CN216791596U - Rolling assembly and rolling durability test equipment with same - Google Patents
Rolling assembly and rolling durability test equipment with same Download PDFInfo
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- CN216791596U CN216791596U CN202121817151.8U CN202121817151U CN216791596U CN 216791596 U CN216791596 U CN 216791596U CN 202121817151 U CN202121817151 U CN 202121817151U CN 216791596 U CN216791596 U CN 216791596U
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- 238000005096 rolling process Methods 0.000 title claims abstract description 88
- 238000012360 testing method Methods 0.000 title claims abstract description 56
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 238000011156 evaluation Methods 0.000 claims abstract description 20
- 239000000725 suspension Substances 0.000 claims description 27
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 230000009471 action Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model relates to a rolling assembly and rolling durability testing equipment with the same, which are used for testing the durability of the elasticity of mattress pavement. Wherein, roll in the subassembly and include: the rolling cylinder is used for rolling on the surface of the mattress; the roller push rod is used for transmitting power to the rolling roller; the rolling endurance test apparatus includes: the device comprises a rolling component, a rack group, a power component, a vertical lifting component, a test result evaluation component and a control terminal. According to the utility model, the roller push rod and the roller press cylinder form a single-point T-shaped pushing mode, so that the detection action is closer to the standard requirement, and the accuracy of the detection data is improved; the whole detection step is controlled by adopting an automatic system, so that the operation procedure is simplified, the detection efficiency is improved, and the detection cost is reduced.
Description
Technical Field
The utility model relates to a device for testing the elasticity of a structural component, in particular to a device for testing the performance of a mattress.
Background
The new standard QB/T1952.2-2011 'soft furniture spring soft mattress' is implemented in 2012, 4 and 1, wherein the related mattress pavement durability test is completely different from the original standard technical method, and the detection equipment sold in the market at present does not meet the requirements of the new standard. New standards place higher demands on the calculation and measurement of mattress parameters. The existing similar detection device has the defects of low automation degree, inaccurate detection result, low working efficiency, complex operation and the like.
Through the search of the prior art, Chinese patent document numbers: CN202204658U, published: 2012-4-25 which recites a "mattress rolling endurance testing machine", the device includes a frame, a transmission device and a moving platform, a sliding guide rail is arranged in the frame, the moving platform is connected to the sliding guide rail through the transmission device, and a roller and a handwheel for controlling the roller to move up and down are arranged on the moving platform. However, the device has a complex structure, is inconvenient to install and test, has low test precision, and cannot accurately evaluate mattress products.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rolling component and rolling durability testing equipment with the same, which can enhance the detection accuracy, simplify the operation procedure, improve the working efficiency, reduce the operation difficulty and reduce the detection cost.
To achieve the above object, the present invention provides a rolling assembly for roll detection of a mattress, comprising:
the rolling cylinder is a cylinder with a hollow inner part and is used for rolling on the mattress;
and the roller push rod is connected with the rolling cylinder and used for transmitting power to the rolling cylinder.
Further, the roll-in drum includes:
the outer cylinder is a cylindrical shell, is hollow inside and is used for rolling the mattress through the rotation of the shell;
the inner shaft is a long cylinder, is arranged in the outer cylinder and is coaxial with the outer cylinder;
the balance weight is an annular balance weight block group, is fixed on the outer ring of the inner shaft and is used for balancing the rolling barrel;
the rolling barrel bearings are a pair of identical bearing assemblies, are fixedly arranged at two ends of the outer barrel and are coaxial with the outer barrel, the outer side of each bearing assembly is connected with the roller push rod, the inner side of each bearing assembly is connected with the inner shaft, and the outer barrel can freely rotate around the inner shaft after being installed;
and the lifting rings are two same annular bodies, are arranged at two end parts of the rolling barrel, are respectively connected with the two bearing assemblies and are used for being matched with a rope to lift the rolling barrel.
