CN215374812U - Clamp for tensile test of concrete test block - Google Patents
Clamp for tensile test of concrete test block Download PDFInfo
- Publication number
- CN215374812U CN215374812U CN202120358979.5U CN202120358979U CN215374812U CN 215374812 U CN215374812 U CN 215374812U CN 202120358979 U CN202120358979 U CN 202120358979U CN 215374812 U CN215374812 U CN 215374812U
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- China
- Prior art keywords
- block
- guide
- concrete test
- clamp
- fixing plate
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- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 title claims abstract description 58
- 238000009864 tensile test Methods 0.000 title claims abstract description 20
- 238000003466 welding Methods 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Abstract
The application discloses a clamp for a concrete test block tensile test, which comprises a fixing component and a guiding component; the fixing assembly comprises a fixing plate, two sliding blocks, two clamping plates and a threaded rod, a sliding groove is formed in the side portion of the fixing plate, the two sliding blocks are slidably mounted in the sliding groove, bearings are fixedly welded on groove walls at two ends of the sliding groove, the threaded rod is in threaded connection with the two sliding blocks, the threaded rod is fixedly inserted in an inner ring of the bearing, and the two clamping plates are fixedly connected with the two sliding blocks respectively; the guide assembly comprises a guide plate and a guide block, a guide groove is formed in the side portion of the guide plate, the guide block is slidably mounted in the guide groove, and the guide block is welded and fixed on the side portion of the fixing plate. This scheme can carry out the centre gripping to the concrete test block of multiple size fixed, improves the suitability of anchor clamps, can effectually avoid when the tensile experiment, and the eccentric atress condition emergence appears in the concrete test block, can the effectual accuracy that improves the experimental data.
Description
Technical Field
The application relates to the technical field of concrete test block tensile tests, and particularly relates to a clamp for concrete test block tensile tests.
Background
The concrete test block is a material prepared by mixing concrete in proportion and putting the mixture into a concrete test mould, and is a prism test block prepared for testing the strength grade of the concrete.
When carrying out the tensile experiment to the concrete test block, the mode that generally adopts is glued to fix the concrete test block, then carries out the tensile experiment, but adopts this method fixed concrete test block, and the concrete test block that easily appears is when the tensile experiment, and eccentric atress makes experimental data appear the deviation.
SUMMERY OF THE UTILITY MODEL
The main aim at of this application provides a concrete test block anchor clamps for tensile experiment to improve and easily appear the concrete test block among the correlation technique when the tensile experiment, eccentric atress makes the problem that experimental data the deviation appears.
In order to achieve the above object, the present application provides a clamp for a concrete test block tensile test, comprising
The fixing assembly comprises a fixing plate, two sliding blocks, two clamping plates and a threaded rod, wherein a sliding groove is formed in the side part of the fixing plate, the two sliding blocks are slidably mounted in the sliding groove, bearings are fixedly welded on the two side walls of the fixing plate, the threaded rod is in threaded connection with the two sliding blocks, the threaded rod is fixedly inserted in the inner ring of each bearing, and the two clamping plates are respectively and fixedly connected with the two sliding blocks;
the guide assembly comprises a guide plate and a guide block, a guide groove is formed in the side portion of the guide plate, the guide block is slidably mounted in the guide groove, and the guide block is welded and fixed to the side portion of the fixing plate.
In one embodiment of the present application, a locking member is mounted on the slider, and the locking member abuts against a side portion of the fixing plate.
In an embodiment of the application, the retaining member includes a fastening bolt and a cushion block, the fastening bolt is in threaded connection with the sliding block, a threaded portion of the fastening bolt penetrates through the cushion block, and one side of the cushion block is abutted to a side portion of the fixing plate.
In one embodiment of the present application, the sliding block is in clearance sliding fit with the sliding groove, and the clearance is not greater than 0.01 mm.
In one embodiment of the application, two of the clamping plates are arranged as V-shaped clamping plates, the angle between the clamping surfaces of the clamping plates being arranged at 45 °.
In one embodiment of the application, the two sides of the guide plate are respectively welded and fixed with a limiting block.
In one embodiment of the present application, the two sliding blocks are symmetrically disposed with respect to a center line of the fixing plate.
In an embodiment of the application, the one end welded fastening of threaded rod has the hand wheel, the bonding is fixed with the rubber sleeve on the handheld portion of hand wheel.
Compared with the prior art, the beneficial effects of this application are:
1. when carrying out the centre gripping fixed to the concrete test block of prism, at first place the concrete test block between two splint, then rotatory threaded rod makes two slider relative sliding, drives two splint and carries out the centre gripping to the concrete test block, then rotatory fastening bolt makes the cushion contradict with the fixed plate, fixes the slider, keeps the stability of splint to the concrete test block centre gripping, can carry out the centre gripping to the concrete test block of multiple size fixed, improves the suitability of anchor clamps, convenience of customers operation.
2. When carrying out the tensile experiment to the concrete test block, the testing machine drives two fixed subassemblies and removes to two directions, through the cooperation of guide block and guide way, makes the fixed plate pass through the restriction of guide block, can only follow guide way rectilinear movement, can effectually avoid when the tensile experiment, and the eccentric atress condition emergence appears in the concrete test block, can effectual improvement experimental data's accuracy.
Drawings
FIG. 1 is a schematic structural diagram of a clamp for a concrete test block tensile test provided in an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of a guide plate of the clamp for a concrete test block tensile test provided in an embodiment of the present application;
FIG. 3 is a schematic side view of a guide plate of the clamp for a concrete block tensile test provided in the embodiment of the present application;
fig. 4 is a schematic cross-sectional structural view of a fixing plate of the clamp for a concrete test block tensile test provided in the embodiment of the application.
In the figure: 100. a fixing assembly; 110. a fixing plate; 120. a slider; 121. a locking member; 1211. fastening a bolt; 1212. cushion blocks; 130. a splint; 140. a threaded rod; 141. a hand wheel; 150. a chute; 160. a bearing; 200. a guide assembly; 210. a guide plate; 211. a limiting block; 220. a guide block; 230. a guide groove.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
Referring to fig. 1 to 4, the present application provides a clamp for a concrete test block tensile test, including two fixing elements 100 and two guiding elements 200, where the two fixing elements 100 are connected to the guiding elements 200;
the fixing assembly 100 comprises a fixing plate 110, two sliding blocks 120, two clamping plates 130 and a threaded rod 140, wherein a sliding groove 150 is formed in the side portion of the fixing plate 110, the two sliding blocks 120 are slidably mounted in the sliding groove 150, the sliding blocks 120 are convex sliding blocks, the sliding blocks 120 are in clearance sliding fit with the sliding groove 150, the clearance is not more than 0.01mm, bearings 160 are fixedly welded on the two side walls of the fixing plate 110, the threaded rod 140 is in threaded connection with the two sliding blocks 120, the two sliding blocks 120 are symmetrically arranged relative to the center line of the fixing plate 110, threaded holes with the same thread pitch and the opposite thread direction are respectively formed in the two sliding blocks 120, the two sliding blocks 120 are in threaded connection with the threaded rod 140 through the threaded holes, the threaded rod 140 is fixedly inserted in the inner ring of the bearings 160, and the two clamping plates 130 are respectively and fixedly connected with the two sliding blocks 120, the slide block 120 is provided with a locking member 121, the locking member 121 abuts against the side portion of the fixing plate 110, the locking member 121 comprises a fastening bolt 1211 and a cushion block 1212, the fastening bolt 1211 is in threaded connection with the slide block 120, the threaded portion of the fastening bolt 1211 penetrates through the cushion block 1212, one side of the cushion block 1212 abuts against the side portion of the fixing plate 110, the fixing plate 110 is mounted on the WAW-1000B type electro-hydraulic servo hydraulic universal testing machine by bolts, when the prism-shaped concrete test block is clamped and fixed by using the fixing assembly 100, the concrete test block is firstly placed between the two clamp plates 130, then the threaded rod 140 is rotated to enable the two slide blocks 120 to slide relatively, the two clamp plates 130 are driven to clamp the concrete test block, then the fastening bolt 1211 is rotated to enable the cushion block 1212 to abut against the fixing plate 110, and the slide block 120 is fixed, the clamping stability of the clamping plate 130 to the concrete test block is kept, the concrete test blocks with various sizes can be clamped and fixed, and the applicability of the clamp is improved;
In this embodiment, two splint 130 sets up to the V-arrangement splint, the contained angle between the clamping face of splint 130 sets up to 45, can be better with the lateral wall laminating of concrete test block, stability when improving splint 130 centre gripping.
In this embodiment, the two sides of the guide plate 210 are respectively welded and fixed with a stopper 211, so as to prevent the guide block 220 from slipping off the guide plate 210.
