Lateral force protection mechanism of force sensor
By introducing a floating joint and guide bearing into the loading test structure to withstand lateral forces, the tensile and compressive sensors and electric cylinders are protected, thus solving the damage problem caused by tilt loading and achieving increased durability and reduced cost of the device.
Patent Information
- Application Number
- CN202520184777.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-06
AI Technical Summary
In existing loading test structures, linear actuators and tensile/compressive sensors are easily damaged when subjected to tilting loads, resulting in shortened device lifespan and increased costs.
The lateral force protection mechanism, which consists of components such as floating joints, guide shafts, and linear bearings, protects the tension and compression sensors and electric cylinders from direct damage by applying lateral forces through the guide bearings.
This extends the service life of the tension/compression sensors and electric cylinders, and reduces testing costs.
Smart Images

Figure CN223678671U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sensor protection structure technical field, concretely is a force sensor lateral force protection mechanism. BACKGROUND
[0002] As Figure 1 The existing loading test structure includes a linear actuator, a flange mounted at an end of the linear actuator, the linear actuator is usually an electric cylinder, an output end of the electric cylinder is fixed with an adapter rod, a tension and compression force sensor is fixed on the adapter rod, a loading head is fixed on one side of the tension and compression force sensor through the adapter rod, and loading test is performed through the output of the electric cylinder, but when the loading surface is inclined, the stress is offset, which causes the linear actuator and the tension and compression force sensor to be damaged, affects the service life of the device, and the linear actuator and the tension and compression force sensor usually have a high value, which increases the use cost of the loading test.
[0003] Therefore, the utility model provides a force sensor lateral force protection mechanism. UTILITY MODEL CONTENTS
[0004] In view of the deficiencies in the prior art, the utility model aims to provide a force sensor lateral force protection mechanism to solve the problems in the background art, the utility model can protect the tension and compression force sensor, prevent the tension and compression force sensor and the electric cylinder from being damaged, prolong the service life of the tension and compression force sensor and the electric cylinder, and reduce the cost of the test.
[0005] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a force sensor lateral force protection mechanism, including the floating joint that is installed on the output end of the electric cylinder, the floating joint side is equipped with sensor push plate, sensor push plate side is equipped with tension and compression force sensor, tension and compression force sensor side is equipped with sensor flange, sensor flange is equipped with loading head, the electric cylinder is fixed with electric cylinder guide seat mounting plate, the both sides of tension and compression force sensor are equipped with guide shaft, and the guide shaft corresponds to sensor push plate, sensor flange and electric cylinder guide seat mounting plate.
[0006] Further, the first mounting flange is fixed between the electric cylinder guide seat mounting plate and the electric cylinder, and a plurality of supporting columns are fixed between the first mounting flange and the electric cylinder guide seat mounting plate.
[0007] Further, one end of the floating joint is equipped with a second mounting flange, and the second mounting flange is fixedly connected with the sensor push plate.
[0008] Further, the third mounting flange is fixed on one side of the sensor flange, and a supporting rod is fixed between the third mounting flange and the loading head.
[0009] Further, two first linear bearings are arranged in the electric cylinder guide seat mounting plate, and the first linear bearings correspond to the guide shafts.
[0010] Further, the sensor push plate is internally provided with two guide shaft supports corresponding to the guide shafts.
[0011] Further, the sensor flange is internally provided with two second linear bearings corresponding to the guide shafts.
[0012] The utility model discloses a force sensor lateral force protection mechanism, containing electric cylinder, floating joint, tension and compression force sensor, guide shaft.
[0013] The floating joint is installed at the output end of the electric cylinder, and the guide shafts are installed on the two sides of the tension and compression force sensor, so that the tension and compression force sensor can be protected, if there is lateral force, the force can be borne by the guide shafts on the two sides, so that the lateral force does not directly act on the output end of the tension and compression force sensor and the electric cylinder, the tension and compression force sensor and the electric cylinder can be protected, the tension and compression force sensor and the electric cylinder are prevented from being damaged, the service life of the tension and compression force sensor and the electric cylinder is prolonged, and the cost of test is reduced. DRAWINGS
[0014] Figure 1 It is a schematic diagram of the existing loading test structure;
[0015] Figure 2 It is an assembly perspective schematic diagram of the utility model of a force sensor lateral force protection mechanism when retracting;
[0016] Figure 3 It is an assembly perspective schematic diagram of the utility model of a force sensor lateral force protection mechanism after extending;
[0017] Figure 4 It is an assembly structure schematic diagram of the guide shaft, the second linear bearing and the guide shaft support in the utility model of a force sensor lateral force protection mechanism;
[0018] In the drawing: 1, first mounting flange; 2, electric cylinder; 3, electric cylinder guide seat mounting plate; 4, tension and compression force sensor; 5, loading head; 6, floating joint; 7, sensor push plate; 8, first linear bearing; 9, second linear bearing; 10, guide shaft; 11, guide shaft support; 12, second mounting flange; 13, third mounting flange; 14, support column; 15, support rod; 16, sensor flange. CONCRETE IMPLEMENTING METHOD
[0019] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with the concrete implementing method.
[0020] Please refer to Figures 1 to 4The utility model provides a technical scheme: a force sensor lateral force protection mechanism, including the floating joint 6 of installing in the output end of electric jar 2, the sensor push plate 7 is installed to one side of floating joint 6, the tension and compression force sensor 4 is installed to one side of sensor push plate 7, the sensor flange 16 is installed to one side of tension and compression force sensor 4, the loading head 5 is installed to sensor flange 16, the electric jar guide seat mounting plate 3 is fixed to electric jar 2, the guide shaft 10 is installed to both sides of tension and compression force sensor 4, and the guide shaft 10 corresponds with sensor push plate 7, sensor flange 16 and electric jar guide seat mounting plate 3.
[0021] In the embodiment, the first mounting flange 1 is fixed to one side of the electric jar 2, and a plurality of support columns 14 are fixed between the first mounting flange 1 and the electric jar guide seat mounting plate 3.
[0022] Specifically, the electric jar 2 is installed between the first mounting flange 1 and the electric jar guide seat mounting plate 3, and the electric jar 2 can be fixed at the required position through the first mounting flange 1, thereby facilitating the loading test.
[0023] One end of the floating joint 6 is provided with a second mounting flange 12, and the second mounting flange 12 is fixedly connected with the sensor push plate 7.
[0024] Specifically, the floating joint 6 can absorb the eccentricity and angle between the output end of the electric jar 2 and the loading head 5, thereby reducing the relative accuracy between the electric jar 2 and the loading head 5, and protecting the electric jar 2.
[0025] The third mounting flange 13 is fixed to one side of the sensor flange 16, the support rod 15 is fixed between the third mounting flange 13 and the loading head 5, two first linear bearings 8 are installed in the electric jar guide seat mounting plate 3, the first linear bearings 8 correspond to the guide shaft 10, two guide shaft supports 11 are installed in the sensor push plate 7, the guide shaft supports 11 correspond to the guide shaft 10, two second linear bearings 9 are installed in the sensor flange 16, the second linear bearings 9 are embedded linear bearings, and the second linear bearings 9 correspond to the guide shaft 10.
[0026] Specifically, the loading head 5 can be moved by the output end of the electric jar 2, at this time, the guide shaft 10 can be moved together, when the loading surface is inclined, the guide shaft 10 can be stressed at this time, thereby preventing the inclined force from directly acting on the output shaft of the electric jar 2, and protecting the electric jar 2 and the tension and compression force sensor 4.
[0027] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.
Claims
1. A force sensor side force protection mechanism comprising a floating joint (6) fitted to the output end of an electric cylinder (2), characterized in that, The floating joint (6) is provided with a sensor push plate (7) on one side, the sensor push plate (7) is provided with a tensile and compressive force sensor (4) on one side, the tensile and compressive force sensor (4) is provided with a sensor flange (16) on one side, the sensor flange (16) is provided with a loading head (5), the electric cylinder (2) is fixed with an electric cylinder guide seat mounting plate (3), the tensile and compressive force sensor (4) is provided with a guide shaft (10) on both sides, and the guide shaft (10) corresponds to the sensor push plate (7), the sensor flange (16) and the electric cylinder guide seat mounting plate (3).
2. A force sensor side force protection mechanism according to claim 1, characterized in that: The electric cylinder (2) is fixed with a first mounting flange (1) on one side, a plurality of supporting columns (14) are fixed between the first mounting flange (1) and the electric cylinder guide seat mounting plate (3).
3. A force sensor side force protection mechanism according to claim 1, characterized in that: One end of the floating joint (6) is provided with a second mounting flange (12), and the second mounting flange (12) is fixedly connected with the sensor push plate (7).
4. The force sensor side force protection mechanism of claim 1, wherein: The sensor flange (16) is fixed with a third mounting flange (13) on one side, and a supporting rod (15) is fixed between the third mounting flange (13) and the loading head (5).
5. A force sensor side force protection mechanism according to claim 1, characterized in that: The electric cylinder guide seat mounting plate (3) is provided with two first linear bearings (8) inside, and the first linear bearings (8) correspond to the guide shafts (10).
6. A force sensor side force protection mechanism according to claim 1, characterized in that: The sensor push plate (7) is provided with two guide shaft supports (11) inside, and the guide shaft supports (11) correspond to the guide shafts (10).
7. A force sensor side force protection mechanism according to claim 1, characterized in that: The sensor flange (16) is provided with two second linear bearings (9) inside, the second linear bearings (9) are embedded linear bearings, and the second linear bearings (9) correspond to the guide shafts (10).