CN114280282A - Be used for concrete shrinkage test device - Google Patents
Be used for concrete shrinkage test device Download PDFInfo
- Publication number
- CN114280282A CN114280282A CN202111631663.XA CN202111631663A CN114280282A CN 114280282 A CN114280282 A CN 114280282A CN 202111631663 A CN202111631663 A CN 202111631663A CN 114280282 A CN114280282 A CN 114280282A
- Authority
- CN
- China
- Prior art keywords
- sliding
- roller
- lifting
- pushing
- base
- 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.)
- Granted
Links
Images
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 concrete shrinkage test device, which relates to the technical field of constructional engineering and comprises the following components: a base; the roller operating piece is rotatably 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 to the inner part of the right side of the base bottom plate in a sliding manner; the pushing transmission mechanism is arranged inside 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 stability that has removal flexibility and support has effectively avoided being surveyed a collision and has measured the amesdial, has improved and has measured amesdial security, has solved current concrete shrinkage test device and when being careful fine setting to being surveyed a position, the phenomenon of "crawling" easily appears, influences the installation accuracy of being surveyed a, is surveyed a touch the amesdial easily and causes the amesdial to damage.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a concrete shrinkage test device.
Background
Concrete is the indispensable building material in building engineering, needs to detect the various performance of concrete in the application process of concrete to guarantee that the intensity of concrete can satisfy the operation needs, concrete shrinkage test is the most common concrete test mode, and in the shrinkage test process of concrete, generally place the measured object work on, fix a position one end, the other end measures the deflection through the amesdial.
However, with present concrete shrinkage test device when being to survey a position of survey a position thoughtlessly little accent, because the weight of surveying the piece is great than the heavy frictional force, the phenomenon of "crawling" appears easily, influences the installation accuracy of surveying the piece, simultaneously, because the amesdial belongs to precision instrument, the measured piece touches the amesdial easily and causes the amesdial to damage.
Disclosure of Invention
In view of this, the invention provides a concrete shrinkage test device, which has the flexibility of movement and the stability of support, effectively prevents a measured piece from colliding with a measuring dial indicator, and improves the safety of the measuring dial indicator.
The invention provides a concrete shrinkage test device, which specifically comprises: a base;
the roller operating piece is rotatably 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 inside the base, and the roller operating piece drives the roller seat to move up and down through the roller lifting transmission mechanism;
the pushing operation piece is rotatably 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 to the inner part of the right side of the base bottom plate in a sliding manner;
the pushing transmission mechanism is arranged inside 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 includes:
the roller lifting driving rods are arranged in 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 is coaxially and fixedly connected with the roller operating part;
the lifting synchronous driving pieces are coaxially and fixedly connected to the front end face of the roller lifting driving rod, and the two groups of lifting synchronous driving pieces are connected through a transmission chain to form a transmission chain transmission mechanism.
Optionally, the roller lifting transmission mechanism further includes:
the lifting driving screw rods are coaxially and fixedly connected to the front end and the rear end of the roller lifting driving rod, and two groups of lifting driving screw rods on the same group of roller lifting driving rods have the same pitch and opposite rotation directions;
the four groups of roller driving sliding blocks are respectively connected to four corners in the base in a sliding mode, and the lifting driving screw rod and the roller driving sliding blocks on the same side are in threaded transmission connection to form a screw rod nut transmission pair.
Optionally, the roller lifting transmission mechanism further includes:
the lifting driving wedge blocks are fixedly connected to the tops of the roller driving sliding blocks, and the lifting driving wedge blocks of the front and rear roller driving sliding blocks are arranged oppositely;
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 surface and the rear end surface of each lifting driven wedge are of inclined surface structures, and a wedge mechanism is formed between each lifting driving wedge and each lifting driven wedge.
Optionally, the roller seat further includes:
the movable roller is of a spherical structure, and the spherical surfaces of the movable roller are uniformly distributed and rotatably connected to the upper end surface of the roller seat.
Optionally, the base further comprises:
the dial indicator fixing clamp is fixedly connected to the upper portion of the 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 hole of the dial indicator fixing fixture;
the measuring dial indicator also comprises:
gauge outfit position ring piece, gauge outfit position ring piece evenly arrange fixed connection in measuring amesdial shell body left side, gauge outfit position ring piece and anchor clamps constant head tank joint are connected.
