CN210719950U - Modulus formula telescoping device rubber sealing strip clamping performance detection device - Google Patents
Modulus formula telescoping device rubber sealing strip clamping performance detection device Download PDFInfo
- Publication number
- CN210719950U CN210719950U CN201921153720.6U CN201921153720U CN210719950U CN 210719950 U CN210719950 U CN 210719950U CN 201921153720 U CN201921153720 U CN 201921153720U CN 210719950 U CN210719950 U CN 210719950U
- Authority
- CN
- China
- Prior art keywords
- clamping
- rubber sealing
- clamping assembly
- bearing plate
- tension
- 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.)
- Active
Links
Images
Abstract
The utility model provides a clamping performance detection device for a rubber sealing belt of a modulus type expansion device, which comprises a base, a movable clamping component, a fixed clamping component, a guide rail, a tension and compression sensor and a sliding driving device; the tension and compression sensor is horizontally arranged between the right end of the fixed clamping assembly and the right end of the base; the axis of the tension and compression sensor is coincident with the symmetry axis of the clamped rubber sealing tape. The utility model provides a modulus formula telescoping device rubber sealing strip clamping performance detection device and method under the prerequisite that loading speed control accuracy meets the demands, can make the coincidence of the symmetry axis of the loading direction of power and rubber sealing strip to improve the accuracy and the reliability that rubber sealing strip clamping performance detected. Also has the advantages of flexible adjustment and convenient use.
Description
Technical Field
The utility model belongs to the technical field of clamping performance detection device, concretely relates to modulus formula telescoping device rubber sealing strip clamping performance detection device.
Background
The rubber sealing belt is an important component of the modulus type expansion device, and mainly provides a waterproof function for the bridge expansion device to prevent rainwater and snow water on a bridge deck from flowing into a bridge beam end through the expansion device. If the clamping performance of the rubber sealing belt is not satisfactory, the rubber sealing belt can fall off in the stretching process of the telescopic device, so that water seepage occurs at the beam end, the steel bars of the cover beam are corroded, and the durability and the safety of the bridge structure are affected. Therefore, in order to ensure that the modular expansion device has reliable waterproof performance, the clamping performance of the rubber sealing belt of the expansion device is detected before the modular expansion device is installed.
At present, the clamping performance of the rubber sealing belt of the telescopic device is generally detected by utilizing equipment such as a universal testing machine in China, and the coincidence of the load direction applied by the universal testing machine and the symmetry axis of the rubber sealing belt can not be ensured, so that the accuracy and the reliability of the detection of the clamping performance of the rubber sealing belt are reduced.
SUMMERY OF THE UTILITY MODEL
The defect to prior art existence, the utility model provides a modulus formula telescoping device rubber sealing strip clamping performance detection device can effectively solve above-mentioned problem.
The utility model adopts the technical scheme as follows:
the utility model provides a clamping performance detection device for a rubber sealing belt of a modulus type telescopic device, which comprises a base (100), a movable clamping component (200), a fixed clamping component (300), a guide rail (400), a tension and compression sensor (500) and a sliding driving device (600);
the guide rail (400) is arranged on the base (100); the movable clamping assembly (200) is slidably mounted along the guide rail (400), and the movable clamping assembly (200) is positioned on the left side; the stationary clamping assembly (300) is slidably mounted along the guide rail (400), and the stationary clamping assembly (300) is located on the right side; the clamping part of the movable clamping assembly (200) and the clamping part of the fixed clamping assembly (300) are arranged at the same height; the left end and the right end of the rubber sealing belt are respectively clamped by the clamping part of the movable clamping assembly (200) and the clamping part of the fixed clamping assembly (300);
the tension and compression sensor (500) is horizontally arranged between the right end of the fixed clamping component (300) and the right end of the base (100); the left end of the tension and compression sensor (500) is fixedly connected with the right end of the fixed clamping assembly (300), and the right end of the tension and compression sensor (500) is slidably connected with the right end of the base (100) through a sliding chute; the axis of the tension and compression sensor (500) is coincident with the symmetry axis of the clamped rubber sealing tape;
the sliding driving device (600) is linked with the movable clamping assembly (200) and is used for applying horizontal force moving leftwards to the movable clamping assembly (200).
Preferably, the movable clamping assembly (200) and the fixed clamping assembly (300) have the same structure and respectively comprise a support seat body (A1), a bearing plate (A2), a jacking device (A3) and a clamping part (A4);
the bottom end of the support base body (A1) is provided with a sliding groove matched with the guide rail (400); the sliding groove of the support seat body (A1) is sleeved outside the guide rail (400), so that the support seat body (A1) can slide along the guide rail (400);
the bearing plate (A2) is arranged above the support seat body (A1), two ends of the bearing plate (A2) are connected with the support seat body (A1) in a sliding mode, and when the bearing plate (A2) slides in place, the bearing plate (A1) is locked by a sliding positioning pin (A5);
jacking device (A3) set up in the below of loading board (A2), the expansion end of jacking device (A3) with the bottom fixed connection of loading board (A2), through jacking device (A3), to the power of height control direction is applyed to loading board (A2).
The clamping part (A4) is arranged on one side of the top end of the bearing plate (A2).
Preferably, the clamping portion (a4) is a screw clamping device.
Preferably, the clamping surface of the clamping part (A4) is provided with an anti-skid clamping block (A41).
Preferably, a circular bubble level (A6) is installed at the transverse center point of the bearing plate (A2).
Preferably, adjustable foundation bolts (A7) are respectively installed at four corners of the bottom of the support seat body (A1).
Preferably, the sliding driving device (600) adopts a screw nut transmission mechanism, and comprises a screw motor (601), a screw (602) and a nut (603);
the screw (602) is installed at the output end of the screw motor (601), the nut (603) is sleeved on the screw (602) in a rolling manner, and the rotary motion of the screw (602) is converted into the linear motion of the nut (603); the nut (603) is fixed with the bottom end of the movable clamping assembly (200).
The utility model provides a pair of modulus formula telescoping device rubber sealing strip clamping performance detection device has following advantage:
the utility model provides a modulus formula telescoping device rubber sealing strip clamping performance detection device and method under the prerequisite that loading speed control accuracy meets the demands, can make the coincidence of the symmetry axis of the loading direction of power and rubber sealing strip to improve the accuracy and the reliability that rubber sealing strip clamping performance detected. Also has the advantages of flexible adjustment and convenient use.
Drawings
Fig. 1 is a front view of a device for detecting the clamping performance of a rubber sealing strip of a modular expansion device provided by the present invention;
fig. 2 is the utility model provides a modulus formula telescoping device rubber sealing strip clamping performance detection device's top view.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model provides a modulus formula telescoping device rubber sealing strip clamping performance detection device under the prerequisite that loading rate control accuracy meets the demands, can make the coincidence of the symmetry axis of the loading direction of power and rubber sealing strip to improve accuracy and the reliability that rubber sealing strip clamping performance detected. Also has the advantages of flexible adjustment and convenient use.
Referring to fig. 1 and 2, the device for detecting the clamping performance of a rubber sealing belt of a modular expansion device comprises a base 100, a movable clamping assembly 200, a fixed clamping assembly 300, a guide rail 400, a tension/compression sensor 500 and a sliding driving device 600;
a guide rail 400 is installed on the base 100;
the movable clamp assembly 200 is slidably mounted along the rail 400, and the movable clamp assembly 200 is located on the left side;
the stationary clamping assembly 300 is slidably mounted along the guide rail 400, and the stationary clamping assembly 300 is located at the right side; the clamping part of the movable clamping assembly 200 and the clamping part of the fixed clamping assembly 300 are arranged at equal height; the left end and the right end of the rubber sealing belt are respectively clamped by the clamping part of the passive clamping assembly 200 and the clamping part of the fixed clamping assembly 300; specifically, the both sides deformed steel of rubber sealing area, the clamping part of passive centre gripping subassembly 200 respectively and the clamping part centre gripping of deciding clamping component 300, and, the utility model discloses a multiple measure, but the height of quick adjustment rubber sealing area both sides deformed steel makes the deformed steel die cavity be in on same horizontal plane, and the discrepancy in height is less than 1 mm. The specific height adjustment structure and manner will be described later.
In addition, in this application, the design is carried out the clamping part of clamping component, can all be applicable to the modulus formula telescoping device of different specification models. The specific structure of the holding portion will be described later.
The tension and compression sensor 500 is horizontally arranged between the right end of the fixed clamping component 300 and the right end of the base 100; the left end of the tension and compression sensor 500 is fixedly connected with the right end of the fixed clamping assembly 300, and the right end of the tension and compression sensor 500 is slidably connected with the right end of the base 100 through a sliding chute; the axis of the tension and compression sensor 500 is coincident with the symmetry axis of the clamped rubber sealing tape; by installing the tension/compression sensor 500, the magnitude of the force applied to the rubber seal tape can be detected in real time. After the rubber sealing tape is loaded to a specified horizontal force and load-holding time, whether the rubber sealing tape falls off or not and whether fine cracks occur or not are observed, and whether the clamping performance of the rubber sealing tape meets the requirement or not is judged. In addition, because the right ends of the tension and compression sensor 500 and the fixed clamping assembly 300 are fixed and are in sliding connection with the right end of the base 100 through the sliding groove, when the height of the fixed clamping assembly 300 is adjusted, the tension and compression sensor 500 can be vertically lifted along with the bearing plate of the fixed clamping assembly 300, and the coincidence of the symmetry axes of the tension and compression sensor 500 and the clamped rubber sealing belt is ensured.
The slide drive 600 is coupled to the movable clamp assembly 200 for applying a leftward moving horizontal force to the movable clamp assembly 200, and the rate and magnitude of horizontal force applied to the rubber sealing strip can be controlled by controlling the slide drive 600. In practical application, the slide driving device 600 adopts a screw-nut transmission mechanism, which comprises a screw motor 601, a screw 602 and a nut 603; a screw 602 is mounted at the output end of the screw motor 601, and the nut 603 is sleeved on the screw 602 in a rolling manner, so that the rotary motion of the screw 602 is converted into the linear motion of the nut 603; nut 603 is fixed to the bottom end of dynamic clamping assembly 200. With the screw nut transmission mechanism, as shown in the figure, the effect of applying horizontal force to the movable clamping assembly 200 can be accurately realized by setting the direction of the screw 602.
The following introduces the concrete structure of the utility model:
structure of clamping assembly
The movable clamping assembly 200 and the fixed clamping assembly 300 have the same structure and comprise a support seat body A1, a bearing plate A2, a jacking device A3 and a clamping part A4;
the bottom end of the support seat body A1 is provided with a chute matched with the guide rail 400; the sliding groove of the support seat body A1 is sleeved outside the guide rail 400, so that the support seat body A1 can slide along the guide rail 400; it should be emphasized that, in the present invention, the support base of the movable clamping assembly 200 and the fixed clamping assembly 300 is slidably sleeved outside the guide rail 400, and the fixed clamping assembly 300 is called the fixed clamping assembly 300 because the right end of the fixed clamping assembly 300 is connected to the right end of the base 100 through the tension/compression sensor 500, and therefore, when the fixed clamping assembly 300 is applied with a horizontal leftward pulling force, the fixed clamping assembly 300 is substantially fixed due to the restriction of the tension/compression sensor 500, and is called the fixed clamping assembly 300.
A bearing plate A2 is arranged above the support seat A1, two ends of the bearing plate A2 are connected with the support seat A1 in a sliding manner, and when the bearing plate A2 slides in place, the bearing plate A5 is locked;
jacking device A3 sets up in the below of loading board A2, and jacking device A3's expansion end and the bottom fixed connection of loading board A2, through jacking device A3, exert the power of height control direction to loading board A2.
Therefore, when the height of the carrier plate A2 needs to be adjusted, the sliding positioning pin A5 is firstly released, and the height of the carrier plate A2 is adjusted under the action of the jacking device A3. After the height of the bearing plate A2 is adjusted in place, the sliding positioning pin A5 is locked.
The jacking device A3 is mainly used for roughly adjusting the height of the bearing plate A2.
(II) clamping part
A clamping part A4 is arranged at one side of the top end of the bearing plate A2. The clamping portion a4 is used for clamping the deformed steel of the rubber seal tape.
In order to be suitable for clamping deformed steel of rubber sealing belts with different specifications and models, the clamping part A4 adopts a screw rod clamping device. The clamping surface of the clamping part A4 is provided with an anti-slip clamping block A41 which can be used for fixing the deformed steel of the modulus type expansion device with different specifications and models.
(III) Anchor bolt A7
Four corners of the bottom of the support seat body A1 are respectively provided with adjustable foundation bolts A7.
The anchor bolts a7 are used to finely adjust the height of the carrier plate a2 so that the axis of the tension/compression sensor 500 coincides with the axis of symmetry of the clamped rubber sealing strip.
In addition, the levelness can be adjusted through the foundation bolt A7, so that the special-shaped steel cavities of the expansion device are positioned on the same horizontal plane, and the height difference is smaller than 1mm, so that the requirement of detecting the clamping performance of the rubber sealing belt is met.
(IV) round bubble level gauge A6
A circular level a6 is mounted at the lateral center point of the carrier plate a 2. Through circular bubble spirit level A6, observe whether loading board A2 is in the horizontality, if not, then adjust each rag bolt A7, guarantee that loading board A2 is in the horizontality at the testing process.
Therefore, the utility model provides a modulus formula telescoping device rubber sealing strip clamping performance detection device has following characteristics:
1) a pair of screw rod clamping devices are respectively arranged on the bearing plates of the movable clamping assembly 200 and the fixed clamping assembly 300, and the screws move to drive the clamps to move so as to clamp the deformed steel of the expansion devices with different specifications and models, so that the deformed steel of the expansion devices is prevented from loosening in the detection process.
2) High-precision circular bubble levels are respectively installed at the transverse central points of the bearing plates of the movable clamping assembly 200 and the fixed clamping assembly 300, four adjustable foundation bolts are utilized, the special-shaped steel cavities are positioned on the same horizontal plane, and the height difference is smaller than 1 mm.
3) The bottom surfaces of the bearing plates of the movable clamping assembly 200 and the fixed clamping assembly 300 are respectively provided with a jacking device capable of adjusting the height of the bearing plate. The fixed clamping assembly 300 is kept stationary in the horizontal direction in the test process, the guide rail is arranged on the bottom surface of the movable clamping assembly 200 in the horizontal direction, and the guide rail is connected with the movable clamping assembly 200 through a sliding positioning pin. A tension and compression sensor which can be vertically lifted along with the bearing plate of the fixed clamping assembly 300 is arranged between the bearing plate of the fixed clamping assembly 300 and the wall surface, and the horizontal force measuring direction of the tension and compression sensor is coincident with the symmetry axis of the rubber sealing belt. And controlling the loading rate and the load duration of the tension and compression sensor by adjusting the controller.
The utility model also provides a detection method based on modulus formula telescoping device rubber sealing strip clamping performance detection device, including following step:
step 1, mounting a rubber sealing belt with performance to be detected on a clamping performance detection device, and clamping two ends of the rubber sealing belt by a clamping part of a passive clamping assembly 200 and a clamping part of a fixed clamping assembly 300 respectively;
step 2, adjusting the clamping performance detection device, wherein the adjusting method comprises the following steps:
1) respectively actuating the jacking devices of the movable clamping assembly 200 and the fixed clamping assembly 300, so as to roughly adjust the heights of the clamping parts of the movable clamping assembly 200 and the fixed clamping assembly 300, and the heights of the clamping parts of the movable clamping assembly 200 and the fixed clamping assembly 300 are basically equal;
2) then, the height of the anchor bolt a7 is adjusted, so that the heights of the clamping part of the movable clamping assembly 200 and the clamping part of the fixed clamping assembly 300 are finely adjusted, and on one hand, the heights of the clamping part of the movable clamping assembly 200 and the clamping part of the fixed clamping assembly 300 are equal; on the other hand, looking at the circular level bubble a6 of the movable clamp assembly 200 and the fixed clamp assembly 300, the top surfaces of the movable clamp assembly 200 and the fixed clamp assembly 300 are leveled;
3) when the height of the clamping part of the fixed clamping assembly 300 is adjusted, one end of the tension and compression sensor 500 is fixed with the right end of the fixed clamping assembly 300, so that the height of the tension and compression sensor 500 and the height of the clamping part of the fixed clamping assembly 300 are changed synchronously, and the axis of the tension and compression sensor 500 is always coincided with the symmetry axis of the clamped rubber sealing belt;
step 3, starting the sliding driving device 600, so that the sliding driving device 600 applies a horizontal force moving leftwards to the movable clamping assembly 200, thereby moving the movable clamping assembly 200 leftwards and simultaneously stretching the rubber sealing belt in the moving process;
in the process that the dynamic clamping assembly 200 stretches the rubber sealing strip to the left, the force applied to the rubber sealing strip by the dynamic clamping assembly 200 is transmitted to the tension and compression sensor 500 through the static clamping assembly 300, so that the tension and compression sensor 500 can detect the load force applied to the rubber sealing strip in real time;
whether the loading force detected by the tension-compression sensor 500 is separated from the rubber sealing tape or not and whether fine cracks occur or not are compared, and whether the clamping performance of the rubber sealing tape meets the requirement or not is detected.
The utility model provides a modulus formula telescoping device rubber sealing strip clamping performance detection device has following advantage:
(1) through the design of the arrangement positions of the movable clamping assembly, the fixed clamping assembly and the tension and compression sensor, the superposition of the axis of the tension and compression sensor 500 and the symmetry axis of the clamped rubber sealing strip is conveniently realized, and the function of accurately detecting the magnitude of the horizontal force applied to the rubber sealing strip by the tension and compression sensor is realized;
(2) through the lifting height design of the movable clamping assembly and the fixed clamping assembly, and the synchronous lifting of the tension and compression sensor and the fixed clamping assembly, the effect of coincidence of the axis of the tension and compression sensor 500 and the symmetry axis of the clamped rubber sealing strip can be quickly realized, and the accuracy and the reliability of the detection of the clamping performance of the rubber sealing strip are further improved.
(3) The device can be suitable for detecting the clamping performance of rubber sealing belts of modulus type expansion devices of different specification series.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.
Claims (7)
1. A modulus type expansion device rubber sealing belt clamping performance detection device is characterized by comprising a base (100), a movable clamping assembly (200), a fixed clamping assembly (300), a guide rail (400), a tension and compression sensor (500) and a sliding driving device (600);
the guide rail (400) is arranged on the base (100); the movable clamping assembly (200) is slidably mounted along the guide rail (400), and the movable clamping assembly (200) is positioned on the left side; the stationary clamping assembly (300) is slidably mounted along the guide rail (400), and the stationary clamping assembly (300) is located on the right side; the clamping part of the movable clamping assembly (200) and the clamping part of the fixed clamping assembly (300) are arranged at the same height; the left end and the right end of the rubber sealing belt are respectively clamped by the clamping part of the movable clamping assembly (200) and the clamping part of the fixed clamping assembly (300);
the tension and compression sensor (500) is horizontally arranged between the right end of the fixed clamping component (300) and the right end of the base (100); the left end of the tension and compression sensor (500) is fixedly connected with the right end of the fixed clamping assembly (300), and the right end of the tension and compression sensor (500) is slidably connected with the right end of the base (100) through a sliding chute; the axis of the tension and compression sensor (500) is coincident with the symmetry axis of the clamped rubber sealing tape;
the sliding driving device (600) is linked with the movable clamping assembly (200) and is used for applying horizontal force moving leftwards to the movable clamping assembly (200).
2. The device for testing the clamping performance of the rubber sealing band of the modular expansion device according to claim 1, wherein the movable clamping assembly (200) and the fixed clamping assembly (300) have the same structure, and each comprises a support seat body (A1), a bearing plate (A2), a jacking device (A3) and a clamping part (A4);
the bottom end of the support base body (A1) is provided with a sliding groove matched with the guide rail (400); the sliding groove of the support seat body (A1) is sleeved outside the guide rail (400), so that the support seat body (A1) can slide along the guide rail (400);
the bearing plate (A2) is arranged above the support seat body (A1), two ends of the bearing plate (A2) are connected with the support seat body (A1) in a sliding mode, and when the bearing plate (A2) slides in place, the bearing plate (A1) is locked by a sliding positioning pin (A5);
the jacking device (A3) is arranged below the bearing plate (A2), the movable end of the jacking device (A3) is fixedly connected with the bottom of the bearing plate (A2), and a force in the height adjusting direction is applied to the bearing plate (A2) through the jacking device (A3);
the clamping part (A4) is arranged on one side of the top end of the bearing plate (A2).
3. The modular expansion device rubber sealing strip clamping performance detection device according to claim 2, wherein the clamping portion (A4) is a lead screw clamping device.
4. The device for testing the clamping performance of a rubber sealing tape of a modular expansion and contraction device according to claim 3, wherein the clamping surface of the clamping part (A4) is provided with an anti-slip clamp block (A41).
5. The device for testing the clamping performance of rubber sealing tape of modular expansion device according to claim 2, wherein a circular bubble level gauge (A6) is installed at the transverse center point of said bearing plate (A2).
6. The device for testing the clamping performance of the rubber sealing strip of the modular expansion device according to claim 2, wherein four corners of the bottom of the support base body (A1) are respectively provided with adjustable anchor bolts (A7).
7. The device for detecting the clamping performance of the rubber sealing belt of the modular expansion device according to claim 1, wherein the sliding driving device (600) adopts a screw-nut transmission mechanism and comprises a screw motor (601), a screw (602) and a nut (603);
the screw (602) is installed at the output end of the screw motor (601), the nut (603) is sleeved on the screw (602) in a rolling manner, and the rotary motion of the screw (602) is converted into the linear motion of the nut (603); the nut (603) is fixed with the bottom end of the movable clamping assembly (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921153720.6U CN210719950U (en) | 2019-07-22 | 2019-07-22 | Modulus formula telescoping device rubber sealing strip clamping performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921153720.6U CN210719950U (en) | 2019-07-22 | 2019-07-22 | Modulus formula telescoping device rubber sealing strip clamping performance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210719950U true CN210719950U (en) | 2020-06-09 |
Family
ID=70928225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921153720.6U Active CN210719950U (en) | 2019-07-22 | 2019-07-22 | Modulus formula telescoping device rubber sealing strip clamping performance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210719950U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110389071A (en) * | 2019-07-22 | 2019-10-29 | 中路高科交通检测检验认证有限公司 | A kind of modular expansion device rubber seal tape gripping performance detection device and method |
-
2019
- 2019-07-22 CN CN201921153720.6U patent/CN210719950U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110389071A (en) * | 2019-07-22 | 2019-10-29 | 中路高科交通检测检验认证有限公司 | A kind of modular expansion device rubber seal tape gripping performance detection device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209446782U (en) | More surveys line it can carry out the detection trolleys of tunnel-liner non-destructive testings simultaneously | |
| CN110095216B (en) | Two-dimensional prestress applying device and working method thereof | |
| CN105865928A (en) | Three-directional rigidity experiment device of tires | |
| CN210890848U (en) | Tunnel detects auxiliary positioning device | |
| CN110389071A (en) | A kind of modular expansion device rubber seal tape gripping performance detection device and method | |
| CN210719950U (en) | Modulus formula telescoping device rubber sealing strip clamping performance detection device | |
| CN115980187A (en) | Concrete internal defect detection device and method | |
| CN219935211U (en) | Test bench for bridge expansion device | |
| CN115112484B (en) | Bridge jib tensile strength testing arrangement | |
| CN111487124A (en) | Device for detecting building bearing capacity | |
| CN216283228U (en) | Adjustable sheet metal amount of deflection detection device | |
| CN115962704A (en) | Device for efficiently measuring straightness of elevator guide rail and measuring method thereof | |
| CN214749431U (en) | High-accuracy mask tension testing device | |
| CN214584607U (en) | Measure anchor clamps support that panel atress warp | |
| CN214149150U (en) | Optical image measuring instrument | |
| CN114353861A (en) | Comprehensive detection device and method for states of suspension cable and cable clamp of suspension bridge | |
| CN210037448U (en) | Portable multifunctional elevator loading testing device | |
| CN201476970U (en) | Suspension-loading test platform | |
| CN219657120U (en) | Adjustable detects platform | |
| CN219038606U (en) | Automatic grabbing device for microcomputer-controlled electrohydraulic pressure testing machine | |
| CN219532737U (en) | Anti-dazzle board wind load anchor clamps and testing arrangement | |
| CN219348439U (en) | Automatic positioning rebound device for material test | |
| CN220398530U (en) | Positioning device | |
| CN215829499U (en) | Testing arrangement of foundation pile for building | |
| CN213422787U (en) | Clamping device for detecting clamping performance of bridge expansion device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |