CN114280282B - Be used for concrete shrinkage test device - Google Patents
Be used for concrete shrinkage test device Download PDFInfo
- Publication number
- CN114280282B CN114280282B CN202111631663.XA CN202111631663A CN114280282B CN 114280282 B CN114280282 B CN 114280282B CN 202111631663 A CN202111631663 A CN 202111631663A CN 114280282 B CN114280282 B CN 114280282B
- Authority
- CN
- China
- Prior art keywords
- lifting
- roller
- sliding
- pushing
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a shrinkage test device for concrete, which relates to the technical field of constructional engineering and comprises the following components: a base; the roller operating piece is rotationally connected to the left side of the front end face of the base; the measuring dial indicator is fixedly connected to the upper part of the base; the pushing sliding piece is connected inside the right side of the base bottom plate in a sliding way; the pushing transmission mechanism is arranged in the base, and the pushing operation piece drives the pushing sliding piece to slide back and forth through the pushing transmission mechanism; the measuring rod protection mechanism is arranged on the right side inside the bottom of the base. The concrete shrinkage test device has the advantages that the stability of moving flexibility and supporting is realized, the phenomenon that the measured piece collides with the measuring dial indicator is effectively avoided, the safety of the measuring dial indicator is improved, the phenomenon that the measured piece is easy to creep when the position of the measured piece is finely adjusted by the existing concrete shrinkage test device is solved, the installation accuracy of the measured piece is influenced, and the measured piece is easy to touch the dial indicator to cause the damage of the dial indicator.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a device for a concrete shrinkage test.
Background
Concrete is an indispensable building material in the building engineering, and various properties of the concrete need to be detected in the application process of the concrete so as to ensure that the strength of the concrete can meet the use requirement, a concrete shrinkage test is the most common concrete test mode, in the shrinkage test process of the concrete, a tested object is generally placed on a workbench, one end of the tested object is positioned, and the other end of the tested object is used for measuring the deformation through a dial indicator.
However, when the position of a measured piece is finely adjusted by the existing concrete shrinkage test device, the phenomenon of creeping is easy to occur due to the fact that the weight of the measured piece is heavy and the friction force is large, the installation accuracy of the measured piece is affected, and meanwhile, the measured piece is easy to touch the dial indicator to cause the damage of the dial indicator due to the fact that the dial indicator belongs to a precise instrument.
Disclosure of Invention
In view of the above, the invention provides a device for concrete shrinkage test, which has the flexibility of movement and the stability of support, effectively avoids the collision of a measured piece to a measuring dial indicator, and improves the safety of the measuring dial indicator.
The invention provides a shrinkage test device for concrete, which specifically comprises: a base;
the roller operating piece is rotationally connected to the left side of the front end face of the base;
the roller seat is connected above the bottom plate of the base in a sliding manner;
the roller lifting transmission mechanism is arranged in the base, and the roller operating piece drives the roller seat to be driven up and down through the roller lifting transmission mechanism;
the pushing operation piece is rotationally connected to the right side of the front end face of the base;
the measuring dial indicator is fixedly connected to the upper part of the base;
the pushing sliding piece is connected inside the right side of the base bottom plate in a sliding way;
the pushing transmission mechanism is arranged in the base, and the pushing operation piece drives the pushing sliding piece to slide back and forth through the pushing transmission mechanism;
the measuring rod protection mechanism is arranged on the right side inside the bottom of the base.
Optionally, the roller lifting transmission mechanism further comprises:
the roller lifting driving rods are provided with two groups, the two groups of roller lifting driving rods are respectively and rotatably connected to the left side and the right side of the inside of the base, and the left group of roller lifting driving rods are coaxially and fixedly connected with the roller operating piece;
the lifting and moving transmission parts are coaxially and fixedly connected to the front end face of the roller lifting driving rod, and the two groups of lifting and moving transmission parts are in transmission connection through a transmission chain to form a transmission chain transmission mechanism.
Optionally, the roller lifting transmission mechanism further comprises:
the lifting driving screw rods are coaxially and fixedly connected to the front end and the rear end of the roller lifting driving rods, and the pitches of the two groups of lifting driving screw rods on the same group of roller lifting driving rods are the same and the directions of rotation are opposite;
the four groups of roller driving sliding blocks are respectively and slidably connected to four inner corners of the base, and the lifting driving screw rod is in threaded transmission connection with the roller driving sliding blocks on the same side to jointly form a screw rod nut transmission pair.
Optionally, the roller lifting transmission mechanism further comprises:
the lifting driving wedge block is fixedly connected to the top of the roller driving slide block, and the lifting driving wedge blocks of the front roller driving slide block and the rear roller driving slide block are oppositely arranged;
the lifting driven wedges are provided with two groups, the two groups of lifting driven wedges are respectively fixedly connected to the left side and the right side of the bottom of the roller seat, the lower parts of the front end face and the rear end face of the lifting driven wedges are respectively of inclined structures, and a wedge mechanism is jointly formed between the lifting driving wedge and the lifting driven wedge.
Optionally, the roller seat further includes:
the movable rollers are of spherical structures, and the movable rollers are uniformly distributed and connected to the upper end surfaces of the roller seats in a spherical rotation mode.
Optionally, the base further includes:
the dial indicator fixing clamp is fixedly connected to the upper right side of the base and is of a C-shaped pipe hoop structure;
the fixture positioning grooves are uniformly distributed and arranged in the inner holes of the dial indicator fixing fixtures;
the measuring dial gauge also comprises:
the gauge outfit locating ring blocks are uniformly distributed and fixedly connected to the left side of the outer shell of the measuring dial indicator, and are connected with the clamp locating grooves in a clamping mode.
Optionally, the pushing transmission mechanism further comprises:
the pushing driving screw is coaxially and fixedly connected to the rear end face of the pushing operation member, and the pushing driving screw and the pushing sliding member are in threaded transmission connection to form a screw nut transmission pair;
the pushing clamping block is of an L-shaped structure and is fixedly connected to the top of the pushing sliding piece.
Optionally, the measuring rod protection mechanism further includes:
the sliding driving chute is arranged at the bottom of the pushing sliding piece;
the left sliding seat and the right sliding seat are connected to the inner side of the bottom of the base in a left-right sliding manner;
the sliding driven rod is fixedly connected to the left upper part of the left sliding seat and the right sliding seat, is slidably connected in the sliding driving chute, and forms a movable cam pair together with the sliding driving chute.
Optionally, the measuring rod protection mechanism further includes:
the lifting driving chute is arranged on the right end surface of the pushing sliding piece;
the lifting block is connected to the upper parts of the left and right sliding seats in a sliding manner;
and the lifting driven rod is fixedly connected to the left end face of the lifting block, and is slidably connected to the inside of the lifting driving chute, and a sliding cam mechanism is formed between the lifting driving chute and the lifting driven rod.
Optionally, the measuring rod protection mechanism further includes:
the measuring rod stirring part is fixedly connected to the top of the lifting block and is of a U-shaped structure;
the measuring rod baffle ring is of an annular structure and is fixedly connected to the measuring rod of the measuring dial indicator.
Advantageous effects
According to the shrinkage test device provided by the embodiments of the invention, the moving flexibility and the supporting stability are ensured through the liftable roller seat, the left-right sliding of the measured piece is effectively avoided by positioning the measured piece through the pushing clamping block, the measuring rod of the measuring dial indicator is pushed to the right side by the measuring rod stirring part, the measuring rod is separated from the measured piece, the measured piece is effectively prevented from colliding with the measuring dial indicator, and the safety of the measuring dial indicator is improved.
In addition, the roller seat slides upwards to jack up the measured piece, the roller is moved to support the measured piece, the friction force born by the measured piece during movement is reduced, the crawling phenomenon during movement is avoided, the movement precision is improved, when the roller seat is lowered to support the measured piece through the base, the support stability is ensured, the measured piece is effectively prevented from moving during detection, the measurement precision is ensured, and meanwhile, the measurement dial indicator is better protected.
In addition, the measuring rod of the measuring dial indicator is pushed to the right side through the left-right sliding measuring rod stirring part, so that the measuring rod is separated from a measured piece, the damage of the measuring dial indicator caused by the fact that the measured piece collides with the measuring rod when moving is effectively avoided, and the measuring dial indicator is better protected; the pushing sliding piece pushes the right side of the measured piece forwards through the pushing clamping block, the forward pushing of the measured piece is achieved, the measured piece is conveniently taken, meanwhile, the left and right sliding of the measured piece is effectively avoided through the positioning of the pushing clamping block, and the measured piece is effectively prevented from colliding with the measuring dial indicator.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
FIG. 1 shows a schematic view of a body of a shrinkage test apparatus according to an embodiment of the present invention;
FIG. 2 shows a schematic view of the interior of a shrinkage test apparatus according to an embodiment of the present invention;
FIG. 3 shows a schematic view of a pushing drive mechanism and a measuring rod protection mechanism of a shrinkage test apparatus according to an embodiment of the present invention;
FIG. 4 shows a schematic view of a measuring rod protection mechanism of a shrinkage test apparatus according to an embodiment of the present invention;
FIG. 5 shows a schematic representation of a side-to-side glide seat drive of a contraction test device according to an embodiment of the present invention;
FIG. 6 shows a schematic view of a lifting block installation of a shrinkage test apparatus according to an embodiment of the present invention;
FIG. 7 shows a schematic view of a clamp positioning slot of a shrinkage test apparatus according to an embodiment of the present invention;
FIG. 8 shows a schematic view of the bottom of the roller lift drive of the shrinkage test apparatus according to an embodiment of the present invention;
fig. 9 shows a schematic view of the top of the roller lift drive of the shrinkage test apparatus according to an embodiment of the present invention.
List of reference numerals
1. A base; 101. a dial gauge fixing clamp; 102. a clamp positioning groove; 2. a roller operating member; 3. a roller lifting driving rod; 301. lifting the same-motion transmission member; 302. lifting and driving a screw rod; 4. the roller drives the sliding block; 401. lifting the active wedge block; 5. a roller seat; 501. lifting the driven wedge block; 502. moving the roller; 6. a pushing operation member; 601. pushing and driving a screw rod; 7. pushing the sliding piece; 701. a pushing clamping block; 702. a lifting driving chute; 703. a sliding driving chute; 8. a left-right sliding seat; 801. a sliding driven rod; 9. a lifting block; 901. lifting the driven rod; 902. a measuring rod poking part; 10. measuring a dial gauge; 1001. a gauge head positioning ring block; 1002. a measuring rod baffle ring.
Detailed Description
In order to make the objects, aspects and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present invention. Unless otherwise indicated, terms used herein have the meaning common in the art. Like reference numerals in the drawings denote like parts.
Examples: please refer to fig. 1 to 9:
the invention provides a shrinkage test device for concrete, which comprises: a base 1;
the roller operating piece 2 is rotatably connected to the left side of the front end face of the base 1;
the roller seat 5 is connected above the bottom plate of the base 1 in a sliding manner;
the roller lifting transmission mechanism is arranged in the base 1, and the roller operating piece 2 drives the roller seat 5 to be driven up and down through the roller lifting transmission mechanism; in addition, according to an embodiment of the present invention, as shown in fig. 8, the roller lifting transmission mechanism further includes: the roller lifting driving rods 3 are provided with two groups, the two groups of roller lifting driving rods 3 are respectively and rotatably connected to the left side and the right side of the interior of the base 1, and the left group of roller lifting driving rods 3 are fixedly connected with the roller operating piece 2 in a coaxial way; the lifting and moving transmission piece 301 is coaxially and fixedly connected to the front end face of the roller lifting and moving driving rod 3, the two groups of lifting and moving transmission pieces 301 are in transmission connection through a transmission chain to form a transmission chain transmission mechanism together, in use, the roller operating piece 2 is rotated, the roller operating piece 2 drives the left group of roller lifting and moving driving rod 3 to rotate, and the roller lifting and moving driving rod 3 drives the right group of roller lifting and moving driving rod 3 to synchronously rotate through the transmission chain transmission mechanism formed by the two groups of lifting and moving transmission pieces 301; as shown in fig. 8, the lifting driving screw rods 302 are coaxially and fixedly connected to the front end and the rear end of the roller lifting driving rod 3, and the pitches of the two groups of lifting driving screw rods 302 on the same group of roller lifting driving rods 3 are the same and the rotation directions are opposite; the four groups of roller driving sliding blocks 4 are arranged in total, the four groups of roller driving sliding blocks 4 are respectively and slidably connected to four inner corners of the base 1, the lifting driving lead screw 302 and the roller driving sliding blocks 4 on the same side are in threaded transmission connection to form a lead screw nut transmission pair together, in use, when the two groups of roller lifting driving rods 3 rotate simultaneously, the roller lifting driving rods 3 drive the front and rear groups of roller driving sliding blocks 4 to synchronously and reversely slide through the lead screw nut transmission pair formed by the lifting driving lead screw 302 and the roller driving sliding blocks 4 on the same side in threaded transmission connection; as shown in fig. 8, the lifting driving wedge 401 is fixedly connected to the top of the roller driving slide block 4, and the lifting driving wedge 401 of the front and rear roller driving slide blocks 4 are oppositely arranged; the lifting driven wedge blocks 501 are arranged in two groups, the lifting driven wedge blocks 501 are respectively fixedly connected to the left side and the right side of the bottom of the roller seat 5, the lower parts of the front end face and the rear end face of the lifting driven wedge blocks 501 are respectively of an inclined plane structure, the lifting driving wedge blocks 401 and the lifting driven wedge blocks 501 form a wedge block mechanism together, in use, when the two groups of roller driving slide blocks 4 synchronously and reversely slide, the roller driving slide blocks 4 drive the roller seat 5 to slide up and down through the wedge block mechanism formed by the lifting driving wedge blocks 401 and the lifting driven wedge blocks 501, the tested piece is jacked up through the upward sliding of the roller seat 5, the tested piece is convenient to carry out certain, the moving convenience is improved, the friction force is reduced, the crawling phenomenon during moving is avoided, and the moving precision is improved. In addition, according to an embodiment of the present invention, as shown in fig. 9, the roller seat 5 further includes: the movable roller 502, the movable roller 502 is of a spherical structure, the movable roller 502 is uniformly distributed and connected with the upper end face of the roller seat 5 in a rotating way, in use, the movable roller 502 is supported by the detection piece, so that the friction force applied to the detected piece during movement is reduced, the crawling phenomenon during movement is avoided, and the movement precision is improved.
The pushing operation piece 6 is rotatably connected to the right side of the front end face of the base 1;
the measuring dial indicator 10, the measuring dial indicator 10 is fixedly connected to the upper part of the base 1;
the pushing sliding piece 7 is connected inside the right side of the bottom plate of the base 1 in a sliding way;
the pushing transmission mechanism is arranged in the base 1, and the pushing operation piece 6 drives the pushing sliding piece 7 to slide back and forth through the pushing transmission mechanism; in addition, according to an embodiment of the present invention, as shown in fig. 3, the pushing transmission mechanism further includes: the pushing driving screw 601 is coaxially and fixedly connected to the rear end face of the pushing operation member 6, and the pushing driving screw 601 and the pushing sliding member 7 are in threaded transmission connection to form a screw nut transmission pair; the pushing block 701 is of an L-shaped structure, the pushing block 701 is fixedly connected to the top of the pushing sliding piece 7, in use, the pushing operation piece 6 is rotated, the pushing operation piece 6 drives the pushing sliding piece 7 to slide back and forth through a screw nut transmission pair formed by a pushing driving screw 601 and the pushing sliding piece 7 in a threaded transmission connection mode, the pushing sliding piece 7 pushes the right side of the measured piece forward through the pushing block 701, forward pushing of the measured piece is achieved, the measured piece is conveniently taken out, meanwhile, the measured piece is located through the pushing block 701, left and right sliding of the measured piece is effectively avoided, and collision of the measured piece to the measuring dial gauge 10 is effectively avoided.
The measuring rod protection mechanism is arranged on the right side in the bottom of the base 1; furthermore, according to an embodiment of the present invention, as shown in fig. 5, the measuring rod protecting mechanism further includes: a sliding driving chute 703, wherein the sliding driving chute 703 is arranged at the bottom of the pushing sliding piece 7; the left and right sliding seat 8 is connected to the inner side of the bottom of the base 1 in a left and right sliding way; the sliding driven rod 801, the left side of the sliding driven rod 801 is fixedly connected to the left upper part of the left and right sliding seats 8, the sliding driven rod 801 is slidably connected in the sliding driving sliding groove 703, a movable cam pair is jointly formed between the sliding driven rod 801 and the sliding driving sliding groove 703, in use, when the pushing sliding piece 7 slides forwards and backwards, the pushing sliding piece 7 drives the left and right sliding seats 8 to slide left and right through the movable cam pair jointly formed between the sliding driven rod 801 and the sliding driving sliding groove 703, the measuring rod of the measuring dial indicator 10 is pushed to the right through the left and right sliding of the left and right sliding seats 8, so that the measuring rod is separated from a measured piece, the damage to the measuring dial indicator 10 caused by collision of the measured piece on the measuring rod during movement is effectively avoided, and the measuring dial indicator 10 is better protected; furthermore, according to the embodiment of the present invention, as shown in fig. 4, the elevation driving chute 702 is opened on the right end surface of the pushing slider 7; the lifting block 9 is connected to the upper parts of the left and right sliding seats 8 in a sliding manner; the lifting driven rod 901 is fixedly connected to the left end face of the lifting block 9, the lifting driven rod 901 is slidably connected inside the lifting driving chute 702, a sliding cam mechanism is jointly formed between the lifting driving chute 702 and the lifting driven rod 901, in use, when the pushing sliding piece 7 slides back and forth, the pushing sliding piece 7 drives the lifting block 9 to slide up and down through the sliding cam mechanism jointly formed between the lifting driving chute 702 and the lifting driven rod 901, and the measuring rod stirring part 902 is clamped on the left side of the measuring rod baffle ring 1002 through the upward sliding of the lifting block 9; according to the embodiment of the invention, as shown in a graph X, a measuring rod stirring part 902 is fixedly connected to the top of a lifting block 9, and the measuring rod stirring part 902 is of a U-shaped structure; the measuring rod keeps off ring 1002, and measuring rod keeps off ring 1002 is annular structure, and measuring rod keeps off ring 1002 fixed connection is on measuring rod of measuring dial gauge 10, in use, when lifting block 9 upwards slides, and measuring rod stirring portion 902 inserts on the measuring rod, and measuring rod stirring portion 902 blocks measuring rod keeps off ring 1002.
In addition, according to the embodiment of the invention, as shown in fig. 7, the base 1 further comprises a dial gauge fixing clamp 101, wherein the dial gauge fixing clamp 101 is fixedly connected to the upper right side of the base 1, and the dial gauge fixing clamp 101 is of a C-shaped pipe hoop structure; the fixture positioning grooves 102 are uniformly distributed and formed in the inner hole of the dial gauge fixing fixture 101; the measurement dial gauge 10 further includes: gauge outfit holding ring piece 1001, gauge outfit holding ring piece 1001 evenly arranges fixed connection in measurement amesdial 10 shell body left side, and gauge outfit holding ring piece 1001 and fixture positioning groove 102 joint are connected, in use, realizes measuring amesdial 10's installation through the joint connection of gauge outfit holding ring piece 1001 and fixture positioning groove 102, effectively avoids measuring amesdial 10 relative slip, guarantees the installation stability to measuring amesdial 10.
Specific use and action of the embodiment: in the invention, the roller operating member 2 is rotated, the roller operating member 2 drives a group of roller lifting driving rods 3 on the left side to rotate, the roller lifting driving rods 3 drive a group of roller lifting driving rods 3 on the right side to synchronously rotate through a transmission chain transmission mechanism formed by two groups of lifting and driving members 301 together, the roller lifting driving rods 3 drive a front group of roller driving sliding blocks 4 and a rear group of roller driving sliding blocks 4 to synchronously reversely slide through a screw nut transmission pair formed by the threaded connection of a lifting driving screw 302 and the roller driving sliding blocks 4 on the same side together, the two groups of roller driving sliding blocks 4 synchronously reversely slide, the roller driving sliding blocks 4 drive a roller seat 5 to vertically slide through a wedge mechanism formed by the lifting driving wedge 401 and a lifting driven wedge 501 together, the tested piece is jacked up through the upward sliding of the roller seat 5, and the tested piece is supported through the moving roller 502, so that the creeping phenomenon of the tested piece during moving is reduced, and the moving precision is improved; when the measured piece is disassembled, the pushing operation piece 6 is rotated, and the pushing operation piece 6 drives the pushing sliding piece 7 to slide back and forth through a screw nut transmission pair formed by the pushing driving screw 601 and the pushing sliding piece 7 in a threaded transmission connection mode; firstly, a pushing sliding piece 7 drives a lifting block 9 to slide up and down through a sliding cam mechanism formed by a lifting driving sliding chute 702 and a lifting driven rod 901, a measuring rod poking part 902 is inserted on a measuring rod through upward sliding of the lifting block 9, and the measuring rod poking part 902 clamps a measuring rod baffle 1002; then, the pushing sliding piece 7 drives the left and right sliding seat 8 to slide left and right through a movable cam pair formed by the sliding driven rod 801 and the sliding driving sliding groove 703, and pushes the measuring rod of the measuring dial indicator 10 to the right through the left and right sliding of the left and right sliding seat 8, so that the measuring rod is separated from the measured piece, and the damage of the measuring dial indicator 10 caused by the collision of the measured piece on the measuring rod during movement is effectively avoided, and the measuring dial indicator 10 is better protected; then, the pushing sliding piece 7 pushes the right side of the measured piece forwards through the pushing clamping block 701, so that the measured piece is pushed forwards, the measured piece is conveniently taken out, meanwhile, the measured piece is positioned through the pushing clamping block 701, the left and right sliding of the measured piece is effectively avoided, and the measured piece is effectively prevented from colliding with the measuring dial gauge 10.
Finally, it should be noted that the present invention is generally described in terms of a/a pair of components, such as the location of each component and the mating relationship therebetween, however, those skilled in the art will appreciate that such location, mating relationship, etc. are equally applicable to other components/other pairs of components.
The foregoing is merely exemplary embodiments of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.
Claims (7)
1. A shrinkage test apparatus for concrete, comprising: a base (1); the roller operating piece (2), the said roller operating piece (2) rotates and connects on the left side of front end surface of the base (1); the roller seat (5) is connected above the bottom plate of the base (1) in a sliding manner; the roller lifting transmission mechanism is arranged in the base (1), and the roller operating piece (2) drives the roller seat (5) to slide up and down through the roller lifting transmission mechanism; the pushing operation piece (6), the pushing operation piece (6) is rotatably connected to the right side of the front end face of the base (1); the measuring dial indicator (10), the measuring dial indicator (10) is fixedly connected to the upper part of the base (1); the pushing sliding piece (7), the pushing sliding piece (7) is connected in the right side of the bottom plate of the base (1) in a sliding way; the pushing transmission mechanism is arranged in the base (1), and the pushing operation piece (6) drives the pushing sliding piece (7) to slide back and forth through the pushing transmission mechanism; the measuring rod protection mechanism is arranged on the right side inside the bottom of the base (1); the measuring rod protection mechanism further comprises: the sliding driving chute (703), the sliding driving chute (703) is arranged at the bottom of the pushing sliding piece (7); the left and right sliding seat (8), the left and right sliding seat (8) is connected with the inner side of the bottom of the base (1) in a left and right sliding way; the sliding driven rod (801), the left side of the sliding driven rod (801) is fixedly connected to the left upper part of the left-right sliding seat (8), the sliding driven rod (801) is slidably connected in the sliding driving sliding chute (703), and a movable cam pair is formed between the sliding driven rod (801) and the sliding driving sliding chute (703); the lifting driving chute (702), the lifting driving chute (702) is arranged on the right end face of the pushing sliding piece (7); the lifting block (9), the lifting block (9) is connected to the upper part of the left and right sliding seat (8) in a sliding way; the lifting driven rod (901), the lifting driven rod (901) is fixedly connected to the left end face of the lifting block (9), the lifting driven rod (901) is slidably connected inside the lifting driving chute (702), and a sliding cam mechanism is jointly formed between the lifting driving chute (702) and the lifting driven rod (901); the measuring rod stirring part (902), the measuring rod stirring part (902) is fixedly connected to the top of the lifting block (9), and the measuring rod stirring part (902) is of a U-shaped structure; the measuring rod baffle ring (1002), the measuring rod baffle ring (1002) is of an annular structure, and the measuring rod baffle ring (1002) is fixedly connected to the measuring rod of the measuring dial indicator (10).
2. A shrinkage test apparatus for concrete according to claim 1, wherein: the roller lifting transmission mechanism further comprises: the roller lifting driving rods (3) are arranged in two groups, the two groups of roller lifting driving rods (3) are respectively and rotatably connected to the left side and the right side of the interior of the base (1), and the left group of roller lifting driving rods (3) are fixedly connected with the roller operating piece (2) in a coaxial manner; the lifting and moving transmission members (301) are coaxially and fixedly connected to the front end surfaces of the roller lifting driving rods (3), and the two groups of lifting and moving transmission members (301) are connected together through transmission chains to form a transmission chain transmission mechanism.
3. A shrinkage test apparatus for concrete according to claim 2, wherein: the roller lifting transmission mechanism further comprises: the lifting driving lead screws (302) are coaxially and fixedly connected to the front end and the rear end of the roller lifting driving rod (3), and the pitches of the two groups of lifting driving lead screws (302) on the same group of roller lifting driving rods (3) are the same and the rotation directions are opposite; the four groups of roller driving sliding blocks (4) are arranged in total, the four groups of roller driving sliding blocks (4) are respectively and slidably connected to four inner corners of the base (1), and the lifting driving screw rod (302) and the roller driving sliding blocks (4) on the same side are in threaded transmission connection to form a screw rod nut transmission pair.
4. A shrinkage test apparatus for concrete according to claim 3, wherein: the roller lifting transmission mechanism further comprises: the lifting driving wedge block (401), the lifting driving wedge block (401) is fixedly connected to the top of the roller driving slide block (4), and the lifting driving wedge blocks (401) of the front roller driving slide block and the rear roller driving slide block (4) are oppositely arranged; the lifting driven wedges (501), the lifting driven wedges (501) are provided with two groups, the two groups of lifting driven wedges (501) are respectively fixedly connected to the left side and the right side of the bottom of the roller seat (5), the lower parts of the front end face and the rear end face of the lifting driven wedges (501) are respectively of inclined structures, and a wedge mechanism is jointly formed between the lifting driving wedges (401) and the lifting driven wedges (501).
5. A shrinkage test apparatus for concrete according to claim 1, wherein: the roller seat (5) further comprises: the movable roller (502), the movable roller (502) is of a spherical structure, and the uniformly distributed spherical surfaces of the movable roller (502) are rotationally connected to the upper end face of the roller seat (5).
6. A shrinkage test apparatus for concrete according to claim 1, wherein: the base (1) further comprises a dial gauge fixing clamp (101), wherein the dial gauge fixing clamp (101) is fixedly connected to the upper right side of the base (1), and the dial gauge fixing clamp (101) is of a C-shaped pipe hoop structure; the fixture positioning grooves (102) are uniformly distributed and arranged in the inner holes of the dial indicator fixing fixtures (101); the measuring dial gauge (10) further comprises: gauge outfit locating ring piece (1001), gauge outfit locating ring piece (1001) evenly arranges fixed connection in measurement amesdial (10) shell body left side, gauge outfit locating ring piece (1001) and anchor clamps constant head tank (102) joint connection.
7. A shrinkage test apparatus for concrete according to claim 1, wherein: the pushing transmission mechanism further comprises: the pushing driving screw rod (601), the pushing driving screw rod (601) is coaxially and fixedly connected to the rear end face of the pushing operation piece (6), and the pushing driving screw rod (601) and the pushing sliding piece (7) are in threaded transmission connection to form a screw nut transmission pair; the pushing clamping block (701), the pushing clamping block (701) is of an L-shaped structure, and the pushing clamping block (701) is fixedly connected to the top of the pushing sliding piece (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111631663.XA CN114280282B (en) | 2021-12-29 | 2021-12-29 | Be used for concrete shrinkage test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111631663.XA CN114280282B (en) | 2021-12-29 | 2021-12-29 | Be used for concrete shrinkage test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114280282A CN114280282A (en) | 2022-04-05 |
| CN114280282B true CN114280282B (en) | 2023-10-03 |
Family
ID=80877418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111631663.XA Active CN114280282B (en) | 2021-12-29 | 2021-12-29 | Be used for concrete shrinkage test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114280282B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207215819U (en) * | 2017-08-24 | 2018-04-10 | 苏州混凝土水泥制品研究院检测中心有限公司 | Concrete shrinkage novel test device |
| CN207487554U (en) * | 2017-12-08 | 2018-06-12 | 宁波利佳青石电气科技有限公司 | RO pumps survey eccentric wheel tooling |
| CN110921313A (en) * | 2019-11-28 | 2020-03-27 | 乐国强 | Plate feeding mechanism and workpiece pressing equipment thereof |
| CN211235867U (en) * | 2019-11-01 | 2020-08-11 | 刘莎莎 | Concrete shrinkage test device |
| CN211373437U (en) * | 2019-12-06 | 2020-08-28 | 天津力神电池股份有限公司 | Device for measuring integral thickness of aluminum plastic film at corner of lithium ion battery shell |
| CN111706474A (en) * | 2020-07-20 | 2020-09-25 | 梁国莉 | Rear rack convenient to maintain for wind generating set |
| CN212179789U (en) * | 2020-05-29 | 2020-12-18 | 广东交科检测有限公司 | Novel contact concrete shrinkage test measuring device |
| CN212693781U (en) * | 2020-06-22 | 2021-03-12 | 苏州上建杭鑫混凝土有限公司 | Concrete shrinkage test device |
| CN213688875U (en) * | 2020-12-04 | 2021-07-13 | 无锡铭轩光学科技有限公司 | Rotary equal thickness measuring device for adsorption lens |
| CN214695134U (en) * | 2021-02-24 | 2021-11-12 | 刘志宏 | Bridge anti-seismic support convenient to position is placed in adjustment |
-
2021
- 2021-12-29 CN CN202111631663.XA patent/CN114280282B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207215819U (en) * | 2017-08-24 | 2018-04-10 | 苏州混凝土水泥制品研究院检测中心有限公司 | Concrete shrinkage novel test device |
| CN207487554U (en) * | 2017-12-08 | 2018-06-12 | 宁波利佳青石电气科技有限公司 | RO pumps survey eccentric wheel tooling |
| CN211235867U (en) * | 2019-11-01 | 2020-08-11 | 刘莎莎 | Concrete shrinkage test device |
| CN110921313A (en) * | 2019-11-28 | 2020-03-27 | 乐国强 | Plate feeding mechanism and workpiece pressing equipment thereof |
| CN211373437U (en) * | 2019-12-06 | 2020-08-28 | 天津力神电池股份有限公司 | Device for measuring integral thickness of aluminum plastic film at corner of lithium ion battery shell |
| CN212179789U (en) * | 2020-05-29 | 2020-12-18 | 广东交科检测有限公司 | Novel contact concrete shrinkage test measuring device |
| CN212693781U (en) * | 2020-06-22 | 2021-03-12 | 苏州上建杭鑫混凝土有限公司 | Concrete shrinkage test device |
| CN111706474A (en) * | 2020-07-20 | 2020-09-25 | 梁国莉 | Rear rack convenient to maintain for wind generating set |
| CN213688875U (en) * | 2020-12-04 | 2021-07-13 | 无锡铭轩光学科技有限公司 | Rotary equal thickness measuring device for adsorption lens |
| CN214695134U (en) * | 2021-02-24 | 2021-11-12 | 刘志宏 | Bridge anti-seismic support convenient to position is placed in adjustment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114280282A (en) | 2022-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113048867A (en) | High-strength composite pipe performance test system and test method | |
| CN114280282B (en) | Be used for concrete shrinkage test device | |
| CN209055062U (en) | A kind of easy workpiece measuring device | |
| CN107436120B (en) | Flexible gauge and method for detecting installation size of side end face of gauge baffle | |
| CN215833179U (en) | Product hardness detection table | |
| CN111156941A (en) | Vehicle brake block surface full run-out detection device | |
| CN105737781A (en) | Three-dimensional measuring device special for thin and long thin-wall workpiece | |
| CN108426769A (en) | A kind of metal material micro tensile specimen Mechanics Performance Testing device | |
| CN109443269A (en) | Bearing outer ring automatic detection device | |
| CN213274108U (en) | Laser detection device | |
| CN210014729U (en) | Automobile pipe fitting checking fixture | |
| CN108130835B (en) | Horizontal calibration device of train track detection system | |
| CN210321479U (en) | Special gauge for detecting radial run-out and end run-out of material sheet | |
| CN219714201U (en) | Shell checking fixture | |
| CN205748320U (en) | The special 3-D measuring apparatus of elongated thin wall work-piece | |
| CN112629365B (en) | Aviation P type belt pad clamp detection device | |
| CN111735570A (en) | Automobile mass center height measuring device | |
| CN217275879U (en) | Detection tool suitable for aircraft engine tappet | |
| CN214979514U (en) | Processing aligning device of metal structure spare | |
| CN220136249U (en) | Edge-covering assembly gauge | |
| CN218916296U (en) | Sphere roundness measuring machine with limit structure | |
| CN210802436U (en) | Clamp for measuring roughness of special-shaped roller | |
| CN215847772U (en) | Be applied to spare part mounting fixture for machine-building | |
| CN217738079U (en) | Comprehensive checking fixture for size of lower protective pipe | |
| CN217504763U (en) | Coaxiality detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |