CN109596412B - Cantilever type direction-changeable drawing instrument - Google Patents
Cantilever type direction-changeable drawing instrument Download PDFInfo
- Publication number
- CN109596412B CN109596412B CN201910078482.5A CN201910078482A CN109596412B CN 109596412 B CN109596412 B CN 109596412B CN 201910078482 A CN201910078482 A CN 201910078482A CN 109596412 B CN109596412 B CN 109596412B
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- cylinder
- sliding table
- joint body
- swinging
- plane
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 210000000078 claw Anatomy 0.000 claims description 24
- 230000001360 synchronised effect Effects 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 12
- 238000004873 anchoring Methods 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
Abstract
The invention provides a cantilever type variable-direction drawing instrument which comprises a supporting beam, a joint body, a cantilever beam and a sliding table, wherein the supporting beam is arranged on the joint body; the support beam defines a first swing plane parallel to the support beam; one end of the supporting beam is connected with the joint body, and the joint body can swing in a first swing plane; a swinging groove is formed in one end, away from the supporting beam, of the joint body; the swinging groove defines a second swinging plane; the second swinging plane is perpendicular to the first swinging plane; a short shaft is arranged in the swinging groove; the cantilever beam is connected with the joint body through a short shaft and can rotate around the short shaft in a second swinging plane; the sliding table can slide along the cantilever beam; the sliding table is provided with a drawing chuck and a thruster; the drawing chuck can slide on the sliding table along the direction parallel to the supporting beam; the drawing clamp is used for clamping the steel bars. The cantilever type direction-changeable drawing instrument provided by the invention is convenient for carrying out drawing test on the anchoring piece positioned on the outer wall of a building.
Description
Technical Field
The invention relates to the field of pullers, in particular to a cantilever type direction-changeable puller.
Background
In civil engineering, in order to detect the construction quality of an anchor, the pullout resistance of the anchor needs to be detected. With the development of the modern building industry, anchors are now also present on the exterior walls of many buildings. When detecting an anchor piece positioned on the outer wall of a building by using the existing drawing instrument, the whole anchor piece is separated from the outer wall in a common mode and is transported to a laboratory for drawing test, but the accuracy of the test mode is lower because the anchor piece is separated from the outer wall.
Disclosure of Invention
Aiming at the defects in the prior art, the cantilever type direction-changeable drawing instrument provided by the invention is convenient for carrying out drawing test on the anchoring piece positioned on the outer wall of a building.
The invention provides a cantilever type variable-direction drawing instrument which comprises a supporting beam, a joint body, a cantilever beam and a sliding table, wherein the supporting beam is arranged on the joint body; the support beam defines a first swing plane parallel to the support beam; one end of the supporting beam is connected with the joint body, and the joint body can swing in a first swing plane; a swinging groove is formed in one end, away from the supporting beam, of the joint body; the swinging groove defines a second swinging plane; the second swinging plane is perpendicular to the first swinging plane; a short shaft is arranged in the swinging groove; the cantilever beam is connected with the joint body through a short shaft and can rotate around the short shaft in a second swinging plane; the sliding table is arranged on the cantilever beam and can slide along the cantilever beam; the sliding table is provided with a drawing chuck and a thruster; the drawing chuck can slide on the sliding table along the direction parallel to the supporting beam; the drawing clamp is used for clamping the steel bars; the thruster is used for driving the drawing chuck to slide.
Optionally, the drawing collet comprises a cylinder and a synchronous driver; one end of the cylinder body is closed, and the other opposite end forms an opening; the opening end of the cylinder body is circumferentially provided with a plurality of clamping claws; the clamping jaw can slide on the cylinder body along the radial direction; the synchronous driver is used for driving the clamping claw to synchronously slide into the cylinder or outside the cylinder; the sliding table is provided with a through hole; the axis of the through hole is parallel to the supporting beam; the closed end of the cylinder body penetrates through the through hole and is connected with the sliding table in a sliding mode.
Optionally, the bottom of the cylinder extends radially outwards to form an outer boss; the top end of the outer boss is provided with an annular cavity; a plurality of grooves are formed in the peripheral surface of the cylinder body; the groove communicates the annular cavity with the opening; one end of the clamping claw is inserted into the groove, the other opposite end of the clamping claw extends into the annular cavity, and the clamping claw can slide in the annular cavity along the radial direction; the top of the claw is provided with a first end face thread; the synchronous driver comprises a power flange; the lower surface of the power flange is provided with a second end surface thread matched with the first end surface thread; the power flange is sleeved on the cylinder body and embedded into the annular cavity to be in threaded connection with the clamping jaw; the power flange is rotatable about the axis of the barrel.
Optionally, the cylinder comprises an upper cylinder and a lower cylinder; the top of the upper cylinder body penetrates through the through hole and is in sliding connection with the sliding table, and the bottom of the upper cylinder body is in rotary connection with the lower cylinder body; an engagement grinding wheel is arranged at one end of the claw extending into the cylinder; the section of the occlusion grinding wheel is saw-tooth.
Optionally, a plurality of rotatable rollers are mounted on the bottom end surface of the lower cylinder along the circumferential direction.
Optionally, the thruster is an oil cylinder; and two ends of the oil cylinder are respectively connected with the drawing chuck and the cantilever beam.
According to the technical scheme, the beneficial effects of the invention are as follows: the invention provides a cantilever type variable-direction drawing instrument which comprises a supporting beam, a joint body, a cantilever beam and a sliding table, wherein the supporting beam is arranged on the joint body; the support beam defines a first swing plane parallel to the support beam; one end of the supporting beam is connected with the joint body, and the joint body can swing in a first swing plane; a swinging groove is formed in one end, away from the supporting beam, of the joint body; the swinging groove defines a second swinging plane; the second swinging plane is perpendicular to the first swinging plane; a short shaft is arranged in the swinging groove; the cantilever beam is connected with the joint body through a short shaft and can rotate around the short shaft in a second swinging plane; the sliding table is arranged on the cantilever beam and can slide along the cantilever beam; the sliding table is provided with a drawing chuck and a thruster; the drawing chuck can slide on the sliding table along the direction parallel to the supporting beam; the drawing clamp is used for clamping the steel bars; the thruster is used for driving the drawing chuck to slide. The cantilever type direction-changeable drawing instrument provided by the invention is convenient for carrying out drawing test on the anchoring piece positioned on the outer wall of a building.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic structural view of the drawing collet.
Reference numerals:
the device comprises a 1-supporting beam, a 2-joint body, a 3-cantilever beam, a 4-sliding table, a 5-drawing chuck, a 11-first swinging plane, a 21-short shaft, a 22-swinging groove, a 23-second swinging plane, a 41-through hole, a 51-barrel, a 52-power flange, a 511-upper barrel, a 512-lower barrel, a 512 a-roller, a 513-claw, a 513 a-meshing grinding wheel, a 514-opening, a 515-outer boss, a 516-annular cavity and a 517-groove.
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
Referring to fig. 1-2, the cantilever type direction-changeable drawing instrument provided in this embodiment includes a support beam 1, a joint body 2, a cantilever beam 3 and a sliding table 4; the support beam 1 defines a first plane of oscillation 11 parallel to the support beam; one end of the supporting beam 1 is connected with the joint body 2, and the joint body 2 can swing in a first swinging plane; a swinging groove 22 is formed in one end, far away from the supporting beam, of the joint body 2; the oscillating groove 22 defines a second oscillating plane 23; the second swinging plane is perpendicular to the first swinging plane; a short shaft 21 is arranged in the swinging groove; the cantilever beam 3 is connected with the joint body through a short shaft and can rotate around the short shaft in a second swinging plane; the sliding table 4 is arranged on the cantilever beam and can slide along the cantilever beam; the sliding table 4 is provided with a drawing chuck 5 and a thruster; the drawing chuck can slide on the sliding table along the direction parallel to the supporting beam; the drawing clamp is used for clamping the steel bars; the thruster is used for driving the drawing chuck to slide.
When in use, the supporting beam 1 is fixed indoors, the supporting beam 1 extends out of a window, the joint body 2 is rotated, and the cantilever beam 3 is parallel to a wall body. The cantilever beam 3 is rotated such that the cantilever beam 3 is located directly above the anchor to be tested. And the sliding table 4 is used for enabling the drawing chuck 5 to be positioned right above the anchoring piece to be tested and enabling the drawing chuck 5 to clamp the steel bar of the anchoring piece to be tested, and the thruster is used for driving the drawing chuck to slide to one side far away from the anchoring piece so as to start drawing test. The cantilever type direction-changeable drawing instrument provided by the embodiment is convenient for carrying out drawing test on the anchoring piece positioned on the outer wall of the building.
As a further improvement to the above technical solution, the drawing collet 5 comprises a cylinder 51 and a synchronous drive; one end of the cylinder 51 is closed, and the other opposite end forms an opening 514; a plurality of claws 513 are circumferentially distributed at the opening end of the cylinder 51; the claw 513 is slidable on the cylinder 51 in the radial direction; the synchronous driver is used for driving the clamping claw to synchronously slide into the cylinder or outside the cylinder; the sliding table 4 is provided with a through hole 41; the axis of the through hole 41 is parallel to the support beam; the closed end of the cylinder 51 passes through the through hole and is in sliding connection with the sliding table. When the steel bar needs to be clamped, the cylinder 51 is slid to the position right above the steel bar, and the thruster drives the cylinder 51 to slide to the side close to the anchoring member, so that the cylinder 51 is abutted against the surface of the anchoring member. At this time, the steel bar stretches into the cylinder 51 along the opening, the synchronous driver drives the clamping jaw to synchronously slide towards the cylinder, the clamping bar is abutted on the outer peripheral surface of the steel bar, the thruster drives the cylinder 51 to slide towards the side far away from the anchoring piece, and the drawing test is started. After the test is completed, the synchronous driver drives the clamping jaws to synchronously slide outwards of the cylinder body, and the steel bars are loosened. And the steel bar is convenient to clamp or unclamp.
As a further improvement to the above-mentioned solution, the bottom of the cylinder 51 extends radially outwards to form an outer boss 515; an annular cavity 516 is formed at the top end of the outer boss 515; a plurality of grooves 517 are formed on the outer peripheral surface of the cylinder 51; the groove communicates the annular cavity with the opening; one end of the claw 513 is inserted into the groove, the other opposite end extends into the annular cavity, and the claw can slide in the annular cavity along the radial direction; the top of the claw is provided with a first end face thread; the synchronous drive includes a power flange 52; the lower surface of the power flange 52 is provided with a second end surface thread matched with the first end surface thread; the power flange 52 is sleeved on the cylinder 51 and embedded in the annular cavity to be in threaded connection with the clamping jaw; the power flange 52 is rotatable about the axis of the barrel.
In an initial state, the clamping claws 513 are positioned in the annular cavity 516, when the steel bar needs to be clamped, the power flange 52 is rotated, and the clamping claws 513 slide along the radial direction and pass through the grooves 517 to enter the cylinder 51 for clamping the steel bar. After the test is completed, the power flange 52 is rotated in the reverse direction, and the claw 513 is slid into the annular cavity 516 again to restore the original state. Facilitating sliding of the drive dog 513.
As a further improvement to the above-described technical solution, the cylinder 51 includes an upper cylinder 511 and a lower cylinder 512; the top of the upper cylinder 511 passes through the through hole 41 to be in sliding connection with the sliding table 4, and the bottom of the upper cylinder is in rotary connection with the lower cylinder 512; the end of the claw 513 extending into the cylinder is provided with a meshing grinding wheel 513a; the cross section of the engagement grinding wheel 513a is saw-toothed. When clamping the steel bar, the claw 513 extends into the lower cylinder 512, so that the engagement grinding wheel 513a abuts against the steel bar. The lower cylinder 512 is rotated while the jaws 513 are slid in the radially lower cylinder 512, and in this process, the engagement grinding wheel 513a grinds an annular groove in the outer circumferential surface of the reinforcing bar, and the engagement grinding wheel 513a is embedded in the annular groove. The clamping of the steel bar is facilitated, the clamping claw 513 slides on the outer circumferential surface of the steel bar when the drawing test is prevented, and the test precision is facilitated to be improved.
As a further improvement of the above technical solution, a plurality of rotatable rollers 512a are circumferentially mounted on the bottom end surface of the lower cylinder 512. Facilitating sliding of the lower barrel 512 over the anchor.