Optionally, the pushing transmission mechanism further includes:
the pushing driving screw rod is coaxially and fixedly connected to the rear end face of the pushing operating part, and the pushing driving screw rod and the pushing sliding part are in threaded transmission connection to form a screw rod nut transmission pair;
the pushing fixture block is of an L-shaped structure and is fixedly connected to the top of the pushing sliding part.
Optionally, the measuring rod protection mechanism further includes:
the sliding driving chute is arranged at the bottom of the material pushing sliding part;
the left and right sliding seats are connected to the inner side of the bottom of the base in a left and right sliding manner;
the left side of the sliding driven rod is fixedly connected to the upper portion of the left side of the left and right sliding seat, the sliding driven rod is connected in the sliding driving sliding groove in a sliding mode, and the sliding driven rod and the sliding driving sliding groove jointly form a movable cam pair.
Optionally, the measuring rod protection mechanism further includes:
the lifting driving chute is arranged on the right end face 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;
the lifting driven rod is fixedly connected to the left end face of the lifting block, the lifting driven rod is connected to the inside of the lifting driving sliding groove in a sliding mode, and a sliding cam mechanism is formed between the lifting driving sliding groove and the lifting driven rod.
Optionally, the measuring rod protection mechanism further includes:
the measuring rod shifting part is fixedly connected to the top of the lifting block and is of a U-shaped structure;
the measuring rod keeps off the ring, and the measuring rod keeps off the ring and is the loop configuration, and measuring rod keeps off ring fixed connection on measuring the measuring rod of amesdial.
Advantageous effects
According to the shrinkage test device disclosed by the embodiment of the invention, the movement flexibility and the support stability are ensured through the liftable roller seat, the tested piece is positioned through the material pushing fixture block, the left-right sliding of the tested piece is effectively avoided, the measuring rod of the measuring dial indicator is pushed to the right side by the measuring rod shifting part, the measuring rod is separated from the tested piece, the tested 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 the measured piece, the measured piece is supported by the movable roller, so that the friction force applied to the measured piece during movement is reduced, the creeping phenomenon during movement is avoided, the movement precision is improved, 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 measuring rod shifting part which slides left and right, so that the measuring rod is separated from the measured piece, the measured piece is effectively prevented from colliding on the measuring rod when moving to cause damage to the measuring dial indicator, and the measuring dial indicator is better protected; the push sliding piece pushes the right side of the measured piece forwards through the push clamping block, the forward pushing of the measured piece is achieved, the measured piece is convenient to take out, meanwhile, the left-right sliding of the measured piece is effectively avoided in the positioning of the measured piece through the push clamping block, and the measured piece is effectively prevented from colliding with the measurement dial indicator.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.
In the drawings:
FIG. 1 shows a schematic view of a body of a shrinkage testing device according to an embodiment of the invention;
FIG. 2 shows a schematic view of the interior of a shrinkage testing apparatus according to an embodiment of the present invention;
FIG. 3 shows a schematic diagram of the pusher actuator and the measuring rod guard of the shrinkage testing apparatus according to an embodiment of the present invention;
FIG. 4 shows a schematic view of a measurement rod protection mechanism of a shrinkage testing apparatus according to an embodiment of the present invention;
FIG. 5 shows a schematic diagram of a side-to-side saddle drive of a shrinkage testing apparatus according to an embodiment of the present invention;
FIG. 6 shows a schematic view of a lift block installation of a shrinkage testing apparatus according to an embodiment of the present invention;
FIG. 7 shows a schematic view of a fixture positioning slot of a shrinkage testing apparatus according to an embodiment of the present invention;
FIG. 8 shows a schematic view of the bottom of the roller lift drive mechanism of the shrinkage testing apparatus according to an embodiment of the present invention;
FIG. 9 shows a schematic view of the top of the roller lift actuator of the shrinkage testing apparatus according to an embodiment of the present invention.
List of reference numerals
1. A base; 101. fixing a clamp by using a dial indicator; 102. a fixture positioning groove; 2. a roller operating member; 3. the roller raises and lowers the driving rod; 301. lifting and simultaneous movement of the transmission parts; 302. lifting the driving screw; 4. the roller drives the slide block; 401. lifting the driving wedge block; 5. a roller seat; 501. lifting the driven wedge block; 502. moving the roller; 6. a material pushing operation member; 601. pushing a material to drive a lead screw; 7. a material pushing slider; 701. a material pushing fixture block; 702. a lifting drive chute; 703. a sliding drive chute; 8. a left and right sliding seat; 801. a sliding driven rod; 9. a lifting block; 901. a lifting driven rod; 902. a measuring rod shifting part; 10. measuring a dial indicator; 1001. a gauge head positioning ring block; 1002. and a measuring rod stop ring.
