CN219657650U - Device for fixing pre-buried measuring head of contact method horizontal shrinkage test specimen - Google Patents
Device for fixing pre-buried measuring head of contact method horizontal shrinkage test specimen Download PDFInfo
- Publication number
- CN219657650U CN219657650U CN202321091164.0U CN202321091164U CN219657650U CN 219657650 U CN219657650 U CN 219657650U CN 202321091164 U CN202321091164 U CN 202321091164U CN 219657650 U CN219657650 U CN 219657650U
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- China
- Prior art keywords
- horizontal shrinkage
- test piece
- measuring head
- fine adjustment
- fixedly connected
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000005096 rolling process Methods 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 6
- 230000005484 gravity Effects 0.000 abstract description 8
- 230000008602 contraction Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model belongs to the technical field of horizontal shrinkage and expansion instrument equipment, and discloses a device for fixing a pre-buried measuring head of a test piece in a contact method horizontal shrinkage and expansion instrument. When the test piece is used, the test piece is placed on the elastic seat, the gravity of the test piece is used for acting on the elastic seat, so that the elastic seat is pressed downwards on the fine adjustment rod against the elastic force, and the fine adjustment rod is screwed to drive the elastic seat to move, so that the position of the test piece can be conveniently adjusted and fixed.
Description
Technical Field
The utility model belongs to the technical field of horizontal shrinkage and expansion instrument equipment, and particularly relates to a device for fixing a pre-buried measuring head of a test piece in a horizontal shrinkage test by a contact method.
Background
The existing application number is 2022105343958, the supporting plate can be driven to move by the shrinkage and expansion of the slurry in the base, the supporting plate drives the transmission rod to move, and shrinkage and expansion data can be obtained by detecting the movement of the transmission rod through the sensor.
After the target test piece is placed in the device, when the position of the test piece needs to be moved, the friction force between the test piece and the shrinkage-expansion instrument is relatively large, so that the problem that the conventional shrinkage-expansion instrument is relatively difficult to move and fix the position of the test piece is solved.
Therefore, a device for fixing the pre-buried measuring head of the contact-method horizontal shrinkage test specimen is provided to solve the problems.
Disclosure of Invention
The utility model aims to solve the problem that in the prior art, a conventional shrinkage-expansion instrument is difficult to move and fix the position of a test piece, and provides a device for fixing a pre-buried measuring head of a test piece in a contact method horizontal shrinkage test.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the device for fixing the pre-buried measuring head of the contact method horizontal shrinkage test specimen comprises a horizontal shrinkage and expansion instrument, an elastic seat and a fine adjustment rod, wherein the lower wall of the elastic seat is matched with the horizontal shrinkage and expansion instrument in a rolling contact manner, the fine adjustment rod is rotatably arranged at the lower part of the horizontal shrinkage and expansion instrument, and the lower part of the elastic seat is in threaded butt joint and matched with the fine adjustment rod.
When the test piece is used, the test piece is placed on the elastic seat, the gravity of the test piece is utilized to act on the elastic seat, so that the elastic seat overcomes the elasticity and is downwards pressed on the fine adjustment rod, the fine adjustment rod is screwed to drive the elastic seat to move, and the position of the test piece is conveniently adjusted and fixed.
Preferably, the upper part of the horizontal type shrinkage-expansion instrument is symmetrically and fixedly connected with a stop lever.
The baffle rod is utilized to block the upper part of the horizontal type shrinkage and expansion instrument, so that the side part position of the test piece is convenient and stable.
Preferably, the horizontal type contraction and expansion instrument comprises a device body and pulleys, wherein the pulleys are uniformly arranged at the lower part of the device body.
The pulley is utilized to reduce the friction force in the adjustment process of the elastic seat, so that the moving and positioning of the target test piece is facilitated.
Preferably, the horizontal type shrinkage and expansion instrument comprises supporting feet which are symmetrically and fixedly connected to the lower part of the device body.
The device body is supported with the target ground through the supporting legs, so that the placement stability of the device body is improved.
Preferably, the elastic seat comprises a seat body, a threaded connecting block and a return spring, wherein the seat body and the threaded connecting block are fixedly connected into a whole, and the return spring is symmetrically and fixedly connected with the lower end of the seat body.
After the test piece is placed on the upper side of the seat body, the gravity of the test piece is utilized to overcome the elasticity of the reset spring, so that the seat body is sunk, and then the seat body is in rolling contact with the pulley, and the position of the target test piece can be conveniently adjusted through the seat body.
Preferably, the fine adjustment rod comprises a threaded rod and a stop block, and the stop block is fixedly connected to the tail of the threaded rod.
The threaded connecting block is in threaded butt joint with the threaded rod after sinking, and then the threaded rod is screwed to rotate, so that the threaded rod drives the threaded connecting block to move, and the seat body conveniently drives the target fine adjustment position.
Preferably, the fine adjustment rod comprises a knob which is fixedly connected to one end of the threaded rod, which is opposite to the stop block.
The length of the lever for manually screwing the threaded rod is increased by using the knob, so that the manual screwing of the threaded rod is facilitated.
In summary, the technical effects and advantages of the present utility model are: 1. when the test piece is used, the test piece is placed on the elastic seat, the gravity of the test piece is utilized to act on the elastic seat, so that the elastic seat overcomes the elasticity and is downwards pressed on the fine adjustment rod, the fine adjustment rod is screwed to drive the elastic seat to move, and the position of the test piece is conveniently adjusted and fixed.
2. After the test piece is placed on the upper side of the seat body, the gravity of the test piece is utilized to overcome the elasticity of the reset spring, so that the seat body is sunk, and then the seat body is in rolling contact with the pulley, and the position of the target test piece can be conveniently adjusted through the seat body.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the horizontal type contraction and expansion apparatus according to the present utility model;
FIG. 3 is a schematic diagram of a spring seat according to the present utility model;
fig. 4 is a schematic view of the structure of the fine tuning rod according to the present utility model.
In the figure: 1. a stop lever; 2. a horizontal shrinkage-expansion instrument; 3. an elastic seat; 4. a fine tuning rod; 21. a body; 22. a pulley; 23. supporting feet; 31. a base; 32. a threaded engagement block; 33. a return spring; 41. a threaded rod; 42. a knob; 43. and a stop block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1, the device for fixing the pre-buried measuring head of the test piece in the horizontal shrinkage test by the contact method comprises a horizontal shrinkage and expansion instrument 2, an elastic seat 3 and a fine adjustment rod 4, wherein the lower wall of the elastic seat 3 is matched with the horizontal shrinkage and expansion instrument 2 in a rolling contact manner, the fine adjustment rod 4 is rotatably arranged at the lower part of the horizontal shrinkage and expansion instrument 2, and the lower part of the elastic seat 3 is in threaded butt joint and matched with the fine adjustment rod 4. When the test piece is used, a test piece is placed on the elastic seat 3, the gravity of the test piece is utilized to act on the elastic seat 3, so that the elastic seat 3 overcomes the elasticity and is downwards pressed on the fine adjustment rod 4, and the fine adjustment rod 4 is screwed to drive the elastic seat 3 to move in a spiral manner.
Referring to fig. 1, a stop lever 1 is symmetrically and fixedly connected to the upper part of a horizontal type contraction and expansion instrument 2. The stop lever 1 is used for stopping at the upper part of the horizontal shrinkage and expansion instrument 2, so as to play a role in stabilizing the side part position of the test piece.
Referring to fig. 1 and 2, the horizontal type contraction/expansion apparatus 2 includes a body 21 and a pulley 22, and the pulley 22 is uniformly disposed at a lower portion of the body 21. The pulley 22 is used to reduce the friction during adjustment of the spring holder 3.
Referring to fig. 2, the horizontal type contraction and expansion apparatus 2 includes supporting legs 23, and the supporting legs 23 are symmetrically and fixedly connected to the lower portion of the body 21. The body 21 is supported by the support legs 23 with respect to the target ground.
Referring to fig. 2 and 3, the elastic seat 3 includes a seat body 31, a threaded engagement block 32 and a return spring 33, the threaded engagement block 32 is movably embedded between the pulleys 22, the seat body 31 is located at an upper side of the pulleys 22, a lower end of the return spring 33 is fixedly connected with the body 21, the seat body 31 and the threaded engagement block 32 are fixedly connected into a whole, and the return spring 33 is symmetrically and fixedly connected at a lower end of the seat body 31. After the test piece is placed on the upper side of the seat body 31, the gravity of the test piece overcomes the elastic force of the return spring 33 to enable the seat body 31 to sink, and further the seat body 31 is in rolling contact with the pulley 22.
Referring to fig. 2, 3 and 4, the fine adjustment lever 4 includes a threaded rod 41 and a stopper 43, the threaded rod 41 is rotatably mounted at the lower portion of the body 21, the threaded rod 41 is in threaded contact with the threaded engagement block 32, and the stopper 43 is fixedly connected at the tail of the threaded rod 41. The threaded connecting block 32 is in threaded butt joint with the threaded rod 41 after sinking, and then the threaded rod 41 is screwed to rotate, so that the threaded rod 41 drives the threaded connecting block 32 to move, and the base 31 drives the target fine adjustment position.
Referring to fig. 4, the fine adjustment lever 4 includes a knob 42, and the knob 42 is fixedly connected to an end of the threaded rod 41 opposite to the stop 43. The lever length of the manual screw rod 41 is increased by the knob 42.
Working principle: after the test piece is placed on the upper side of the seat body 31, the gravity of the test piece overcomes the elasticity of the reset spring 33, so that the seat body 31 is sunk, the seat body 31 is in rolling contact with the pulley 22, the threaded connecting block 32 is in threaded butt joint with the threaded rod 41 after sunk, then the threaded rod 41 is screwed to rotate, the threaded rod 41 drives the threaded connecting block 32 to move, and the seat body 31 drives the target fine adjustment position.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
The application direction is simply mentioned in the description for the prior art that the present utility model is known to those skilled in the art and has not changed, and the complete technology is formed by combining the present utility model; techniques well known to those skilled in the art to avoid undue popularity are employed to assist those skilled in the art in quickly understanding the broad teachings of the present utility model.
Claims (7)
1. Device that contact method horizontal shrinkage test piece pre-buried gauge head is fixed, its characterized in that: the device comprises a horizontal shrinkage and expansion instrument (2), an elastic seat (3) and a fine adjustment rod (4), wherein the lower wall of the elastic seat (3) is matched with the horizontal shrinkage and expansion instrument (2) in a rolling contact manner, the fine adjustment rod (4) is rotatably arranged at the lower part of the horizontal shrinkage and expansion instrument (2), and the lower part of the elastic seat (3) is matched with the fine adjustment rod (4) in a threaded butt joint manner.
2. The device for fixing the pre-buried measuring head of the contact horizontal shrinkage test specimen according to claim 1, wherein the device is characterized in that: the upper part of the horizontal shrinkage-expansion instrument (2) is symmetrically and fixedly connected with a stop lever (1).
3. The device for fixing the pre-buried measuring head of the contact horizontal shrinkage test specimen according to claim 1, wherein the device is characterized in that: the horizontal shrinkage-expansion instrument (2) comprises a device body (21) and pulleys (22), wherein the pulleys (22) are uniformly arranged at the lower part of the device body (21).
4. The device for fixing the pre-buried measuring head of the contact horizontal shrinkage test piece according to claim 3, wherein: the horizontal type shrinkage and expansion instrument (2) comprises supporting feet (23), and the supporting feet (23) are symmetrically and fixedly connected to the lower part of the connector body (21).
5. The device for fixing the pre-buried measuring head of the contact horizontal shrinkage test specimen according to claim 1, wherein the device is characterized in that: the elastic seat (3) comprises a seat body (31), a threaded connecting block (32) and a return spring (33), wherein the seat body (31) and the threaded connecting block (32) are fixedly connected into a whole, and the return spring (33) is symmetrically and fixedly connected with the lower end of the seat body (31).
6. The device for fixing the pre-buried measuring head of the contact horizontal shrinkage test specimen according to claim 1, wherein the device is characterized in that: the fine adjustment rod (4) comprises a threaded rod (41) and a stop block (43), and the stop block (43) is fixedly connected to the tail of the threaded rod (41).
7. The device for fixing the pre-buried measuring head of the contact horizontal shrinkage test piece according to claim 6, wherein the device is characterized in that: the fine adjustment rod (4) comprises a knob (42), and the knob (42) is fixedly connected to one end of the threaded rod (41) opposite to the stop block (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321091164.0U CN219657650U (en) | 2023-05-08 | 2023-05-08 | Device for fixing pre-buried measuring head of contact method horizontal shrinkage test specimen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321091164.0U CN219657650U (en) | 2023-05-08 | 2023-05-08 | Device for fixing pre-buried measuring head of contact method horizontal shrinkage test specimen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219657650U true CN219657650U (en) | 2023-09-08 |
Family
ID=87859138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321091164.0U Active CN219657650U (en) | 2023-05-08 | 2023-05-08 | Device for fixing pre-buried measuring head of contact method horizontal shrinkage test specimen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219657650U (en) |
-
2023
- 2023-05-08 CN CN202321091164.0U patent/CN219657650U/en active Active
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