Further, the roller push rod includes:
the front ends of the two joint connecting rods are respectively connected with the two bearing assemblies of the rolling barrel bearing;
the parallel rods are perpendicular to the joint connecting rods, and two ends of each parallel rod are respectively connected and fixed with the rear ends of the rod bodies of the two joint connecting rods;
the push rod is perpendicular to the parallel rod and parallel to the joint connecting rod, the front end of the push rod is fixedly connected with the middle point of the rod body of the parallel rod, and the push rod and the parallel rod form a T-shaped structure;
and the push rod bearing can move in the vertical direction, and one end of the push rod bearing is connected with the rear end of the push rod, so that the push rod can freely move in the vertical direction.
The utility model also provides rolling endurance test equipment with the rolling assembly, which comprises: the device comprises a rolling component, a rack group, a power component, a vertical lifting component, a test result evaluation component and a control terminal;
wherein,
the frame set is used for accommodating and fixing the mattress and all components;
the rolling assembly is arranged on the mattress in the frame set and is used for performing rolling test on the mattress;
the power assembly is arranged in the rack set, is connected with the rolling assembly and is used for providing power for the rolling assembly;
the vertical lifting assembly is arranged in the rack set, is connected with the power assembly and is used for adjusting the height of the power assembly;
the test result evaluation assembly is arranged in the frame set and used for detecting the quality of the rolled mattress;
the control terminal is arranged outside the rack group, is electrically connected with the power assembly, the vertical lifting assembly and the test result evaluation assembly, and is used for controlling a test program and calculating a test result;
further, the rack set includes:
the sample rack is of a cuboid cage structure and comprises a sample rack base and a sample rack frame, the sample rack base is arranged on the ground, supporting legs with adjustable height are arranged on the bottom surface of the sample rack base, and the mattress is fixed on the sample rack base; the sample frame is a cage frame fixed on the sample frame base and used for fixing the test result evaluation assembly;
the power rack is of a cuboid cage type structure, is used for fixing the power assembly and the vertical lifting assembly, and comprises a power base and a power frame, wherein the power base is arranged on the ground, and supporting legs with adjustable heights are arranged on the bottom surface of the power base; the power frame is a cage frame fixed on the power base;
the sample rack is fixedly connected with the power rack.
Further, the power assembly includes:
the electric cylinder is used for converting and outputting electric energy into mechanical force which reciprocates back and forth in the horizontal direction;
and one end of the power connecting rod is connected with the electric cylinder, and the other end of the power connecting rod is connected with the push rod bearing and is used for transmitting the power of the electric cylinder to the rolling assembly.
Further, the vertical lift assembly includes:
the lifting motor is used for converting the electric energy into mechanical force for outputting the rotary motion in the horizontal direction;
the first screw rod is arranged perpendicular to the ground, continuous concave threads are embedded in the surface of the first screw rod, the bottom end of the first screw rod is fixedly connected with the power frame, the top end of the first screw rod is fixed with the lifting motor, and the first screw rod is driven by a rotating shaft of the lifting motor to synchronously rotate with the lifting motor;
the second screw rod is arranged perpendicular to the ground, continuous concave threads are embedded in the surface of the second screw rod, and the bottom end of the first screw rod is fixedly connected with the power rack and can freely rotate relative to the power rack;
the fixed cross rod is a horizontally placed cuboid, is sleeved on the first screw rod and the second screw rod, is provided with convex threads which are respectively matched with the concave threads of the first screw rod and the second screw rod on the inner wall, and is used for realizing height adjustment of the fixed cross rod through occlusion of the concave threads and the convex threads;
the fixed cross rod is fixedly connected with the electric cylinder and used for driving the power assembly to adjust the height.
Further, the test result evaluation component includes: the electromechanical module, the suspension longitudinal rod group and the suspension cross beam;
the suspension longitudinal rod group comprises two parallel longitudinal rods which are respectively fixed on the lower surface of the top of the sample frame along the long side direction of the mattress, and the distance between the two longitudinal rods is larger than or equal to the width of the mattress;
the suspension cross beam bridges the two longitudinal rods of the suspension longitudinal rod group, and the suspension cross beam can freely slide on the longitudinal rods of the suspension longitudinal rod group.
Further, the electromechanical module comprises: the device comprises a loading pad, a pressure sensor, a third screw rod, an auxiliary mounting plate, a sensor motor, a displacement sensor, a guide rail and a pressure sensor connecting block;
the sensor motor and the auxiliary mounting plate are arranged on the suspension cross beam and can freely slide on the suspension cross beam;
the third screw rod, the guide rail and the displacement sensor are arranged on the auxiliary mounting plate, and the displacement sensor is used for measuring the collapse degree of the mattress;
a rotating shaft of the sensor motor is connected with the third screw rod, a connecting block is arranged at the top of the guide rail, the connecting block is sleeved on the third screw rod to realize the connection of the guide rail and the third screw rod, and the third screw rod is driven by the sensor motor to horizontally rotate to drive the guide rail to vertically move;
the pressure sensor connecting block set up in on the guide rail, pressure sensor connecting block below has set gradually pressure sensor with the loading pad, pressure sensor with the loading pad is used for measuring the elasticity dynamics of mattress.
Further, the control terminal is arranged outside the rack set, is electrically connected with the electric cylinder, the lifting motor, the pressure sensor, the displacement sensor and the sensor motor respectively, and is used for controlling the actions of the power assembly and the test result evaluation assembly, acquiring and calculating sensor data of the test result evaluation assembly, and displaying a measurement result.
In summary, compared with the prior art, the rolling assembly and the rolling endurance test equipment with the same provided by the utility model have the following beneficial effects:
1. the detection accuracy is improved. A single-point T-shaped pushing mode is formed by the roller push rod and the roller, so that the detection action is closer to the standard requirement, and the accuracy of detection data is improved;
2. the detection efficiency is improved. The whole detection step is controlled by adopting an automatic system, so that the operation procedure is simplified, and the working efficiency is improved;
3. the detection cost is reduced. The method is simple to operate, high in intelligent degree, capable of reducing detection personnel, reducing detection cost and good in economic benefit.
Drawings
FIG. 1 is a schematic structural view of a roll assembly of the present invention;
FIG. 2 is a schematic structural view of a roll durability test apparatus according to the present invention;
fig. 3 is a schematic structural view of a test result evaluation device according to the present invention.
Detailed Description
The rolling assembly and the rolling endurance testing apparatus having the same according to the present invention will be described in further detail with reference to the accompanying drawings and embodiments. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are simplified in form and not to precise scale, and are only used for convenience and clarity to assist in describing the embodiments of the present invention, but not for limiting the conditions of the embodiments of the present invention, and therefore, the present invention is not limited by the technical spirit, and any structural modifications, changes in the proportional relationship, or adjustments in size, should fall within the scope of the technical content of the present invention without affecting the function and the achievable purpose of the present invention.
It should be noted that, in the present invention, the relational terms such as first and second, and the like are only used for distinguishing one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1 and 2, the present embodiment provides a rolling assembly 1, including:
a roller 11, which is a nearly cylindrical body with a hollow interior, for rolling over the mattress 2 to test the durability of the elasticity of the mattress pavement;
and the roller push rod 12 is connected with the rolling cylinder 11 and is used for transmitting power to the rolling cylinder 11 to drive the rolling cylinder 11 to roll back and forth in a reciprocating manner.
Wherein, the rolling cylinder 11 includes:
an outer cylinder 111, which is a shell with an outer part being a nearly cylindrical body, and is hollow inside and used for rolling and rolling the mattress 2;
an inner shaft 112, which is a long cylindrical structure, is arranged inside the outer cylinder 111 and is coaxial with the outer cylinder 111;
the counterweight 113 is an annular counterweight group and is fixed on the outer ring of the inner shaft 112 and used for increasing the weight of the rolling barrel 11 and improving the rolling force;
the roller bearings 114 are a pair of identical bearing assemblies, are arranged at two ends of the outer cylinder 111 and are coaxial with the outer cylinder 111, and each roller bearing 114 is respectively connected with one end of the roller push rod 12 and one end of the inner shaft 112; further, each rolling barrel bearing 114 is provided with a bearing inner core seat and a bearing base outside and a bearing inside, in this embodiment, a rolling bearing is adopted, the bearing inner core seat is fixed with an inner core of the bearing, and the bearing base is fixed with an outer ring of the bearing, so that the bearing inner core seat can rotate relative to the bearing base; the bearing base is embedded into the outer cylinder 111, the outer wall of the bearing base is connected with the inner wall of the outer cylinder 111, the circle center part of the bearing base is connected with the inner shaft 112, and the bearing inner core seat is connected with the roller push rod 12, so that the outer cylinder 111 can rotate relative to the roller push rod 12;
the hanging rings 115 are two identical annular bodies, are arranged at two ends of the outer cylinder 111, are respectively connected with the bearing inner core seats of the two bearing assemblies 114, and are used for connecting a lifting device when the mattress 2 is assembled and disassembled so as to lift the rolling cylinder 11.
The roller push rod 12 includes:
the joint connecting rods 121 are a pair of same rod bodies, and the front ends of the two joint connecting rods 121 are respectively connected with the two bearing inner core seats of the rolling cylinder 11;
the parallel rod 122 is a connecting rod perpendicular to the joint connecting rods 121, and two ends of the parallel rod are respectively connected with the rear end parts of the two joint connecting rods 121;
the push rod 123 is a connecting rod which is perpendicular to the parallel rod 122 and parallel to the joint connecting rod 121, the front end part of the push rod is connected with the middle position of the rod body of the parallel rod 122, and the push rod and the parallel rod 122 form a T shape;
the push rod bearing 124, which is a vertically movable bearing, has one end connected to the rear end of the push rod 123 for transmitting power to the roll assembly 1.
The rolling component 1 is a main component for detecting the durability of mattress pavement, and a single-point T-shaped pushing mode is formed by a roller push rod 12 and a rolling cylinder 11, the motion mode is that a power device pushes a push rod 123 through a push rod bearing 124, the push rod 123 pushes a parallel rod 122 at a single point, the rolling cylinder 11 is driven by a joint connecting rod 121 to horizontally roll back and forth, and the rolling cylinder 11 is repeatedly rolled on a mattress 2 for testing.
In addition, as shown in fig. 2 to 3, the present embodiment further provides a rolling durability testing apparatus having the rolling assembly 1, including: the device comprises a rolling assembly 1, a rack group, a power assembly, a vertical lifting assembly, a test result evaluation assembly 6 and a control terminal. Wherein,
frame group is used for connecting fixed test equipment and mattress 2, includes:
the sample rack 31 is a cuboid cage-type structure and comprises a sample rack base and a sample rack frame, wherein the sample rack base is arranged on the ground, the mattress 2 and the sample rack frame are arranged and fixed on the sample rack base, and supporting legs with adjustable heights are arranged on the bottom surface of the sample rack base; the sample frame is a frame structure arranged at the upper part of the sample frame base and used for fixing related test equipment;
the power frame 32 is a cuboid cage-type structure and comprises a power base and a power frame, the power base is arranged on the ground, and supporting legs with adjustable heights are arranged on the bottom surface of the power base; the power frame is a frame structure arranged at the upper part of the power base;
the sample rack 31 is fixedly connected with the power rack 32.
Before testing, the mattress lifting device is connected with the lifting rings 115 of the rolling assemblies 1, the rolling assemblies 1 are lifted upwards, then the mattress 2 is placed on a testing position of the sample frame base and fixed, and then the rolling assemblies 1 are dropped on the mattress to complete testing preparation.
The power assembly is used for providing power for the rolling assembly 1 and comprises:
the electric cylinder 41 is used for converting electric energy into mechanical energy, providing power for the power assembly and outputting mechanical force which reciprocates back and forth in the horizontal direction;
the power link 42 has one end connected to the electric cylinder 41 and one end connected to the push rod bearing 124, and is used for transmitting the power of the electric cylinder to the rolling assembly 1.
The vertical lifting assembly is used for adjusting the height of the power assembly and comprises:
a lifting motor 51 for converting electrical energy into mechanical energy, providing power to the vertical lifting assembly, and outputting mechanical force of rotational movement in the horizontal direction;
the first screw rod 52 is a cylindrical rod body vertical to the ground, continuous concave threads are embedded on the surface of the rod body, and the bottom end of the rod body is fixedly connected with the power rack 32 and can freely rotate relative to the power rack 32; the top end of the rod body is fixed with the lifting motor 51 and rotates synchronously with the rotating shaft of the lifting motor 51;
the second screw rod 53 is a cylindrical rod body vertical to the ground, the rod body is fixedly connected with the power rack 32, and continuous concave threads are embedded on the surface of the rod body and can freely rotate relative to the power rack 32;
the fixed cross bar 54 is a horizontally placed cuboid, is sleeved on the first screw rod 52 and the second screw rod 53, and is provided with convex threads which are respectively matched with the concave threads of the first screw rod 52 and the second screw rod 53 on the inner wall and are used for realizing height adjustment through meshing of the concave threads and the convex threads;
the fixed cross bar 54 is also fixedly connected with the electric cylinder 41 and used for driving the electric cylinder to adjust the height.
Before detection, the first screw rod 52 can be driven to rotate through rotation of the lifting motor 51, and the heights of the fixed cross rod 54 and the electric cylinder 41 fixed on the fixed cross rod 54 are adjusted through relative movement of the concave threads of the first screw rod 52 and the second screw rod 53 and the convex threads of the fixed cross rod 54, so that the power assembly and the rolling assembly 1 are kept on the same horizontal plane, and horizontal acting force is provided for the rolling assembly 1.
Further, the surface of the rod body of the second lead screw 53 can also be smooth and thread-free, the inner wall corresponding to the second lead screw 53 is sleeved with the fixed cross rod 54 and is also smooth and thread-free, and the second lead screw 53 is used for assisting the first lead screw 52 to position the fixed cross rod 54.
The test result evaluation assembly 6 is placed inside the sample rack 31 and used for detecting the elasticity change and the collapse degree of the rolled mattress, and comprises the following components: loading pad 61, pressure sensor 62, third lead screw 63, auxiliary mounting plate 64, sensor motor 65, displacement sensor 66, guide rail 67, pressure sensor connecting block 68, suspension vertical rod set 691 and suspension cross beam 692.
The suspension longitudinal rod group 691 comprises two longitudinal rods which are respectively fixed on the top rod body of the sample frame along the long side direction of the mattress 2, the width between the two longitudinal rods is consistent with or slightly wider than the width of the mattress, two ends of the suspension cross beam 692 are respectively connected with the two longitudinal rods of the suspension longitudinal rod group 691, and the suspension cross beam 692 can freely slide on the longitudinal rods along the suspension longitudinal rod group 691; the sensor motor 65 and the auxiliary mounting plate 64 are provided on the suspension cross member 692, and can freely slide on the suspension cross member 692;
the third screw 63, the guide rail 67 and the displacement sensor 66 are arranged on the auxiliary mounting plate 64, and the displacement sensor 66 is used for measuring the collapse degree of the mattress 2;
a rotating shaft of the sensor motor 65 is connected with the third screw rod 63, the guide rail 67 is arranged in parallel with the third screw rod 63, a connecting block is arranged at the top of the guide rail 67, the connecting block is sleeved on the third screw rod 63, so that the guide rail 67 is connected with the third screw rod 63, the third screw rod 63 drives the guide rail 67 to move up and down in the vertical direction through horizontal rotation movement, and the sensor motor 65 can drive the third screw rod 63 to rotate when running after installation, so as to further drive the guide rail 67 to move up and down;
the pressure sensor connecting block 68 is arranged on the guide rail 67, the pressure sensor 62 and the loading pad 61 are sequentially arranged below the pressure sensor connecting block 68, and the pressure sensor 62 and the loading pad 61 are used for measuring the elastic force of the mattress 2.
In the detection, after the step of rolling the mattress is finished, the sensor motor 65 is electrified to drive the third screw rod 63 to rotate, the third screw rod 63 drives the guide rail 67 to move up and down, the action of pressing down the guide rail 67 can be realized, the elastic force of the mattress 2 is measured through the pressure sensor 62 and the loading pad 61 during pressing down, and the collapse degree of the mattress 2 is measured through the displacement sensor 66.
And the control terminal is arranged outside the rack set, is respectively and electrically connected with the electric cylinder 41, the lifting motor 51, the pressure sensor 62, the sensor motor 65 and the displacement sensor 66, and is used for controlling the actions of the power assembly and the test result evaluation assembly 6, acquiring and calculating sensor measurement data of the test result evaluation assembly 6 and displaying a measurement result.
In operation, can adjust power component's height through control terminal, can push down to mattress 2 and detect to gather the testing data, obtain the detection evaluation result after calculating.
In summary, compared with the prior art, the rolling assembly and the rolling endurance testing device with the same provided by the utility model have the advantages of enhancing the detection accuracy, simplifying the operation procedure, improving the working efficiency, reducing the operation difficulty, reducing the detection cost and the like.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the utility model. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the utility model should be determined from the following claims.
Claims (9)
1. A roll assembly for roll detection of a mattress, comprising: a roller pressing cylinder and a roller push rod; wherein,
the rolling cylinder is a cylinder with a hollow inner part and is used for rolling on the mattress; the roll-in drum includes:
the outer cylinder is a cylindrical shell, is hollow inside and is used for rolling the mattress through the rotation of the shell;
the inner shaft is a long cylinder, is arranged in the outer cylinder and is coaxial with the outer cylinder;
the balance weight is an annular balance weight block group, is fixed on the outer ring of the inner shaft and is used for balancing the rolling barrel;
the rolling barrel bearings are a pair of identical bearing assemblies, are fixedly arranged at two ends of the outer barrel and are coaxial with the outer barrel, the outer side of each bearing assembly is connected with the roller push rod, the inner side of each bearing assembly is connected with the inner shaft, and the outer barrel can freely rotate around the inner shaft after being installed;
the hoisting rings are two same annular bodies, are arranged at two ends of the rolling barrel, are respectively connected with the two bearing assemblies and are used for hoisting the rolling barrel in cooperation with a rope;
the roller push rod is connected with the rolling cylinder and used for transmitting power to the rolling cylinder.
2. The roller assembly of claim 1, wherein the roller pusher comprises:
the front ends of the two joint connecting rods are respectively connected with the two bearing assemblies of the rolling barrel bearing;
the parallel rods are perpendicular to the joint connecting rods, and two ends of each parallel rod are respectively connected and fixed with the rear ends of the rod bodies of the two joint connecting rods;
the push rod is perpendicular to the parallel rod and parallel to the joint connecting rod, the front end of the push rod is fixedly connected with the middle point of the rod body of the parallel rod, and the push rod and the parallel rod form a T-shaped structure;
and the push rod bearing can move in the vertical direction, and one end of the push rod bearing is connected with the rear end of the push rod, so that the push rod can move freely in the vertical direction.
3. A roll durability test apparatus comprising the roll assembly of any one of claims 1-2, and further comprising:
the frame group is used for accommodating and fixing the mattress and all components;
the rolling assembly is arranged on a mattress in the frame set and used for performing rolling test on the mattress;
the power assembly is arranged in the rack set, is connected with the rolling assembly and is used for providing power for the rolling assembly;
the vertical lifting assembly is arranged in the rack set, is connected with the power assembly and is used for adjusting the height of the power assembly;
the test result evaluation component is arranged in the frame set and used for detecting the quality of the rolled mattress;
and the control terminal is arranged outside the rack group, is electrically connected with the power assembly, the vertical lifting assembly and the test result evaluation assembly, and is used for controlling the test program and calculating the test result.
4. The rolling endurance testing apparatus of claim 3, wherein the chassis set includes:
the sample rack is of a cuboid cage structure and comprises a sample rack base and a sample rack frame, the sample rack base is arranged on the ground, supporting legs with adjustable height are arranged on the bottom surface of the sample rack base, and the mattress is fixed on the sample rack base; the sample frame is a cage frame fixed on the sample frame base and used for fixing the test result evaluation assembly;
the power rack is of a cuboid cage structure and used for fixing the power assembly and the vertical lifting assembly, and comprises a power base and a power frame, wherein the power base is arranged on the ground, and supporting legs with adjustable heights are arranged on the bottom surface; the power frame is a cage frame fixed on the power base;
the sample rack is fixedly connected with the power rack.
5. The roll durability test apparatus of claim 4, wherein the power assembly comprises:
the electric cylinder is used for converting and outputting electric energy into mechanical force which reciprocates back and forth in the horizontal direction;
and one end of the power connecting rod is connected with the electric cylinder, and the other end of the power connecting rod is connected with the rolling component and is used for transmitting the power of the electric cylinder to the rolling component.
6. The rolling endurance testing apparatus of claim 5, wherein the vertical lift assembly comprises:
the lifting motor is used for converting the electric energy into mechanical force for outputting the rotary motion in the horizontal direction;
the first screw rod is arranged perpendicular to the ground, continuous concave threads are embedded in the surface of the first screw rod, the bottom end of the first screw rod is fixedly connected with the power frame, the top end of the first screw rod is fixed with the lifting motor, and the first screw rod is driven by a rotating shaft of the lifting motor to synchronously rotate with the lifting motor;
the second screw rod is arranged perpendicular to the ground, continuous concave threads are embedded in the surface of the second screw rod, and the bottom end of the first screw rod is fixedly connected with the power rack and can freely rotate relative to the power rack;
the fixed cross rod is a horizontally placed cuboid, is sleeved on the first screw rod and the second screw rod, is provided with convex threads which are respectively matched with the concave threads of the first screw rod and the second screw rod on the inner wall, and is used for realizing height adjustment of the fixed cross rod through occlusion of the concave threads and the convex threads;
the fixed cross rod is fixedly connected with the electric cylinder and used for driving the power assembly to adjust the height.
7. The rolling durability test apparatus of claim 6, wherein the test result evaluation means comprises: the electromechanical module, the suspension longitudinal rod group and the suspension cross beam;
the suspension longitudinal rod group comprises two parallel longitudinal rods which are respectively fixed on the lower surface of the top of the sample frame along the long side direction of the mattress, and the distance between the two longitudinal rods is larger than or equal to the width of the mattress;
the suspension cross beam is bridged with the two longitudinal rods of the suspension longitudinal rod group, and the suspension cross beam can freely slide on the longitudinal rods of the suspension longitudinal rod group.
8. The roll durability test apparatus of claim 7, wherein the electromechanical module comprises: the device comprises a loading pad, a pressure sensor, a third screw rod, an auxiliary mounting plate, a sensor motor, a displacement sensor, a guide rail and a pressure sensor connecting block;
the sensor motor and the auxiliary mounting plate are arranged on the suspension cross beam and can freely slide on the suspension cross beam;
the third screw rod, the guide rail and the displacement sensor are arranged on the auxiliary mounting plate, and the displacement sensor is used for measuring the collapse degree of the mattress;
a rotating shaft of the sensor motor is connected with the third screw rod, a connecting block is arranged at the top of the guide rail, the connecting block is sleeved on the third screw rod to realize the connection of the guide rail and the third screw rod, and the third screw rod is driven by the sensor motor to horizontally rotate to drive the guide rail to vertically move;
the pressure sensor connecting block set up in on the guide rail, pressure sensor connecting block below has set gradually pressure sensor with the loading pad, pressure sensor with the loading pad is used for measuring the elasticity dynamics of mattress.
9. The rolling durability test apparatus according to claim 8, wherein the control terminal is disposed outside the frame assembly, and is electrically connected to the electric cylinder, the lifting motor, the pressure sensor, the displacement sensor, and the sensor motor, respectively, for controlling the operations of the power assembly and the test result evaluation assembly, collecting and calculating sensor data of the test result evaluation assembly, and displaying a measurement result.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121817151.8U CN216791596U (en) | 2021-08-05 | 2021-08-05 | Rolling assembly and rolling durability test equipment with same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121817151.8U CN216791596U (en) | 2021-08-05 | 2021-08-05 | Rolling assembly and rolling durability test equipment with same |
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| CN216791596U true CN216791596U (en) | 2022-06-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465907A (en) * | 2021-08-05 | 2021-10-01 | 上海市质量监督检验技术研究院 | Rolling assembly and rolling durability test equipment with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465907A (en) * | 2021-08-05 | 2021-10-01 | 上海市质量监督检验技术研究院 | Rolling assembly and rolling durability test equipment with same |
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