CN219942905U - Concrete gas content detection device - Google Patents
Concrete gas content detection device Download PDFInfo
- Publication number
- CN219942905U CN219942905U CN202322618756.XU CN202322618756U CN219942905U CN 219942905 U CN219942905 U CN 219942905U CN 202322618756 U CN202322618756 U CN 202322618756U CN 219942905 U CN219942905 U CN 219942905U
- Authority
- CN
- China
- Prior art keywords
- driving
- driving wheel
- air content
- fastening pin
- claw
- 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.)
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 210000000078 claw Anatomy 0.000 claims abstract description 50
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
The utility model is suitable for the field of concrete detection equipment, and provides a concrete air content detection device, which comprises a pot cover, a measuring pot and a plurality of fixing claws distributed around the pot cover and the measuring pot; the fixed claw comprises a hook claw part used for clamping the bowl cover along the edge of the measuring bowl, a fastening pin which is arranged in the fixed claw and moves in the direction approaching to and separating from the hook claw part, and a driving component used for driving the fastening pin to move; the driving assembly comprises a driving wheel with a horizontally arranged axis, a threaded shaft connected with the driving wheel and a conical block arranged at the end part of the threaded shaft; the screw shaft is in threaded connection with the fixed claw; the circumferential side wall of the conical block is in contact with the end part of the fastening pin, so that the driving wheel can be driven to rotate in a pressing mode through the driving handle, the rotating driving wheel further drives the fixing claw to realize fixing work, the auxiliary driving can be carried out by utilizing the gravity of a human body in the driving mode, the difference of applied force between the left hand and the right hand is made up, and the synchronous driving effect is optimized.
Description
Technical Field
The utility model relates to the field of concrete detection equipment, in particular to a concrete air content detection device.
Background
The concrete air content tester is used for measuring the air content in the mixture, measuring the air bubble content mainly distributed in fine particles (namely mortar) of the concrete, and determining the performance of the whole concrete by measuring the performance of the mortar.
The equipment for measuring the concrete in the existing equipment is a concrete gas content measuring instrument, and comprises a pot cover and a measuring pot, wherein the pot cover and the measuring pot are fixed through four fixing claws in the measuring process, so that the sealing of the inner space of the pot cover and the measuring pot is realized, the leakage of internal gas is avoided, and the accuracy in detection is influenced. In the prior art, the driving rotating wheel at the upper end of the fixed claw is transversely arranged, diagonal driving is needed in the process of driving the fixed claw to realize fixing (two hands of an operator respectively hold the driving rotating wheel and synchronously rotate horizontally to drive the two fixed claws at the diagonal positions to clamp), and errors (the synchronous driving cannot be realized) are easy to occur in driving due to different degrees of force applied by the left hand and the right hand of a person in the driving process (the habit of the person is caused), so that the sealing process is influenced.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects, the utility model aims to provide the concrete air content detection device which can drive the driving wheel to rotate in a pressing mode through the driving handle, and the rotating driving wheel further drives the fixed claw to realize fixed work.
In order to achieve the aim, the utility model provides a concrete air content detection device which comprises a pot cover, a measuring pot and a plurality of fixing claws distributed around the pot cover and the measuring pot; the fixed claw comprises a hook claw part used for clamping the bowl cover along the edge of the measuring bowl, a fastening pin arranged in the fixed claw and moving in the direction approaching to and separating from the hook claw part, and a driving component used for driving the fastening pin to move; the driving assembly comprises a driving wheel with a horizontal axis, a threaded shaft connected with the driving wheel and a conical block arranged at the end part of the threaded shaft; the threaded shaft is in threaded connection with the fixed claw; the circumferential side wall of the tapered block is in contact with the fastening pin end.
According to the concrete air content detection device, the driving wheel is coaxially connected with the threaded shaft.
According to the concrete air content detection device, the driving wheel is driven by a driving handle; the driving handle is connected with the driving wheel through a positioning structure.
According to the concrete air content detection device provided by the utility model, the positioning structure comprises a plurality of positioning teeth arranged on the circumferential side wall of the driving wheel and a tooth sleeve arranged at the end part of the driving handle.
According to the concrete air content detection device provided by the utility model, the positioning structure comprises a plurality of positioning grooves arranged on the circumferential side wall of the driving wheel and driving teeth arranged at the end part of the driving handle.
According to the concrete air content detection device, a plurality of driving teeth are arranged, and a preset distance is arranged between every two adjacent driving teeth.
The utility model provides a concrete air content detection device, which comprises a pot cover, a measuring pot and a plurality of fixing claws distributed around the pot cover and the measuring pot; the fixed claw comprises a hook claw part used for clamping the bowl cover along the edge of the measuring bowl, a fastening pin arranged in the fixed claw and moving in the direction approaching to and separating from the hook claw part, and a driving component used for driving the fastening pin to move; the driving assembly comprises a driving wheel with a horizontal axis, a threaded shaft connected with the driving wheel and a conical block arranged at the end part of the threaded shaft; the threaded shaft is in threaded connection with the fixed claw; the circumferential side wall of the tapered block is in contact with the fastening pin end. The driving handle can drive the driving wheel to rotate in a pressing mode, the rotating driving wheel further drives the fixing claw to realize fixing work, and by utilizing the driving mode, the gravity of a human body can be utilized for auxiliary driving so as to make up the difference of applied force between the left hand and the right hand and optimize the synchronous driving effect.
Drawings
FIG. 1 is a schematic view of the present utility model prior to compaction;
FIG. 2 is a schematic view of the present utility model after compaction;
FIG. 3 is a schematic view of the structure of the drive handle;
FIG. 4 is a schematic view of the present utility model in a compacting operation;
FIG. 5 is a cross-sectional view of portion A of FIG. 4;
FIG. 6 is a schematic view of the positioning structure of the second embodiment;
FIG. 7 is a schematic view of a positioning structure according to a third embodiment;
in the figure, 1-bowl cover, 2-measuring bowl, 3-fixed claw, 31-hook claw, 32-fastening pin, 34-connecting part, 35-pin shaft, 41-driving wheel, 42-screw shaft, 43-conical block, 411-positioning tooth, 412-positioning groove, 5-driving handle, 51-tooth cover and 52-driving tooth.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the accompanying drawings and examples, it being understood that the specific examples described herein are for illustration only and are not intended to limit the present utility model.
Referring to fig. 1 and 2, the utility model provides a concrete air content detection device, which comprises a pot cover 1, a measuring pot 2 and a plurality of fixing claws 3 distributed around the pot cover and the measuring pot 2; the side portion of each fixing claw 3 is provided with a connecting portion 34, the connecting portion 34 is mounted on the cover edge of the bowl cover 1 in a horizontal rotation mode, specifically, the connecting portion 34 and the cover edge of the bowl cover 1 are correspondingly provided with mounting holes, and pin shafts 35 are mounted in the mounting holes.
The fixed claw 3 is rotated around the pin shaft 35, so that the fixed claw 3 can be switched between an operating state and a non-operating state, the fixed claw 3 in the non-operating state is rotated outwards, the hook claw 31 (described in detail below Wen Huiyou) is separated from the cover edge of the bowl cover 1, and the fixed claw 3 is rotated to the state, so that the bowl cover 1 can be covered or detached, and the fixed claw 3 cannot cause operation interference. After the bowl cover 1 is covered, the fixed claw 3 is rotated to the working state, and the hook claw 31 of the fixed claw 3 in the working state is contacted with the cover edge of the bowl cover 1.
The fixed claw 3 comprises a hook claw 31 used for clamping the edge of the bowl cover 1 and the edge of the measuring bowl 2, a fastening pin 32 arranged in the fixed claw 3 and moving in the direction approaching to and separating from the hook claw 31, and a driving component used for driving the fastening pin 32 to move; when the fastening pin 32 moves towards the direction approaching to the hook portion 31, the fixing claw 3 enters a fastening state, the fastening pin 32 is matched with the hook portion 31 to clamp the cover of the bowl cover 1 along the edge of the measuring bowl 2, and when the fastening pin 32 moves away from the hook portion 31, the fixing claw 3 enters a loosening state.
Referring to fig. 4 and 5, the driving assembly includes a driving wheel 41 having a horizontally disposed axis, a screw shaft 42 connected to the driving wheel 41, and a tapered block 43 provided at an end of the screw shaft 42; the threaded shaft 42 is in threaded connection with the fixed jaw 3; the circumferential side wall of the tapered block 43 is in contact with the end of the fastening pin 32. The driving wheel and the threaded shaft can be eccentric or coaxially connected, and in the embodiment, the driving wheel and the threaded shaft are coaxially connected; when the fastening pin 32 is driven to perform fastening operation, the driving wheel 41 is vertically driven to rotate, the threaded shaft 42 is driven to rotate, and threaded transmission (axial movement) is performed between the rotating threaded shaft 42 and the fixed jaw 3 to drive the conical block 43 to move, and the moving conical block 43 presses the fastening pin 32 to move downwards by utilizing the side wall characteristics.
As shown in fig. 3 and 4, the driving wheel 41 of the present utility model is preferably driven by a driving handle 5; the drive handle 5 is connected to a drive wheel 41 by a positioning structure. In this embodiment, the positioning structure includes a plurality of positioning teeth 411 disposed on the circumferential side wall of the driving wheel 41 and a tooth sleeve 51 disposed on the end of the driving handle 5. The structure of the positioning teeth 411 may be adaptively set according to needs, for example, in this embodiment, the positioning teeth 411 are in a columnar structure, and the tooth sleeve 51 is correspondingly set to be in a ring structure. When the driving wheel 41 is driven to rotate, the tooth sleeve 51 at the end part of the driving handle 5 is only required to be sleeved on the positioning tooth 411, and then the driving wheel 41 is rotated downwards.
The utility model adopts the cooperation of the driving handle 5 and the driving wheel 41 to drive the fastening pin 32 to carry out locking operation, which has the advantages that: because the driving wheel 41 is in a vertical state (the axis of the driving wheel 41 is horizontal), when an operator drives the driving wheel 41 to work by using the driving handle 5, the auxiliary driving can be performed by using the gravity of a human body so as to make up the difference of the applied force between the left hand and the right hand, optimize the synchronous driving effect and increase the sealing effect in the equipment.
Referring to fig. 6, the present utility model in the second embodiment discloses another positioning structure comprising a plurality of positioning grooves 412 provided on the circumferential side wall of the driving wheel 41 and driving teeth 52 provided on the end of the driving handle 5. In use, the drive teeth 52 need to be inserted into the corresponding detents 412 in a manner equivalent to that described above.
Referring to fig. 7, the present utility model in the third embodiment discloses another positioning structure for providing a plurality of the driving teeth 52, with a predetermined distance between adjacent driving teeth 52, which is equal to or slightly smaller than the diameter of the driving wheel 41. In use, it is necessary to engage the drive wheel 41 in the gap between adjacent drive teeth 52, and the transmission between the drive teeth 52 and the drive handle 5 is made by friction, in a manner equivalent to that described above.
Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (6)
1. The concrete air content detection device is characterized by comprising a pot cover, a measuring pot and a plurality of fixing claws distributed around the pot cover and the measuring pot;
the fixed claw comprises a hook claw part used for clamping the bowl cover along the edge of the measuring bowl, a fastening pin arranged in the fixed claw and moving in the direction approaching to and separating from the hook claw part, and a driving component used for driving the fastening pin to move;
the driving assembly comprises a driving wheel with a horizontal axis, a threaded shaft connected with the driving wheel and a conical block arranged at the end part of the threaded shaft; the threaded shaft is in threaded connection with the fixed claw; the circumferential side wall of the tapered block is in contact with the fastening pin end.
2. The concrete air content detection device according to claim 1, wherein the driving wheel is coaxially connected with the threaded shaft.
3. The concrete air content detecting apparatus according to claim 1 or 2, wherein the driving wheel is driven by a driving handle;
the driving handle is connected with the driving wheel through a positioning structure.
4. The concrete air content detecting device according to claim 3, wherein the positioning structure comprises a plurality of positioning teeth arranged on the circumferential side wall of the driving wheel and a tooth sleeve arranged on the end part of the driving handle.
5. The concrete air content detecting device according to claim 3, wherein the positioning structure comprises a plurality of positioning grooves arranged on the circumferential side wall of the driving wheel and driving teeth arranged on the end part of the driving handle.
6. The concrete air content detecting device according to claim 5, wherein a plurality of the driving teeth are provided, and a predetermined distance is provided between adjacent driving teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322618756.XU CN219942905U (en) | 2023-09-26 | 2023-09-26 | Concrete gas content detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322618756.XU CN219942905U (en) | 2023-09-26 | 2023-09-26 | Concrete gas content detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219942905U true CN219942905U (en) | 2023-11-03 |
Family
ID=88546927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322618756.XU Active CN219942905U (en) | 2023-09-26 | 2023-09-26 | Concrete gas content detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219942905U (en) |
-
2023
- 2023-09-26 CN CN202322618756.XU patent/CN219942905U/en active Active
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| GR01 | Patent grant | ||
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