As a further improvement to the technical scheme, the thruster is an oil cylinder; and two ends of the oil cylinder are respectively connected with the drawing chuck and the cantilever beam. Simple structure, convenient maintenance.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (2)
1. The utility model provides a but cantilever type diversion draws appearance which characterized in that: comprises a supporting beam (1), a joint body (2), a cantilever beam (3) and a sliding table (4); the support beam (1) defines a first swing plane (11) parallel to the support beam (1); one end of the supporting beam (1) is connected with the joint body (2), and the joint body (2) can swing in a first swing plane (11); one end of the joint body (2) far away from the supporting beam (1) is provided with a swinging groove (22); the oscillating groove (22) defines a second oscillating plane (23); the second swinging plane (23) is perpendicular to the first swinging plane (11); a short shaft (21) is arranged in the swinging groove (22); the cantilever beam (3) is connected with the joint body (2) through a short shaft (21) and can rotate around the short shaft (21) in a second swinging plane (23); the sliding table (4) is arranged on the cantilever beam (3) and can slide along the cantilever beam (3); the sliding table (4) is provided with a drawing chuck (5) and a thruster; the drawing chuck (5) can slide on the sliding table (4) along the direction parallel to the supporting beam (1); the drawing clamp head (5) is used for clamping the steel bars; the thruster is used for driving the drawing chuck (5) to slide;
the drawing chuck (5) comprises a cylinder (51) and a synchronous driver; one end of the cylinder body (51) is closed, and the other opposite end forms an opening (514); the opening end of the cylinder body (51) is circumferentially provided with a plurality of clamping claws (513); the clamping jaw (513) can slide on the cylinder (51) along the radial direction; the synchronous driver is used for driving the clamping claw (513) to synchronously slide towards the inside or the outside of the cylinder; the sliding table (4) is provided with a through hole (41); the axis of the through hole (41) is parallel to the supporting beam (1); the closed end of the cylinder body (51) passes through the through hole (41) and is in sliding connection with the sliding table (4);
the bottom of the cylinder body (51) extends outwards along the radial direction to form an outer boss (515); an annular cavity (516) is formed at the top end of the outer boss (515); a plurality of grooves (517) are formed in the outer peripheral surface of the cylinder body (51); the groove (517) communicates an annular cavity (516) with the opening (514); one end of the claw (513) is inserted into the groove (517), the other opposite end extends into the annular cavity (516), and the claw (513) can slide in the annular cavity (516) along the radial direction; the top of the claw (513) is provided with a first end surface thread; the synchronous drive includes a power flange (52); the lower surface of the power flange (52) is provided with second end surface threads matched with the first end surface threads; the power flange (52) is sleeved on the cylinder body (51) and embedded into the annular cavity (516) to be in threaded connection with the clamping jaw (513); the power flange (52) can rotate around the axis of the cylinder (51);
the cylinder (51) comprises an upper cylinder (511) and a lower cylinder (512); the top of the upper cylinder body (511) penetrates through the through hole (41) to be connected with the sliding table (4) in a sliding mode, and the bottom of the upper cylinder body is connected with the lower cylinder body (512) in a rotating mode; the end, extending into the cylinder, of the clamping jaw (513) is provided with a meshing grinding wheel (513 a); the section of the occlusion grinding wheel (513 a) is saw-tooth-shaped.
2. The cantilever-type variable direction puller as set forth in claim 1 wherein: the bottom end surface of the lower cylinder (512) is provided with a plurality of rotatable rollers (512 a) along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910078482.5A CN109596412B (en) | 2019-01-28 | 2019-01-28 | Cantilever type direction-changeable drawing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910078482.5A CN109596412B (en) | 2019-01-28 | 2019-01-28 | Cantilever type direction-changeable drawing instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109596412A CN109596412A (en) | 2019-04-09 |
| CN109596412B true CN109596412B (en) | 2024-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910078482.5A Active CN109596412B (en) | 2019-01-28 | 2019-01-28 | Cantilever type direction-changeable drawing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109596412B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024496A (en) * | 2019-11-28 | 2020-04-17 | 中国建筑第八工程局有限公司 | Force transmission device for anti-pulling test and detection method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2208625A1 (en) * | 1996-06-24 | 1997-12-24 | Takeya Saito | Hoisting and clamping apparatus |
| CN202522478U (en) * | 2011-11-18 | 2012-11-07 | 柴新军 | Strain control type micro soil nail drawing instrument |
| CN104390910A (en) * | 2014-02-20 | 2015-03-04 | 昆山市建设工程质量检测中心 | Drawing detection clamp for building insulting layer anchoring parts and drawing detection method |
| CN208206678U (en) * | 2018-03-21 | 2018-12-07 | 宁波和邦检测研究有限公司 | A kind of rivet drawing instrument |
| CN209432586U (en) * | 2019-01-28 | 2019-09-24 | 重庆固力建筑工程质量检测有限公司 | The reversible drawing instrument of cantilevered |
-
2019
- 2019-01-28 CN CN201910078482.5A patent/CN109596412B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2208625A1 (en) * | 1996-06-24 | 1997-12-24 | Takeya Saito | Hoisting and clamping apparatus |
| CN202522478U (en) * | 2011-11-18 | 2012-11-07 | 柴新军 | Strain control type micro soil nail drawing instrument |
| CN104390910A (en) * | 2014-02-20 | 2015-03-04 | 昆山市建设工程质量检测中心 | Drawing detection clamp for building insulting layer anchoring parts and drawing detection method |
| CN208206678U (en) * | 2018-03-21 | 2018-12-07 | 宁波和邦检测研究有限公司 | A kind of rivet drawing instrument |
| CN209432586U (en) * | 2019-01-28 | 2019-09-24 | 重庆固力建筑工程质量检测有限公司 | The reversible drawing instrument of cantilevered |
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| Publication number | Publication date |
|---|---|
| CN109596412A (en) | 2019-04-09 |
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