In this embodiment, the one end welded fastening of threaded rod 140 has hand wheel 141, the bonding is fixed with the rubber sleeve on hand-held portion of hand wheel 141, makes things convenient for rotatory threaded rod 140, drives splint 130 and carries out the centre gripping to the concrete test block.
Specifically, this anchor clamps for concrete test block tensile experiments's theory of operation: when in use, when the prism concrete test block is clamped and fixed, the concrete test block is firstly placed between the two clamping plates 130, then the threaded rod 140 is rotated to make the two sliding blocks 120 slide relatively, the two clamping plates 130 are driven to clamp the concrete test block, the fastening bolt 1211 is then rotated, the pad 1212 is abutted against the fixing plate 110, the slide block 120 is fixed, the stability of the clamping plate 130 to the concrete test block is kept, the concrete test blocks with various sizes can be clamped and fixed, the applicability of the clamp is improved, when the tensile test is performed on the concrete test block, the testing machine drives the two fixing components 100 to move towards two directions, through the cooperation of guide block 220 and guide way 230, make fixed plate 110 pass through the restriction of guide block 220, can only follow guide way 230 rectilinear movement, avoid when the tensile experiment, the eccentric atress condition of concrete test block emergence.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (8)
1. A clamp for a concrete test block tensile test is characterized by comprising
The fixing assembly (100) comprises a fixing plate (110), two sliding blocks (120), two clamping plates (130) and a threaded rod (140), a sliding groove (150) is formed in the side portion of the fixing plate (110), the two sliding blocks (120) are slidably mounted in the sliding groove (150), bearings (160) are fixedly welded on two side walls of the fixing plate (110), the threaded rod (140) is in threaded connection with the two sliding blocks (120), the threaded rod (140) is fixedly inserted into an inner ring of the bearings (160), and the two clamping plates (130) are respectively and fixedly connected with the two sliding blocks (120);
the guide assembly (200), the guide assembly (200) includes a guide plate (210) and a guide block (220), a guide groove (230) is formed in the side portion of the guide plate (210), the guide block (220) is slidably mounted in the guide groove (230), and the guide block (220) is welded and fixed to the side portion of the fixing plate (110).
2. The clamp for the concrete test block tensile test according to claim 1, wherein a locking member (121) is installed on the sliding block (120), and the locking member (121) abuts against a side portion of the fixing plate (110).
3. The clamp for the concrete test block tensile test according to claim 2, wherein the locking member (121) comprises a fastening bolt (1211) and a cushion block (1212), the fastening bolt (1211) is in threaded connection with the slider (120), the threaded portion of the fastening bolt (1211) penetrates through the cushion block (1212), and one side of the cushion block (1212) abuts against the side portion of the fixing plate (110).
4. The clamp for the concrete test block tensile test according to claim 1, wherein the sliding block (120) is in clearance sliding fit with the sliding groove (150), and the clearance is not more than 0.01 mm.
5. The clamp for the concrete test block tensile test according to claim 1, wherein two of the clamping plates (130) are V-shaped clamping plates, and an included angle between clamping surfaces of the clamping plates (130) is set to be 45 °.
6. The clamp for the concrete test block tensile test according to claim 1, wherein a limiting block (211) is welded and fixed to both sides of the guide plate (210) respectively.
7. The clamp for the concrete test block tensile test according to claim 1, wherein the two sliding blocks (120) are symmetrically arranged with respect to a center line of the fixing plate (110).
8. The clamp for the tensile test of the concrete test block as claimed in claim 1, wherein a hand wheel (141) is fixed to one end of the threaded rod (140) by welding, and a rubber sleeve is fixed to a handheld portion of the hand wheel (141) by bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120358979.5U CN215374812U (en) | 2021-02-06 | 2021-02-06 | Clamp for tensile test of concrete test block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120358979.5U CN215374812U (en) | 2021-02-06 | 2021-02-06 | Clamp for tensile test of concrete test block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215374812U true CN215374812U (en) | 2021-12-31 |
Family
ID=79622790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120358979.5U Expired - Fee Related CN215374812U (en) | 2021-02-06 | 2021-02-06 | Clamp for tensile test of concrete test block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215374812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115538308A (en) * | 2022-07-05 | 2022-12-30 | 港珠澳大桥管理局 | Device capable of replacing concrete surface defect test block |
-
2021
- 2021-02-06 CN CN202120358979.5U patent/CN215374812U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115538308A (en) * | 2022-07-05 | 2022-12-30 | 港珠澳大桥管理局 | Device capable of replacing concrete surface defect test block |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |