arranged on the base (8); the multiple groups of threaded holes (81) are uniformly distributed in a circumference manner by taking the central axis of the loading part (1) as the center; one end of each of the multiple groups of threaded rods (9) is connected with the multiple groups of second handles (10), and the other end of each of the multiple groups of threaded rods (9) penetrates through the multiple groups of threaded holes (81) in a threaded manner;
two groups of first handles (2) are symmetrically arranged on the side end face of the mounting plate (7) by taking the central axis of the mounting plate (7) as a center, a second through hole (15) for the rebound tester body (4) to pass through is formed in the center of the mounting plate (7), and a clamping assembly for fixedly clamping the rebound tester body (4) on the mounting plate (7) is arranged on the mounting plate (7); wherein, the outer peripheral surface of the resiliometer body (4) is provided with a graduated scale (5); the multiple groups of limiting slide blocks (11) are connected with the side end surface of the mounting plate (7);
the other end of the loading part (1) is provided with an accommodating bin (22) along the central axial direction thereof; a first through hole (19) for allowing the resiliometer body (4) to penetrate is formed in the end face, close to the base (8), of the loading portion (1) of the containing bin (22), first openings (3) for observing the graduated scales (5) are formed in the end face of the loading portion (1) of the containing bin (22), two groups of second openings (21) for containing two groups of first handles (2) are formed in the inner wall of the containing bin (22), and a plurality of groups of first sliding chutes (20) for slidably connecting a plurality of groups of limiting sliding blocks (11) are formed in the inner wall of the containing bin (22) along the central axis direction of the loading portion (1); each group of first sliding grooves (20) is internally provided with a guide buffer component for guiding and buffering the limiting sliding block (11);
the mounting plate (7) is in the state of accommodating the storehouse (22), and the axis of the mounting plate (7) coincides with the axis of the loading part (1).
2. A road engineering structure concrete rebound instrument according to claim 1, wherein the other ends of the sets of threaded rods (9) are tapered.
3. A rebound apparatus for road construction structural concrete according to claim 1, wherein the loading portion (1) has a circular projected shape; the base (8) is sleeved outside the loading part (1) in a threaded manner; wherein, the number of the threaded rods (9) is three.
4. A road engineering structure concrete rebound instrument according to claim 1, wherein the outer side of each set of the first handle (2) and each set of the second handle (10) is provided with a rubber protective sleeve.
5. A road engineering structure concrete rebound instrument according to claim 1, wherein each set of guide cushion components comprises a support plate (23), a guide rod (25), a fastener (26) and a first spring (27); wherein, a plurality of groups of third through holes (12) for the plurality of groups of guide rods (25) to pass through in a sliding way are respectively arranged on the plurality of groups of limiting slide blocks (11); a plurality of groups of limiting slide blocks (11), a plurality of groups of supporting plates (23), a plurality of groups of guide rods (25), a plurality of groups of first springs (27) and a plurality of groups of first sliding grooves (20) are in one-to-one correspondence;
a plurality of groups of fourth through holes (24) are respectively arranged on the plurality of groups of supporting plates (23); the central axis of the guide rod (25) is parallel to the central axis of the loading part (1), one end of the guide rod (25) is connected with the bottom surface of the first sliding chute (20), and the other end of the guide rod (25) penetrates through the fourth through hole (24) in a sliding manner;
the first spring (27) is sleeved on the outer side of the guide rod (25), and two ends of the first spring (27) are respectively connected with the bottom surface of the first sliding chute (20) and the supporting plate (23);
the fastening piece (26) is sleeved on the outer side of the guide rod (25) in a threaded mode, and a space for clamping the limiting sliding block (11) is formed between the fastening piece (26) and the supporting plate (23).
6. A road engineering structure concrete rebound instrument according to claim 5, wherein each set of support plates (23) is slidably connected with each set of first sliding grooves (20), and the number of the support plates (23) is not less than three sets.
7. A road engineering structure concrete rebound instrument according to claim 1, wherein the projection shapes of the loading part (1) and the mounting plate (7) are regular polygons.
8. The resiliometer for highway engineering structural concrete according to claim 1, wherein the clamping assembly comprises a clamping cylinder (6), a plurality of groups of clamping plates (14) and a plurality of groups of second springs (17); wherein, the end surface of the mounting plate (7) is provided with a mounting groove (13); the mounting groove (13) and the second through hole (15) are concentrically arranged, and a plurality of groups of fifth through holes for connecting the mounting groove (13) and the second through hole (15) are arranged on the mounting plate (7) of the mounting groove (13); a plurality of groups of second sliding grooves (18) are formed in the inner wall of each group of fifth through holes;
the groups of clamping plates (14) correspond to the groups of fifth through holes one by one, and the side end surfaces of the groups of clamping plates (14) are respectively provided with a plurality of groups of sliding plates (16); the sliding plates (16) are respectively connected with the second sliding chutes (18) in a sliding way; the second sliding grooves (18) are provided with third openings on the inner walls of the second through holes (15);
the multiple groups of second springs (17) are respectively positioned in the multiple groups of second sliding grooves (18), one ends of the multiple groups of second springs (17) are respectively connected with the inner walls of the multiple groups of second sliding grooves (18), and the other ends of the multiple groups of second springs (17) are respectively connected with the multiple groups of sliding plates (16); the clamping plates (14) are positioned on the upper end face of the mounting groove (13) and are in transitional connection with the side end face of the mounting groove by adopting first inclined faces (141);
the inner diameter value of the clamping cylinder (6) is larger than the outer diameter value of the resiliometer body (4), the inner end face of the clamping cylinder (6) is in transitional connection with the two end faces of the clamping cylinder through two groups of second inclined faces (61), and the clamping cylinder (6) is screwed into the mounting groove (13) in a threaded mode; the second inclined surface (61) is attached to the plurality of groups of first inclined surfaces (141) and used for pushing the plurality of groups of clamping plates (14) to move towards the central axis direction of the second through hole (15); the end faces of the plurality of groups of clamping plates (14) towards the central axis direction of the second through hole (15) press the peripheral surface of the resiliometer body (4).
9. The resiliometer for highway engineering structural concrete according to claim 8, wherein the projected shape of the clamping plates (14) is fan-shaped, and the end surface of each group of clamping plates (14) facing the central axis direction of the second through hole (15) is provided with a protrusion.
10. A road engineering structure concrete rebound instrument as set forth in claim 1, wherein a transparent plate is embedded in the first opening (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010902970.6A CN112033843A (en) | 2020-09-01 | 2020-09-01 | Resilience meter for highway engineering structure concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010902970.6A CN112033843A (en) | 2020-09-01 | 2020-09-01 | Resilience meter for highway engineering structure concrete |
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| Publication Number | Publication Date |
|---|---|
| CN112033843A true CN112033843A (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010902970.6A Withdrawn CN112033843A (en) | 2020-09-01 | 2020-09-01 | Resilience meter for highway engineering structure concrete |
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| Country | Link |
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| CN (1) | CN112033843A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113848126A (en) * | 2021-09-24 | 2021-12-28 | 河南省育兴建设工程管理有限公司 | Building concrete strength detection device and method |
-
2020
- 2020-09-01 CN CN202010902970.6A patent/CN112033843A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113848126A (en) * | 2021-09-24 | 2021-12-28 | 河南省育兴建设工程管理有限公司 | Building concrete strength detection device and method |
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Application publication date: 20201204 |