CN217586664U - Wall strength measuring device - Google Patents

Wall strength measuring device Download PDF

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Publication number
CN217586664U
CN217586664U CN202220502368.8U CN202220502368U CN217586664U CN 217586664 U CN217586664 U CN 217586664U CN 202220502368 U CN202220502368 U CN 202220502368U CN 217586664 U CN217586664 U CN 217586664U
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connecting rod
force arm
force
wall surface
measuring device
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CN202220502368.8U
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Chinese (zh)
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王生根
杜礼兵
汪杰
童浙
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Hangzhou Optimax Technology Co ltd
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Hangzhou Optimax Technology Co ltd
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Abstract

The application relates to the technical field of measurement, in particular to a wall strength measuring device. The device includes: the force transmission assembly comprises a first connecting rod and a second connecting rod; one end of the first connecting rod and one end of the second connecting rod are respectively abutted against the two side wall surfaces; the force measuring device is used for measuring the pressure borne by the wall surface; the force application mechanism comprises an adjusting rod, a sliding block and a force arm assembly, the force arm assembly comprises a first force arm and a second force arm, one end of the first force arm is rotatably connected with the sliding block, and the other end of the first force arm is rotatably connected with the first connecting rod; one end of the second force arm is rotatably connected with the sliding block, the other end of the second force arm is rotatably connected with the second connecting rod, and the sliding block is arranged on the adjusting rod and can move along the axial direction of the adjusting rod so as to adjust the thrust applied to the first connecting rod and the second connecting rod correspondingly by the first force arm and the second force arm. The structure of the measuring device is simplified through the improvement of the application, the weight of the device is effectively reduced, the carrying difficulty is reduced, and meanwhile, the improvement of the structure brings the simplification of the testing steps, so that the measuring efficiency is obviously improved.

Description

Wall strength measuring device
Technical Field
The application relates to the technical field of measurement, in particular to a wall strength measuring device.
Background
Many products have two opposite walls and have certain requirements on the strength of the walls, such as the walls of an elevator car, the skirt panels of an escalator, and the like. Therefore, it is necessary to test and verify the strength.
When the use site lacks experimental equipment and does not have detection conditions or large-scale professional testing equipment cannot be transferred to a detection site, a special measuring device which can be carried to the site, is light and has a simple structure is needed for testing the strength of the wall surface. However, the portable measuring devices currently available have the following disadvantages: 1. the field installation is complex, and the steps of applying pressure and testing are complex; 2. the structure is complex; 3. it is difficult to control the pressure applied to the oppositely disposed double-sided wall surfaces to be tested to be equal.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a two-side wall strength measuring device which is simple in structure, portable, and simple in measuring steps.
A wall surface strength measuring device for detecting the strength of a wall surface having two surfaces arranged opposite to each other, comprising: a force transfer assembly comprising a first link and a second link; one end of the first connecting rod and one end of the second connecting rod are respectively abutted against the two wall surfaces; the force measuring device is used for measuring the pressure borne by the wall surface; the force application mechanism is arranged between the first connecting rod and the second connecting rod; the force applying mechanism comprises an adjusting rod, a sliding block and a force arm assembly, the force arm assembly comprises a first force arm and a second force arm, one end of the first force arm is rotatably connected with the sliding block, and the other end of the first force arm is rotatably connected with one end, far away from the wall surface, of the first connecting rod; one end of the second force arm is rotatably connected with the sliding block, the other end of the second force arm is rotatably connected with one end, far away from the wall surface, of the second connecting rod, and the sliding block is arranged on the adjusting rod and can move along the axial direction of the adjusting rod so as to adjust the thrust applied to the first connecting rod and the second connecting rod correspondingly by the first force arm and the second force arm.
In one embodiment, the number of the moment arm assemblies is two, and the moment arm assemblies are symmetrically arranged on the adjusting rod; one end, far away from the wall surface, of the first connecting rod is in rotating connection with the two first force arms, and one end, far away from the wall surface, of the second connecting rod is in rotating connection with the two second force arms.
In one embodiment, the force arm assembly further comprises a gear, the gear is arranged at one end of each of the first force arm and the second force arm connected with the sliding block, the gear is rotatably connected with the sliding block, and the two gears are meshed for transmission.
In one embodiment, the force arm assembly further comprises a rotating shaft, the slider is provided with an installation groove, the rotating shaft is arranged in the installation groove, and the gear is sleeved on the rotating shaft and can rotate relative to the rotating shaft.
In one embodiment, the adjusting rod is in threaded connection with the sliding block.
In one embodiment, the force application mechanism further comprises a handle, and the handle is connected with the adjusting rod and used for driving the adjusting rod to rotate.
In one embodiment, the first and second links are telescopic links.
In one embodiment, the force transfer assembly further comprises a connector; the first connecting rod with the second connecting rod is all including being responsible for and the extension section, be responsible for and offer a plurality of first through-holes that distribute along its axial, offer a plurality of second through-holes that distribute along its axial on the extension section, the extension section can stretch into in the main pipe, the connecting piece runs through first through-hole with the second through-hole is in order to connect be responsible for with the extension section.
In one embodiment, the force transmission assembly further comprises a pressure head, the first connecting rod and the second connecting rod are abutted against one end of the wall surface, the pressure head is arranged on one end of the wall surface, the pressure head is provided with a fitting plane, and the fitting plane can be fitted with the wall surface.
In one embodiment, the wall surface strength measuring apparatus further includes a deformation measuring component, and the deformation measuring component includes: a support; and the displacement measurer is arranged on the bracket, and a probe of the displacement measurer is closely contacted with the wall surface and is used for measuring the deformation quantity of the wall surface deformed by stress.
Compared with the prior art, the wall strength measuring device that this application provided, through improving its forcing mechanism in order to simplify wall strength measuring device's structure, so only just can drive first force arm and second force arm promotion power transmission component and pass power when adjusting the position of slider on the pole, and exert pressure to the wall through power transmission component, so that the wall produces elastic deformation, reach the purpose of measuring wall strength, this application is through improving and simplifying forcing mechanism's structure, effectively alleviate measuring device's weight, reduce and carry the degree of difficulty, simultaneously because the improvement of structure brings the simplification of test procedure, thereby improve measurement of efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the description of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a wall strength measuring device applied in a car according to an embodiment of the present disclosure.
Fig. 2 is a schematic view of a wall strength measuring apparatus according to an embodiment of the present disclosure.
Fig. 3 is a partially enlarged view of a point a in fig. 2.
Fig. 4 is a front view of the wall strength measuring apparatus of fig. 2.
Fig. 5 is a schematic view of the wall surface strength measuring apparatus in fig. 2 in a state where pressure is applied to the wall surface.
FIG. 6 is a cross-sectional view of the connection of the main tube and the extension segment in an embodiment of the present application.
Reference numerals: 100. a wall surface strength measuring device; 10. a force transfer assembly; 11. a first link; 12. a second link; 13. a connecting member; 14. a main pipe; 141. a first through hole; 15. an extension section; 151. a second through hole; 20. a force measuring device; 21. a display screen; 30. a force application mechanism; 31. adjusting a rod; 32. a slider; 33. a moment arm assembly; 331. a first force arm; 332. a second force arm; 333. a gear; 334. a rotating shaft; 34. a handle; 35. a pressure head; 36. a nut; 40. a deformation measuring component; 41. a support; 42. a displacement measurer; 200. and (3) wall surfaces.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The use of the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like in the description of the present application is for purposes of illustration only and is not intended to represent the only embodiment.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the description of the present application, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 5, an embodiment of the present application provides a wall strength measuring device 100, in the embodiment, a car side wall of an elevator is taken as an example for measurement, but in other embodiments, other wall surfaces may be measured. In this embodiment, the device comprises a force applying mechanism 30, a force transmission assembly 10 and a force measuring device 20, wherein the force transmission assembly 10 comprises a first connecting rod 11 and a second connecting rod 12, and the force applying mechanism 30 is arranged between the first connecting rod 11 and the second connecting rod 12; the force application mechanism 30 comprises an adjusting rod 31, a sliding block 32 and a force arm component 33, the force arm component 33 comprises a first force arm 331 and a second force arm 332, one end of the first force arm 331 is rotatably connected with the sliding block 32, the other end of the first force arm 331 is rotatably connected with one end of the first connecting rod 11 far away from the wall surface 200, one end of the second force arm 332 is rotatably connected with the sliding block 32, and the other end of the second force arm 332 is rotatably connected with one end of the second connecting rod 12 far away from the wall surface 200; the sliding block 32 is arranged on the adjusting rod 31 and can move along the axial direction of the adjusting rod 31 so as to adjust the thrust force applied to the first connecting rod 11 and the second connecting rod 12 by the first force arm 331 and the second force arm 332; one end of the first connecting rod 11 abuts against one wall surface 200 of the car, and one end of the second connecting rod 12 abuts against the other wall surface 200, so that when the force application mechanism 30 applies thrust to the first connecting rod 11 and the second connecting rod 12, the first connecting rod 11 and the second connecting rod 12 transmit pressure to the wall surface 200, and further the strength of the wall surface 200 is tested; the force-measuring device 20 is used to measure the pressure exerted by the force-transmitting assembly 10 against the wall surface 200.
It can be understood that, the application simplifies the structure of the wall strength measuring device 100 by improving the force applying mechanism 30, so that the first force arm 331 and the second force arm 332 can be driven to push the force transmission assembly 10 to transmit force only by adjusting the position of the sliding block 32 on the adjusting rod 31, and pressure is applied to the wall 200 by the force transmission assembly 10, so that the wall 200 is elastically deformed, thereby achieving the purpose of measuring the strength of the wall 200.
Referring to fig. 2 to 5, the number of the moment arm assemblies 33 is two, and the moment arm assemblies 33 are symmetrically arranged on the adjusting rod 31; the end of the first link 11 away from the wall 200 is pivotally connected to the two first force arms 331, and the end of the second link 12 away from the wall 200 is pivotally connected to the two second force arms 332. In this way, the two sets of moment arm assemblies 33 jointly push the first connecting rod 11 and the second connecting rod 12, so that the forces on the first connecting rod 11 and the second connecting rod 12 are balanced, the two sets of moment arm assemblies 33 can apply a larger pressure to the first connecting rod 11 and the second connecting rod 12, and the strength requirements on the first moment arm 331 and the second moment arm 332 are lower, so as to prevent the first moment arm 331 and the second moment arm 332 from being deformed due to an excessively large pressure. Of course, in other embodiments, the number of sets of the force arm assemblies 33 is not limited, for example, four sets of force arm assemblies 33 may be provided, and it should be noted that each two sets of force arm assemblies 33 are symmetrically arranged to avoid imbalance of the pressures applied to the first connecting rod 11 and the second connecting rod 12.
In one embodiment, referring to fig. 2 and 3, the moment arm assembly 33 further includes a gear 333, the gear 333 is disposed at each end of the first force arm 331 and the second force arm 332 connected to the slider 32, the gear 333 is rotationally connected to the slider 32, and the two gears 333 are in meshing transmission with each other, so that the angles of rotation of the first force arm 331 and the second force arm 332 are always the same through the meshing transmission of the two gears 333, and thus the thrusts applied by the first force arm 331 and the second force arm 332 to the first connecting rod 11 and the second connecting rod 12 are the same, so that the pressures applied to the two-sided wall surface 200 to be tested are the same, which is beneficial to improving the accuracy of the strength test on the wall surface 200.
Specifically, please refer to fig. 2 and fig. 3, the force arm assembly 33 further includes a rotating shaft 334, the sliding block 32 is provided with a mounting groove, the rotating shaft 334 is disposed in the mounting groove, that is, two ends of the rotating shaft 334 are respectively fixedly connected to two side groove walls of the mounting groove, the gear 333 is sleeved on the rotating shaft 334 and can rotate relative to the rotating shaft 334, so that when the sliding block 32 moves relative to the adjusting rod 31, the sliding block 32 pushes the first force arm 331 and the second force arm 332 to move synchronously, so that the first force arm 331 and the second force arm 332 push the corresponding first connecting rod 11 and the corresponding second connecting rod 12 to apply a pushing force to the wall surface 200 synchronously. Of course, in other embodiments, the specific connection of the first force arm 331 and the second force arm 332 with the slide block 32 and the adjustment rod 31 is not limited to the above.
Referring to fig. 2 to 5, in one embodiment, the adjusting rod 31 is in threaded connection with the sliding block 32, wherein the adjusting rod 31 is a screw, the sliding block 32 is welded with a nut 36, the sliding block 32 and the nut 36 are sleeved on the screw, the nut 36 is in threaded fit with the adjusting rod 31, when the adjusting rod 31 rotates, the nut 36 moves relative to the adjusting rod 31, and thus the nut 36 drives the sliding block 32 to move relative to the adjusting rod 31. With the arrangement, the moment can be adjusted by the simple structure of the existing structure, such as the processing and assembling of the sliding block 32, the nut 36, the screw rod and the like, the processing steps are simple, and the processing cost is effectively reduced. Of course, in other embodiments, the manner of moving the sliding block 32 and the adjusting rod 31 relative to each other is not limited to the above, for example, a through hole may be formed in the sliding block 32, and a thread may be formed on a hole wall, and for example, a screw rod transmission module may be used to move the sliding block 32.
With reference to fig. 2 to 5, the adjusting rod 31 is rotated to enable the nut 36 to drive the sliding block 32 to move along the axial direction of the adjusting rod 31, when the sliding block 32 moves towards the middle of the adjusting rod 31, the first force arm 331 and the second force arm 332 respectively apply thrust to the first connecting rod 11 and the second connecting rod 12 to realize static loading, and when the sliding block 32 moves towards the end of the adjusting rod 31, an included angle between the first force arm 331 and the second force arm 332 is reduced, so that the thrust applied to the first connecting rod 11 and the second connecting rod 12 is gradually reduced to realize static unloading. It should be noted that, as shown in fig. 5, when the two sets of arm assemblies 33 move on the adjusting rod 31 through the sliders 32, and the rotating adjusting rod 31 performs static loading, the two sliders 32 on the adjusting rod 31 move close to each other at the same time, and as shown in fig. 4, when the rotating adjusting rod 31 performs static unloading, the two sliders 32 on the adjusting rod 31 move back to each other at the same time.
Referring to fig. 2, the force arm assembly 33 further includes a handle 34, the handle 34 is connected to the adjusting lever 31 for driving the adjusting lever 31 to rotate, so as to increase the moment of force application, and the user can greatly increase the torque applied to the adjusting lever 31 with only a very small force, so that the adjusting lever 31 can be rapidly rotated to perform static loading or unloading, thereby improving the adjusting efficiency.
In one embodiment, the first link 11 and the second link 12 are provided as telescopic rods. The lengths of the first link 11 and the second link 12 can be adjusted according to the size of the car, so that the measuring device 100 is suitable for cars of different sizes.
Referring specifically to fig. 5 and 6, the force transfer assembly 10 further includes a connector 13; first connecting rod 11 and second connecting rod 12 all include and are responsible for 14 and extension 15, are responsible for and have seted up a plurality of first through-holes 141 along its axial distribution on 14, have seted up a plurality of second through-holes 151 along its axial distribution on the extension 15, and extension 15 can stretch into in being responsible for 14. When the length of adjusting the connecting rod, adjust the length that extension section 15 stretches into in being responsible for 14 to make first through-hole 141 and second through-hole 151 align, run through first through-hole 141 and second through-hole 151 with the fixed being responsible for 14 of connection and extension section 15 with connecting piece 13, realize the flexible regulation of connecting rod length.
Referring to fig. 1 and 2, the wall strength measuring apparatus 100 further includes a pressure head 35, the pressure head 35 is disposed at one end of each of the first connecting rod 11 and the second connecting rod 12, which abuts against the wall 200, the pressure head 35 has a fitting plane, the fitting plane can be fitted to the wall 200, the pressure head 35 is disposed to increase an area of contact and fitting with the wall 200, and the local pressure caused by too small contact area of the connecting rods to the wall 200 is prevented from being too large during loading.
In one embodiment, the pressing head 35 is detachably connected to the first connecting rod 11 and the second connecting rod 12, so that the pressing head 35 with different specifications can be conveniently replaced according to different loading areas of the wall surface 200.
In this embodiment, the pressure head 35 is connected with the first connecting rod 11 and the second connecting rod 12 by screw threads, so that the pressure head 35 is convenient to replace and disassemble, and the structure is simple and convenient to disassemble. Of course, in other embodiments, the manner of detachably connecting the pressing head 35 to the connecting rod is not limited to the above, and may be, for example, a snap-fit manner.
Referring to fig. 1, the wall strength measuring apparatus 100 further includes a deformation testing assembly including a bracket 41 and a displacement measurer 42. The displacement measuring device 42 is mounted on the bracket 41, and a probe of the displacement measuring device 42 is in close contact with the wall surface 200 to measure the amount of deformation of the wall surface 200 caused by the force. In this embodiment, a dial gauge is used as the displacement measuring device 42. Of course, other measuring devices, such as displacement sensors, can also be used.
In one embodiment the force measuring device 20 is a load cell, wherein the load cell is arranged between the wall and the force transmitting assembly 10, and the load cell is provided with a display screen 21 for displaying the value measured by the load cell.
Based on the specific structure of the wall surface strength measuring apparatus 100, the following describes the steps of measuring the strength of the wall surface 200:
s1: placing a bracket 41 between the two wall surfaces, placing the dial indicator on the bracket 41, adjusting the position of the dial indicator, abutting a probe of the dial indicator against the vicinity of a measurement point of the wall surface 200, and zeroing the numerical value of the dial indicator;
s2: the force application mechanism 30 and the force transmission assembly 10 are erected between two side wall surfaces 200 of the elevator car, and the lengths of the first connecting rod 11 and the second connecting rod 12 are correspondingly adjusted, so that the attaching plane of the pressure head 35 abuts against the wall surfaces 200 and is attached to the wall surfaces 200 right, and the wall surfaces 200 are not deformed;
s3: the handle 34 is rotated, so that the adjusting rod 31 rotates, the slider 32, the first force arm 331 and the second force arm 332 are driven to move, the first force arm 331 and the second force arm 332 correspondingly push the first connecting rod 11 and the second connecting rod 12 respectively, the first connecting rod 11 and the second connecting rod 12 load pressure on the corresponding wall surface 200, meanwhile, due to the action of the reaction force of the wall surface 200, the force measuring device 20 measures the magnitude of the reaction force, and when the magnitude of the force measured by the force measuring device 20 reaches an experimental requirement value, the handle 34 stops rotating, and static loading is completed;
s4: the wall surface 200 is deformed under the action of static force, so that a probe of the dial indicator abutting against the wall surface 200 extends forwards and is always kept in contact with the wall surface 200, and meanwhile, the numerical value of the dial indicator is changed, namely the elastic deformation value of the wall surface 200;
s5: the adjusting rod 31 is rotated reversely, so that the included angle between the first force arm 331 and the second force arm 332 is reduced, the first connecting rod 11 and the second connecting rod 12 move towards the force application mechanism 30 until the pressure head 35 is separated from the wall surface 200, and at this time, the static force loaded on the wall surface 200 becomes zero, and static force unloading is completed;
s6: the wall surface 200 can generate permanent deformation under the action of static force, so after the static force is unloaded, the wall surface 200 deforms and rebounds, and simultaneously, the value of the dial indicator changes, and the value displayed by the dial indicator is the permanent deformation value of the wall surface 200 at the moment.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several implementation modes of the present application, and the description thereof is specific and detailed, but not construed as limiting the scope of the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims (10)

1. A wall surface strength measuring apparatus for detecting the strength of a wall surface (200) having opposite surfaces, comprising:
a force transfer assembly (10) comprising a first link (11) and a second link (12); one end of the first connecting rod (11) and one end of the second connecting rod (12) are respectively abutted against the two wall surfaces (200);
a force-measuring device (20) for measuring the pressure to which said wall surface (200) is subjected;
a biasing mechanism (30) provided between the first link (11) and the second link (12); the force application mechanism (30) comprises an adjusting rod (31), a sliding block (32) and a force arm component (33), the force arm component (33) comprises a first force arm (331) and a second force arm (332), one end of the first force arm (331) is rotatably connected with the sliding block (32), and the other end of the first force arm is rotatably connected with one end, far away from the wall surface (200), of the first connecting rod (11); one end of the second force arm (332) is rotatably connected with the sliding block (32), the other end of the second force arm is rotatably connected with one end, far away from the wall surface (200), of the second connecting rod (12), and the sliding block (32) is arranged on the adjusting rod (31) and can move along the axial direction of the adjusting rod (31) so as to adjust the thrust applied to the first connecting rod (11) and the second connecting rod (12) by the first force arm (331) and the second force arm (332) correspondingly.
2. The wall surface strength measuring device according to claim 1, wherein the force arm assemblies (33) are arranged in two groups, and the force arm assemblies (33) are symmetrically arranged on the adjusting rod (31); wherein, one end of the first connecting rod (11) far away from the wall surface (200) is rotationally connected with the two first force arms (331), and one end of the second connecting rod (12) far away from the wall surface (200) is rotationally connected with the two second force arms (332).
3. The wall surface strength measuring device according to claim 2, wherein the force arm assembly (33) further comprises a gear (333), the gear (333) is disposed at each end of the first force arm (331) and the second force arm (332) connected to the slide block (32), the gear (333) is rotatably connected to the slide block (32), and the two gears (333) are in mesh transmission with each other.
4. The wall surface strength measuring device according to claim 3, wherein the force arm assembly (33) further comprises a rotating shaft (334), the slider (32) is provided with a mounting groove, the rotating shaft (334) is disposed in the mounting groove, and the gear (333) is sleeved on the rotating shaft (334) and can rotate relative to the rotating shaft (334).
5. The wall strength measuring device according to any of claims 1 to 4, wherein the adjusting rod (31) is in threaded connection with the slider (32).
6. The wall surface strength measuring device of claim 5, wherein the forcing mechanism (30) further comprises a handle (34), and the handle (34) is connected with the adjusting rod (31) and used for driving the adjusting rod (31) to rotate.
7. The wall surface strength measuring device according to claim 1, wherein the first link (11) and the second link (12) are telescopic links.
8. The wall strength measuring device of claim 7, wherein the force transfer assembly (10) further comprises a connector (13); first connecting rod (11) with second connecting rod (12) all are responsible for (14) and extension section (15), be responsible for and offer a plurality of first through-holes (141) of its axial distribution of edge on (14), offer a plurality of second through-holes (151) of its axial distribution of edge on extension section (15), extension section (15) can stretch into in being responsible for (14), connecting piece (13) run through first through-hole (141) with second through-hole (151) are in order to connect be responsible for (14) with extension section (15).
9. The wall strength measuring device of claim 1, wherein the force transfer assembly (10) further comprises a pressure head (35), wherein the first connecting rod (11) and the second connecting rod (12) are both arranged at one end abutting against the wall (200), and wherein the pressure head (35) has a contact surface which can contact the wall (200).
10. The wall surface strength measuring apparatus according to claim 1, further comprising a deformation measuring unit (40), the deformation measuring unit (40) including:
a holder (41);
and the displacement measuring device (42) is arranged on the bracket (41), and a probe of the displacement measuring device (42) is closely contacted with the wall surface (200) and is used for measuring the deformation quantity of the wall surface (200) which is deformed by stress.
CN202220502368.8U 2022-03-07 2022-03-07 Wall strength measuring device Active CN217586664U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115824786A (en) * 2023-02-16 2023-03-21 常州市安贞建设工程检测有限公司 Device and method for detecting structural strength of assembled wall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115824786A (en) * 2023-02-16 2023-03-21 常州市安贞建设工程检测有限公司 Device and method for detecting structural strength of assembled wall

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