Detailed Description
In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.
Example (b): please refer to fig. 1 to fig. 9:
the invention provides a concrete shrinkage test device, which comprises: a base 1;
the roller operating piece 2 is rotationally 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 way;
the roller lifting transmission mechanism is arranged inside 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 elevating transmission mechanism further includes: 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 inside the base 1, and the left group of roller lifting driving rods 3 are coaxially and fixedly connected with the roller operating part 2; the lifting synchronous transmission parts 301 are coaxially and fixedly connected to the front end face of the roller lifting driving rod 3, the two groups of lifting synchronous transmission parts 301 are connected through transmission of a transmission chain to jointly form a transmission chain transmission mechanism, in use, the roller operation part 2 is rotated, the roller operation part 2 drives the left group of roller lifting driving rods 3 to rotate, and the roller lifting driving rods 3 drive the right group of roller lifting driving rods 3 to synchronously rotate through the transmission chain transmission mechanism formed by the two groups of lifting synchronous transmission parts 301; as shown in fig. 8, the lifting driving screws 302 are coaxially and fixedly connected to the front and rear ends of the roller lifting driving rods 3, and two groups of lifting driving screws 302 on the same group of roller lifting driving rods 3 have the same pitch and opposite rotation directions; the four roller driving sliding blocks 4 are arranged in four groups, the four roller driving sliding blocks 4 are respectively connected to four corners in the base 1 in a sliding mode, the lifting driving screw 302 and the roller driving sliding blocks 4 on the same side are in threaded transmission connection to form a screw nut transmission pair, and when the two roller lifting driving rods 3 rotate simultaneously, the roller lifting driving rods 3 drive the front and rear roller driving sliding blocks 4 to synchronously and reversely slide through the screw nut transmission pair formed by the two roller lifting driving rods 3 and the roller driving sliding blocks 4 on the same side in a threaded transmission connection mode; as shown in fig. 8, the lifting driving wedge 401 is fixedly connected to the top of the roller driving slider 4, and the lifting driving wedges 401 of the front and rear roller driving sliders 4 are arranged oppositely; the lifting driven wedge 501 is provided with two groups, the two groups of lifting driven wedges 501 are respectively and 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 501 are respectively of an inclined plane structure, a wedge mechanism is jointly formed between the lifting driving wedge 401 and the lifting driven wedge 501, when the two groups of roller driving sliders 4 synchronously and reversely slide, the roller driving sliders 4 drive the roller seat 5 to slide up and down through the wedge mechanism jointly formed between the lifting driving wedge 401 and the lifting driven wedge 501, a detected piece is jacked up through upward sliding of the roller seat 5, the detected piece is conveniently fixed, the moving convenience is improved, the friction force is reduced, the creeping phenomenon during moving is avoided, and the moving precision is improved. Further, according to an embodiment of the present invention, as shown in fig. 9, the roller mount 5 further includes: the movable roller 502 is of a spherical structure, the movable roller 502 is uniformly arranged with spherical surfaces and rotatably connected to the upper end surface of the roller seat 5, and in use, the movable roller 502 is supported by the detected piece, so that friction force applied to the detected piece during movement is reduced, a creeping phenomenon during movement is avoided, and movement precision is improved.
The pushing operation part 6 is connected to the right side of the front end face of the base 1 in a rotating mode;
the measuring dial indicator 10 is fixedly connected to the upper part of the base 1;
the pushing sliding piece 7 is connected to the inner part of the right side of the bottom plate of the base 1 in a sliding manner;
the pushing transmission mechanism is arranged inside 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 material transmission mechanism further includes: the pushing driving screw rod 601 is coaxially and fixedly connected to the rear end face of the pushing operating part 6, and the pushing driving screw rod 601 is in threaded transmission connection with the pushing sliding part 7 to form a screw rod nut transmission pair; the pushing fixture block 701 is of an L-shaped structure, the pushing fixture block 701 is fixedly connected to the top of the pushing sliding part 7, in use, the pushing operation part 6 is rotated, the pushing operation part 6 drives the pushing sliding part 7 to slide back and forth through a screw nut transmission pair formed by the pushing drive screw 601 and the pushing sliding part 7 in a threaded transmission mode, the pushing sliding part 7 pushes the right side of the tested piece forward through the pushing fixture block 701, forward pushing of the tested piece is achieved, taking of the tested piece is facilitated, meanwhile, the tested piece is positioned through the pushing fixture block 701, the left and right sliding of the tested piece is effectively avoided, and the tested piece is effectively prevented from colliding with the measuring dial indicator 10.
The measuring rod protection mechanism is arranged on the right side inside the bottom of the base 1; in addition, according to an embodiment of the present invention, as shown in fig. 5, the measuring rod protecting mechanism further includes: the sliding driving chute 703 is formed at the bottom of the pushing sliding part 7; the left and right sliding seats 8 are connected to the inner side of the bottom of the base 1 in a left and right sliding manner; the left side of the sliding driven rod 801 is fixedly connected to the upper portion of the left side of the left and right sliding seat 8, the sliding driven rod 801 is connected in the sliding driving sliding groove 703 in a sliding mode, a moving cam pair is formed between the sliding driven rod 801 and the sliding driving sliding groove 703, when the pushing sliding part 7 slides forwards and backwards, the pushing sliding part 7 drives the left and right sliding seat 8 to slide left and right through the moving cam pair formed between the sliding driven rod 801 and the sliding driving sliding groove 703, the measuring rod of the measuring dial gauge 10 is pushed to the right side through the left and right sliding of the left and right sliding seat 8, the measuring rod is separated from a measured piece, the measured piece is effectively prevented from colliding against the measuring rod during moving to cause damage to the measuring dial gauge 10, and the measuring dial gauge 10 is better protected; further, according to the embodiment of the present invention, as shown in fig. 4, the elevation driving chute 702 is opened on the right end face of the pushing slider 7; the lifting block 9, the lifting block 9 is connected to the upper part of the left and right sliding seats 8 in a sliding way; the lifting driven rod 901 is fixedly connected to the left end face of the lifting block 9, the lifting driven rod 901 is connected to the inside of the lifting driving sliding groove 702 in a sliding mode, a sliding cam mechanism is formed between the lifting driving sliding groove 702 and the lifting driven rod 901, and when the pushing sliding part 7 slides forwards and backwards in use, the pushing sliding part 7 drives the lifting block 9 to slide up and down through the sliding cam mechanism formed between the lifting driving sliding groove 702 and the lifting driven rod 901, and the measuring rod shifting part 902 is clamped on the left side of the measuring rod stop ring 1002 through the upward sliding of the lifting block 9; according to the embodiment of the invention, as shown in fig. X, the measuring rod shifting part 902 is fixedly connected to the top of the lifting block 9, and the measuring rod shifting part 902 is of a U-shaped structure; measuring stick fender ring 1002, measuring stick fender ring 1002 are the loop configuration, and measuring stick fender ring 1002 fixed connection is on the measuring stick of measuring dial gauge 10, and in use, up sliding on elevator 9, measuring stick stirring portion 902 is inserted on the measuring stick, and measuring stick stirring portion 902 blocks measuring stick fender ring 1002.
In addition, according to the embodiment of the invention, as shown in fig. 7, the base 1 further comprises a dial indicator fixing clamp 101, wherein the dial indicator fixing clamp 101 is fixedly connected to the upper part of the right side of the base 1, and the dial indicator fixing clamp 101 is of a C-shaped pipe hoop-shaped structure; the fixture positioning grooves 102 are uniformly distributed and formed in the inner hole of the dial indicator fixing fixture 101; the measuring dial gauge 10 further includes: gauge outfit position ring piece 1001, gauge outfit position ring piece 1001 evenly arranges fixed connection in measuring amesdial 10 shell body left side, and gauge outfit position ring piece 1001 is connected with anchor clamps constant head tank 102 joint, and in use is connected the installation that realizes measuring amesdial 10 through gauge outfit position ring piece 1001 and anchor clamps constant head tank 102's joint, effectively avoids measuring amesdial 10 relative slip, guarantees the installation stability to measuring amesdial 10.
The specific use mode and function of the embodiment are as follows: in the invention, a roller operating piece 2 is rotated, the roller operating piece 2 drives a group of left roller lifting driving rods 3 to rotate, the roller lifting driving rods 3 drive a group of right roller lifting driving rods 3 to synchronously rotate through a transmission chain transmission mechanism formed by two groups of lifting synchronous transmission pieces 301, the roller lifting driving rods 3 drive a front roller driving slide block and a rear roller driving slide block 4 to synchronously and reversely slide through a screw nut transmission pair formed by a lifting driving screw 302 and a roller driving slide block 4 on the same side in a threaded transmission way, the two groups of roller driving slide blocks 4 synchronously and reversely slide, the roller driving slide blocks 4 drive a roller seat 5 to vertically slide through a wedge mechanism formed by a lifting driving wedge block 401 and a lifting driven wedge block 501, a detected piece is jacked up through upward sliding of the roller seat 5, the detected piece is supported by moving a roller 502, and the friction force applied when the detected piece moves is reduced, the creeping phenomenon during moving is avoided, and the moving precision is improved; when the tested 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 threaded transmission connection of the pushing driving screw 601 and the pushing sliding piece 7; firstly, the pushing sliding part 7 drives the lifting block 9 to slide up and down through a sliding cam mechanism jointly formed by the lifting driving sliding chute 702 and the lifting driven rod 901, the lifting block 9 slides up and down to enable the measuring rod shifting part 902 to be inserted on the measuring rod, and the measuring rod shifting part 902 clamps the measuring rod stop ring 1002; then, the pushing sliding part 7 drives the left and right sliding seats 8 to slide left and right through a moving cam pair formed by the sliding driven rod 801 and the sliding driving chute 703, and pushes the measuring rod of the measuring dial gauge 10 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 the measured piece, the measured piece is effectively prevented from colliding with the measuring rod to cause the damage of the measuring dial gauge 10 during the movement, and the measuring dial gauge 10 is better protected; then, the pushing sliding part 7 pushes the right side of the measured piece forwards through the pushing fixture block 701, the forward pushing of the measured piece is achieved, the measured piece is convenient to take out, meanwhile, the measured piece is positioned through the pushing fixture block 701, the left-right sliding of the measured piece is effectively avoided, and the measured piece is effectively prevented from colliding with the measuring dial indicator 10.
Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (10)
1. A device for concrete shrinkage testing, comprising: a base (1); the roller operating piece (2), 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), 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 inside the base (1), and the roller operating piece (2) drives the roller seat (5) to move up and down through the roller lifting transmission mechanism; 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 to the inner portion of the right side of the bottom plate of the base (1) in a sliding mode; the pushing transmission mechanism is arranged inside 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).
2. A device for concrete shrinkage testing as claimed in 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 inside of the base (1), and the left group of roller lifting driving rods (3) are coaxially and fixedly connected with the roller operating piece (2); the lifting synchronous transmission pieces (301) are coaxially and fixedly connected to the front end face of the roller lifting driving rod (3), and the two groups of lifting synchronous transmission pieces (301) are connected through transmission chains to form a transmission chain transmission mechanism.
3. A device for concrete shrinkage testing according to claim 2, characterized in that: the roller lifting transmission mechanism further comprises: 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 two groups of lifting driving screw rods (302) on the same group of roller lifting driving rods (3) have the same pitch and opposite rotation directions; the four groups of roller driving sliding blocks (4) are arranged on the roller driving sliding blocks (4), the four groups of roller driving sliding blocks (4) are respectively connected to four corners in the base (1) in a sliding mode, and the lifting driving lead screw (302) is in threaded transmission connection with the roller driving sliding blocks (4) on the same side to form a lead screw nut transmission pair.
4. A device for concrete shrinkage testing according to claim 3, characterized in that: the roller lifting transmission mechanism further comprises: the lifting driving wedge blocks (401) are fixedly connected to the tops of the roller driving sliding blocks (4), and the lifting driving wedge blocks (401) of the front and rear roller driving sliding blocks (4) are arranged oppositely; the lifting driven wedges (501) are arranged in two groups, the two groups of lifting driven wedges (501) are respectively and 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 surface and the rear end surface of each lifting driven wedge (501) are of inclined surface structures, and a wedge mechanism is formed between each lifting driving wedge (401) and each lifting driven wedge (501) together.
5. A device for concrete shrinkage testing as claimed in claim 1, wherein: the roller seat (5) also comprises: the movable roller (502), the movable roller (502) is the spherical structure, and the movable roller (502) is evenly arranged with the spherical surface and is rotatably connected with the upper end surface of the roller seat (5).
6. A device for concrete shrinkage testing as claimed in claim 1, wherein: the base (1) also comprises a dial indicator fixing clamp (101), the dial indicator fixing clamp (101) is fixedly connected to the upper part of the right side of the base (1), and the dial indicator fixing clamp (101) is of a C-shaped pipe hoop-shaped structure; the fixture positioning grooves (102), the fixture positioning grooves (102) are uniformly distributed and arranged in the inner hole of the dial indicator fixing fixture (101); the measuring dial indicator (10) further comprises: gauge outfit position ring piece (1001), gauge outfit position ring piece (1001) evenly arrange fixed connection and measure amesdial (10) shell body left side, gauge outfit position ring piece (1001) is connected with anchor clamps constant head tank (102) joint.
7. A device for concrete shrinkage testing as claimed in claim 1, wherein: the material 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 operating piece (6), and the pushing driving screw rod (601) and the pushing sliding piece (7) are in threaded transmission connection to form a screw rod nut transmission pair; the pushing fixture block (701), the pushing fixture block (701) is of an L-shaped structure, and the pushing fixture block (701) is fixedly connected to the top of the pushing sliding part (7).
8. A device for concrete shrinkage testing as claimed in claim 1, wherein: the measuring stick protection mechanism still includes: the sliding driving chute (703) is arranged at the bottom of the pushing sliding part (7); the left-right sliding seat (8), the left-right sliding seat (8) is connected to the inner side of the bottom of the base (1) in a left-right sliding manner; the left side of the sliding driven rod (801) is fixedly connected to the upper portion of the left side of the left and right sliding seat (8), the sliding driven rod (801) is connected in the sliding driving sliding groove (703) in a sliding mode, and a movable cam pair is formed between the sliding driven rod (801) and the sliding driving sliding groove (703).
9. The apparatus for concrete shrinkage testing according to claim 8, wherein: the measuring stick protection mechanism still includes: the lifting driving sliding chute (702), the lifting driving sliding chute (702) is arranged on the right end face of the material pushing sliding part (7); the lifting block (9), the lifting block (9) is connected to the upper part of the left and right sliding seats (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 connected inside the lifting driving sliding chute (702) in a sliding mode, and a sliding cam mechanism is formed between the lifting driving sliding chute (702) and the lifting driven rod (901) together.
10. A device for concrete shrinkage testing according to claim 9, characterized in that: the measuring stick protection mechanism still includes: the measuring rod shifting part (902), the measuring rod shifting part (902) is fixedly connected to the top of the lifting block (9), and the measuring rod shifting part (902) is of a U-shaped structure; the measuring rod stop ring (1002) is of an annular structure, and the measuring rod stop ring (1002) is fixedly connected to the measuring rod of the measuring dial indicator (10).
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 true CN114280282A (en) | 2022-04-05 |
| CN114280282B 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 |
|---|---|
| CN114280282B (en) | 2023-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW202130967A (en) | Automatic nut internal thread quality tester | |
| CN209055062U (en) | A kind of easy workpiece measuring device | |
| CN114280282A (en) | Be used for concrete shrinkage test device | |
| CN110793417A (en) | Ceramic tile flatness detection device | |
| CN210464320U (en) | Detection tool for shaft sleeve | |
| CN217981120U (en) | Anchor tackle clamping piece hardness detects and uses frock | |
| CN109443269A (en) | Bearing outer ring automatic detection device | |
| CN212747755U (en) | Piston rod roughness detection frock | |
| CN213274108U (en) | Laser detection device | |
| CN112361936B (en) | Crankshaft coaxiality detection and adjustment device | |
| CN108426769A (en) | A kind of metal material micro tensile specimen Mechanics Performance Testing device | |
| CN208383012U (en) | Vehicle steering wheel decoration detection device | |
| CN110500936B (en) | Size detection device and detection method thereof | |
| CN212645676U (en) | Verticality detection tool | |
| CN205940999U (en) | Slide rail coasting test equipment | |
| CN217801565U (en) | X and Y are to automatic re-setting slip table | |
| CN220104052U (en) | Floating bearing size detection device | |
| CN211668378U (en) | Dial indicator fixing support for detection | |
| CN218973850U (en) | Portable counter-force device for jack calibration | |
| CN220671139U (en) | Tensile strength detection equipment convenient to clamp | |
| CN212179848U (en) | Clamping device for shaft forging detection | |
| CN219391641U (en) | High-rise building steel structure strength detection device | |
| CN210802436U (en) | Clamp for measuring roughness of special-shaped roller | |
| CN114739253B (en) | Displacement stroke precision detection device of displacement table | |
| CN220062850U (en) | Sliding detection mechanism |
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 |