CN215162389U - Limiting device, roller equipment and asphalt stirring equipment - Google Patents
Limiting device, roller equipment and asphalt stirring equipment Download PDFInfo
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- CN215162389U CN215162389U CN202120611976.8U CN202120611976U CN215162389U CN 215162389 U CN215162389 U CN 215162389U CN 202120611976 U CN202120611976 U CN 202120611976U CN 215162389 U CN215162389 U CN 215162389U
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Abstract
The utility model provides a stop device, cylinder equipment and pitch agitated vessel relates to technical field. Stop device, including spacing subassembly and strain inductor, strain inductor set up in on the spacing subassembly, the roller that spacing subassembly is suitable for restriction cylinder equipment is along axial displacement, strain inductor is suitable for the detection the stress and/or the deformation of spacing subassembly. The limiting device of the utility model can limit the axial displacement of the roller to a certain extent, and avoid the problems of reduced friction driving force, reduced roller rotation stability, reduced safety and the like caused by overlarge axial displacement amplitude of the roller; can also detect spacing subassembly stress and/or deformation, for judging that the cylinder provides reliable data support along axial displacement's distance to can improve the security of cylinder equipment to a certain extent, the reliability is high, and the practicality is strong.
Description
Technical Field
The utility model relates to a cylinder equipment technical field particularly, relates to a stop device, cylinder equipment and pitch agitated vessel.
Background
In cylinder equipment, the cylinder generally can set up two at least rolling rings along the axial, and two rolling rings all overlap and locate on the cylinder body, and the both sides of rolling the ring are provided with the riding wheel with rolling ring frictional contact, and drive arrangement such as motor reducer drive riding wheel rotates, and the riding wheel drives with friction drive's mode and rolls the ring rotation to drive the cylinder body and rotate the upset that realizes the inside material of cylinder.
At the rotation in-process of cylinder, the cylinder can produce along axial displacement, will influence the normal use of equipment, and especially the cylinder is when certain angle slope sets up, and its condition that produces axial displacement is more obvious, needs in time to adjust riding wheel and drive arrangement's axis direction when the cylinder is along axial deviation to a certain extent, otherwise can cause the damage of cylinder equipment. However, there is no effective measure to determine the degree of misalignment of the drum.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the problem of how to judge the off normal degree of cylinder in the correlation technique to a certain extent.
For at least one aspect at least in the part of solving above-mentioned problem, the utility model discloses the first aspect provides a stop device, including spacing subassembly and strain inductor, strain inductor set up in on the spacing subassembly, spacing subassembly is suitable for the cylinder along axial displacement of restriction cylinder equipment, strain inductor is suitable for the detection spacing subassembly stress and/or deformation.
Therefore, the limiting device can limit the axial displacement of the roller to a certain extent, and the problems of reduced friction driving force, reduced roller rotation stability, reduced safety and the like caused by overlarge axial movement amplitude of the roller are avoided; can also detect spacing subassembly stress and/or deformation, for judging that the cylinder provides reliable data support along axial displacement's distance to can improve the security of cylinder equipment to a certain extent, the reliability is high, and the practicality is strong.
Optionally, spacing subassembly includes spacing axle and spacing round, spacing round of cover is located spacing epaxial, the circumference lateral wall of spacing round be suitable for with the first face structure contact of cylinder, the axis direction of spacing axle with the axis direction of cylinder is and predetermines the contained angle setting, first face structure with the axis direction of cylinder is predetermine the contained angle setting.
From this, sliding friction when can contacting stop device and cylinder changes rolling friction into, can reduce frictional force, avoids stop device and the contact surface department wearing and tearing of cylinder contact too fast to and the detection data error scheduling problem of the strain sensor who produces from this, can improve stop device's life and reliability, and the practicality is strong.
Optionally, the spacing wheel includes spacing round main part, bearing and apron, be provided with the holding chamber in the spacing round main part, the outer lane of bearing inlays to be located the holding intracavity, the inner circle cover of bearing is located spacing epaxial, the circumference lateral wall of spacing round main part be suitable for with first face structure contact, the apron lid is located the opening part in holding chamber.
Therefore, the main body of the limiting wheel is rotatably connected with the limiting shaft through the bearing, the main body of the limiting wheel rotates more smoothly, and the resistance of the main body of the limiting wheel is smaller; and, the setting of apron for in external dust etc. are difficult for getting into the bearing, ensure that the bearing is in good operational environment, can improve the life of bearing to a certain extent, improve stop device's life.
Optionally, the limiting shaft comprises a first shaft section close to the axis of the drum and a second shaft section connected with the first shaft section, the first shaft section is connected with the limiting wheel, and the strain sensor is arranged on the second shaft section.
Therefore, the mounting position of the strain sensor is staggered with the position, used for being connected with the limiting wheel, on the limiting shaft, so that the reliability of the mounting structure of the limiting wheel is ensured, and the mutual interference between the mounting structure of the limiting wheel and the strain sensor is avoided; simultaneously, the second shaft section is kept away from the cylinder axis, and the deformation of second shaft section only produces according to the deformation of first shaft section, receives the possibility of other structural interference little, and for the deformation of first shaft section, the deformation fluctuation of second shaft section is less, and strain inductor's measured data's reliability is high, and the practicality is strong.
Optionally, a containing groove is formed in the circumferential side wall of the limiting shaft, and the strain sensor is fixed in the containing groove and fixedly connected with the limiting shaft.
From this, in the strain inductor is fixed in the storage tank, can realize the reliable installation of strain inductor to, can avoid external environment to the interference of strain inductor to a certain extent, ensure the reliability of strain inductor's detection data.
Optionally, the limiting device further comprises a warning device, the strain sensor is electrically connected with the warning device, and the warning device is suitable for acting according to the detection information of the strain sensor.
From this, this stop device's degree of automation is high, can make warning action (send warning information), and the staff of being convenient for in time discovers and handles unusually, and the practicality is strong.
A second aspect of the present invention provides a roller device, comprising a roller and the above-mentioned position-limiting device.
Therefore, the limiting device can limit the axial displacement of the roller to a certain extent, and the problems of reduced friction driving force, reduced roller rotation stability, reduced safety and the like caused by overlarge axial movement amplitude of the roller are avoided; can also detect spacing subassembly stress and/or deformation, provide reliable data for judging the distance of cylinder along axial displacement to can improve the security of cylinder equipment to a certain extent, the reliability is high, and the practicality is strong.
Optionally, the roller device further comprises a rack for mounting the roller, the limiting device further comprises a connecting seat, the connecting seat is located in the radial direction of the roller and located between the roller and the rack, the connecting seat is detachably connected with the rack, and one end, far away from the axis of the roller, of a limiting shaft of the limiting device is fixedly connected with the connecting seat.
Therefore, the limiting device is convenient to integrally install, replace and adjust in position, the limiting device is compact in overall structure after being installed on the rack, interference on other parts of the roller equipment is not prone to occurring, reliability is high, and practicability is high.
Optionally, the roller equipment comprises at least two limiting devices, the roller comprises a roller body and at least two rolling rings arranged on the circumference of the roller body, and the at least two rolling rings are distributed along the axial direction of the roller body; along the axial direction of the roller body, the two limiting devices are respectively positioned on two sides of one of the rolling rings.
Therefore, the mounting positions of the two limiting devices are both referred to by one rolling ring, the positioning structure is simple, the requirement of high position degree (parallel axial end faces) on the relative positions of the rolling rings is avoided, and the processing difficulty is reduced; and the mounting positions of the two limiting devices are adjacent, so that the structure is more compact, the reliability is high, and the practicability is high.
A third aspect of the present invention provides an asphalt mixing apparatus, comprising the above-mentioned position limiting device, and/or the above-mentioned roller apparatus. The asphalt mixing device has all the advantages of the limiting device and/or the advantages of the roller device, and detailed description is omitted here.
Drawings
Fig. 1 is a schematic structural view of a limiting device applied to a roller device according to an embodiment of the present invention;
fig. 2 is a partial enlarged view of the present invention at a in fig. 1;
fig. 3 is an explosion structure diagram of the limiting device in the embodiment of the present invention.
Description of reference numerals:
1-limiting shaft, 11-first shaft section, 12-second shaft section, 121-containing groove, 2-strain sensor, 3-limiting wheel, 31-limiting wheel main body, 311-containing cavity, 32-bearing, 33-cover plate, 34-limiting plate, 35-limiting ring, 4-connecting seat, 5-roller, 51-roller body, 52-rolling ring, 521-first surface structure, 6-frame, 7-riding wheel and 8-motor reducer.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, references to the terms "an embodiment," "one embodiment," "some embodiments," "exemplary" and "one embodiment," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or embodiment of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.
The terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating 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 drawings, the Z-axis represents the vertical, i.e., up-down, position, and the positive direction of the Z-axis (i.e., the arrow of the Z-axis points) represents up, and the negative direction of the Z-axis (i.e., the direction opposite to the positive direction of the Z-axis) represents down; it should also be noted that the foregoing Z-axis representation is meant only to facilitate the description of the invention and to simplify the description, and is not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be considered limiting of the invention. Specifically, the Z-axis direction may be understood to coincide with the axial direction of the stopper shaft 1.
As shown in fig. 1 to 3, the embodiment of the present invention provides a limiting device, which includes a limiting component and a strain sensor 2, wherein the strain sensor 2 is disposed on the limiting component, the limiting component is suitable for limiting the axial displacement of the roller 5 of the roller device, and the strain sensor 2 is suitable for detecting the stress and/or deformation of the limiting component.
Exemplarily, the limiting device comprises a digital display device (not shown in the figure) and a limiting shaft 1, the strain sensor 2 is arranged on the limiting shaft 1, when the roller 5 generates displacement along the axial direction and extrudes the limiting shaft 1, the strain sensor 2 detects stress and/or deformation of the limiting shaft 1, the digital display device displays detection data of the strain sensor, and numerical values of the strain sensor 2 can be recorded by workers and used for judging the displacement of the roller 5 along the axial direction and judging the compression force of the roller 5 on the limiting device.
It should be noted that the connection manner of the strain sensor 2 and the limiting assembly is not limited, and it is sufficient that it can detect the stress and/or deformation of the limiting assembly (e.g. the limiting shaft 1), for example, it can be fixedly connected with the limiting assembly (e.g. the limiting shaft 1) by gluing, fastening and clamping.
In addition, the contact part of the limiting component (such as the limiting shaft 1) and the roller 5 is not used as a limitation, and when the roller 5 moves towards one side close to the limiting component (such as the limiting shaft 1) along the axial direction, the limiting shaft 1 can limit the roller 5 to move continuously.
The limiting device has the advantages that the limiting device can limit the axial displacement of the roller 5 to a certain extent, and the problems of reduction of friction driving force, reduction of rotation stability of the roller 5, reduction of safety and the like caused by overlarge axial movement amplitude of the roller 5 are avoided; stress and/or deformation of a limiting component (such as the limiting shaft 1) can be detected, reliable data support is provided for judging the distance of the roller 5 moving along the axial direction, and therefore safety of roller equipment can be improved to a certain extent, reliability is high, and practicability is high.
As shown in fig. 1 and 2, the limiting assembly includes a limiting shaft 1 and a limiting wheel 3, the limiting wheel 3 is sleeved on the limiting shaft 1, a circumferential side wall of the limiting wheel 3 is suitable for contacting with the first surface structure 521 of the roller 5, an axial direction of the limiting shaft 1 and an axial direction of the roller 5 are arranged at a preset included angle, and the first surface structure 521 and the axial direction of the roller 5 are arranged at the preset included angle. That is, the first surface structure 521 includes a surface contacting with the roller 5, and the surface is disposed at the predetermined angle with respect to the axial direction of the roller 5.
It should be noted that the limiting wheel 3 may be rotatably connected to the limiting shaft 1 to realize rotation, or the limiting wheel 3 may have a rotation pair, which is not limited. Illustratively, the limiting wheel 3 is a bearing, an inner ring of the bearing is fixedly connected with the limiting shaft 1 through interference fit or the like, an outer ring of the bearing is in contact with the roller 5, and when the roller 5 rotates, the outer ring of the bearing also rotates to convert sliding friction into rolling friction.
It should be noted that the preset included angle is greater than 0 ° and less than or equal to 90 °, for example, the preset included angle is 45 ° -90 °, 60 ° -90 °, so that the limiting shaft 1 can limit the drum 5 axially. Exemplarily, the axis direction of the limiting shaft 1 and the axis direction of the roller 5 form an included angle of 90 degrees, when the roller 5 contacts with the limiting wheel 3 and rotates together, the limiting wheel 3 and the roller 5 are in line contact, and the point tangent direction of the contact position is the rotating direction, so that the stress is more stable and reliable. The first surface structure 521 may be an existing structure on the drum 5, or may be a newly added structure on the drum 5, which is not limited, and the content of the present invention will be described in this specification by taking the first surface structure 521 as an example of the end surface structure of the rolling ring 52 of the drum 5 along the axial direction of the drum 5.
The benefit that sets up like this lies in, sliding friction when can contacting stop device and cylinder 5 changes rolling friction into, can reduce frictional force, avoids stop device and the contact surface department wearing and tearing of cylinder 5 contact too fast to and the detection data error scheduling problem of the strain inductor 2 who produces from this, can improve stop device's life and reliability, and the practicality is strong.
As shown in fig. 2 and fig. 3, in the embodiment of the present invention, the limiting wheel 3 includes a limiting wheel main body 31 and a bearing 32, an accommodating cavity 311 is provided on the limiting wheel main body 31, an outer ring of the bearing 32 is embedded in the accommodating cavity 311, an inner ring of the bearing 32 is sleeved on the limiting shaft 1, and a circumferential side wall of the limiting wheel main body 31 is suitable for contacting with the first surface structure 521. Specifically, the inner ring of the bearing 32 is in interference fit with the limit shaft 1, and the outer ring of the bearing 32 is in interference fit with the accommodating cavity 311. Therefore, the rotation of the stopper wheel main body 31 is smoother.
As shown in fig. 3, in the present embodiment, the limiting wheel 3 further includes a cover plate 33, and the cover plate 33 is disposed at the opening of the accommodating cavity 311.
As shown in fig. 3, for example, openings are provided at both upper and lower ends of the accommodating cavity 311, the bearing 32 is adapted to be inserted into the accommodating cavity 311 from the opening at the upper end, the limiting shaft 1 is inserted into the accommodating cavity 311 from the opening at the lower end and connected with the bearing 32, and the cover plate 33 covers the opening at the upper end of the accommodating cavity 311.
As shown in fig. 3, in some embodiments, the receiving cavity 311 is configured as a stepped groove structure, and the bearing 32 is received at one end of the stepped groove structure near the lower part; the limiting plate 34 is fixedly connected with the axial end face of the limiting shaft 1, the limiting plate 34 is in contact with the end face of the inner ring of the bearing 32, and the upward displacement of the inner ring of the bearing 32 along the axial direction is limited; the retainer ring 35 is fixedly connected to an end surface of the stepped groove structure and contacts with an end surface of an outer ring of the bearing 32 to limit an upward displacement of the outer ring of the bearing 32 in the axial direction, and at this time, the retainer ring 35 may also be used as a washer sandwiched between the cover plate 33 and the end surface of the stepped groove structure, which will not be described in detail herein.
The arrangement has the advantages that the bearing 32 is used for realizing the rotary connection between the limiting wheel main body 31 and the limiting shaft 1, the rotation of the limiting wheel main body 31 is smoother, and the resistance is smaller; and, the setting of apron 33 for in the difficult entering bearing of external dust etc. ensures that the bearing is in good operational environment, can improve the life of bearing to a certain extent, improves stop device's life.
As shown in fig. 1 and fig. 2, in the above embodiment, the limiting device further includes a connecting seat 4, the connecting seat 4 is located in a radial direction of the drum 5 and located between the drum 5 and a frame 6 of the drum device, the connecting seat 4 is detachably connected to the frame 6, and one end of the limiting shaft 1, which is far away from an axis of the drum 5, is fixedly connected to the connecting seat 4.
Exemplarily, a plurality of waist-shaped holes are formed in the connecting seat 4, a threaded hole is formed in the rack 6, a screw penetrates through the waist-shaped holes to be in threaded connection with the threaded hole, and the length direction of the waist-shaped holes is consistent with the axial direction of the roller 5. The connecting seat 4 and the limiting shaft 1 may be integrally connected by welding or the like, or may be connected by threads, which is not limited.
The advantage that sets up like this lies in, the overall structure compact behind the stop device installation in frame 6, is difficult for causing the interference to other parts of cylinder equipment, and its reliability is high, and the practicality is strong for this stop device's integral erection, change and position adjustment.
As shown in fig. 3, the limiting shaft 1 includes a first shaft section 11 close to the axis of the drum 5 and a second shaft section 12 connected to the first shaft section 11, the first shaft section 11 is connected to the limiting wheel 3, and the strain sensor 2 is disposed on the second shaft section 12. The second shaft section 12 is, for example, fixedly connected to the connecting socket 4.
Here, although the case of the first shaft segment 11 and the second shaft segment 12 is described, the limiting shaft 1 is not limited to only the first shaft segment 11 and the second shaft segment 12, and may have shaft segments other than the first shaft segment 11 and the second shaft segment 12, for example, between the first shaft segment 11 and the second shaft segment 12, and an end of the second shaft segment 12 far from the first shaft segment 11 may be provided with other shaft segments, which will not be described in detail herein.
The arrangement has the advantages that the mounting position of the strain sensor 2 is staggered with the position, used for being connected with the limiting wheel 3, on the limiting shaft 1, so that the reliability of the mounting structure of the limiting wheel 3 is ensured, and the mutual interference between the mounting structure of the limiting wheel 3 and the strain sensor 2 is avoided; meanwhile, the second shaft section 12 is far away from the axis of the roller 5, the deformation of the second shaft section 12 is only generated according to the deformation of the first shaft section 11, the possibility of interference by other structures is low, the deformation fluctuation of the second shaft section 12 is small relative to the deformation of the first shaft section 11, the reliability of the measurement data of the strain sensor 2 is high, and the practicability is high.
As shown in fig. 3, in the present embodiment, the limiting shaft 1 is provided with a receiving groove 121, and the strain sensor 2 is fixed in the receiving groove 121.
It should be noted that the opening position of the accommodating groove 121 and the installation posture of the strain sensor 2 are determined according to actual detection requirements, and the accommodating groove 121 is exemplarily opened on the circumferential side wall of the second shaft section 12. The strain sensor 2 may be fixed in the accommodating groove 121 by a strong adhesive, or may be fixedly connected to the limiting shaft 1 by a fastening member such as a screw, and the fixing connection manner may be different according to the structure of the strain sensor 2, which will not be described in detail herein.
The advantage of setting up like this lies in, and strain inductor 2 holding can realize strain inductor 2's reliable installation in storage tank 121 to, can avoid external environment to strain inductor 2's interference to a certain extent, ensure strain inductor 2's detection data's reliability.
As shown in fig. 2 and 3, in the present embodiment, the strain sensor 2 is disposed on the side of the limiting shaft 1 that contacts the drum 5.
Illustratively, the limiting wheel 3 is in rolling contact with the end face structure of one of the rolling rings 52 of the roller 5, and the accommodating groove 121 is opened in the circumferential side wall of the second shaft section 12 and is close to one side of the end face structure of the rolling ring 52.
The benefit that sets up like this lies in, accords with 5 oppression of cylinder when this spacing axle 1 more, the deformation direction of spacing axle 1, and the detection data of strain inductor 2 is more reliable, and the practicality is strong.
The utility model discloses an in the embodiment, this stop device still includes warning device, and strain inductor 2 is connected with the warning device electricity, and warning device is suitable for according to strain inductor 2's detection information and action.
Illustratively, the warning device comprises at least one warning light, and/or at least one buzzer, and/or a display (displaying warning information). When the strain sensor 2 detects that the stress and/or deformation of the limiting shaft 1 reach a certain degree, the warning device acts to send a warning to a worker.
Illustratively, the warning is given out through the states of normal lighting, flickering and the like of one warning lamp, and the warning is given out through the on-off combination of at least two warning lamps. The buzzer can also give a warning by making a sudden and tense sound.
The benefit that sets up like this lies in, this stop device's degree of automation is high, can make warning action (send warning information), and the staff of being convenient for in time discovers and handles unusually, and the practicality is strong.
As shown in fig. 1, another embodiment of the present invention provides a roller device, which includes a roller 5 and the above-mentioned position limiting device.
The limiting device has the advantages that the limiting device can limit the axial displacement of the roller 5 to a certain extent, and the problems of reduction of friction driving force, reduction of rotation stability of the roller 5, reduction of safety and the like caused by overlarge axial movement amplitude of the roller 5 are avoided; can also detect spacing subassembly stress and/or deformation, provide reliable data for judging the distance of cylinder 5 along axial displacement to can improve the security of cylinder equipment to a certain extent, the reliability is high, and the practicality is strong.
As shown in fig. 1 and 2, in the present embodiment, the roller apparatus includes at least two limiting devices, the roller 5 includes a roller body 51 and at least two rolling rings 52 disposed on the circumference of the roller body 51, and the at least two rolling rings 52 are distributed along the axial direction of the roller body 51; along the axial direction of the roller body 51, two limiting devices are respectively positioned at two sides of one rolling ring 52.
Illustratively, the roller equipment further comprises a supporting roller 7 and a motor speed reducer 8 in driving connection with the supporting roller 7, wherein the supporting roller 7 and the motor speed reducer 8 are both arranged on the frame 6, and the motor speed reducer 8 drives the supporting roller 7 to rotate so as to frictionally drive the rolling ring 52 to rotate. Each rolling ring 52 is correspondingly provided with two riding wheels 7.
The arrangement has the advantages that the mounting positions of the two limiting devices are both referred to by one rolling ring 52, the positioning structure is simple, the requirement of high position degree (parallel axial end faces) on the relative positions of the rolling rings 52 is avoided, and the processing difficulty is reduced; and the mounting positions of the two limiting devices are adjacent, so that the structure is more compact, the reliability is high, and the practicability is high.
Another embodiment of the present invention provides an asphalt mixing apparatus, comprising the above-mentioned position limiting device, and/or the above-mentioned roller apparatus. The asphalt mixing device has all the advantages of the limiting device and/or the advantages of the roller device, and detailed description is omitted here.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.
Claims (10)
1. The limiting device is characterized by comprising a limiting assembly and a strain inductor (2), wherein the strain inductor (2) is arranged on the limiting assembly, the limiting assembly is suitable for limiting the axial displacement of a roller (5) of roller equipment, and the strain inductor (2) is suitable for detecting the stress and/or deformation of the limiting assembly.
2. The limiting device according to claim 1, wherein the limiting assembly comprises a limiting shaft (1) and a limiting wheel (3), the limiting wheel (3) is sleeved on the limiting shaft (1), the circumferential side wall of the limiting wheel (3) is suitable for being in contact with the first surface structure (521) of the roller (5), the axial direction of the limiting shaft (1) and the axial direction of the roller (5) are arranged at a preset included angle, and the first surface structure (521) and the axial direction of the roller (5) are arranged at the preset included angle.
3. The limiting device according to claim 2, wherein the limiting wheel (3) comprises a limiting wheel main body (31), a bearing (32) and a cover plate (33), an accommodating cavity (311) is formed in the limiting wheel main body (31), an outer ring of the bearing (32) is embedded in the accommodating cavity (311), an inner ring of the bearing (32) is sleeved on the limiting shaft (1), a circumferential side wall of the limiting wheel main body (31) is suitable for being in contact with the first surface structure (521), and the cover plate (33) covers an opening of the accommodating cavity (311).
4. Limiting device according to claim 2, characterized in that the limiting shaft (1) comprises a first shaft section (11) close to the axis of the drum (5) and a second shaft section (12) connected to the first shaft section (11), the first shaft section (11) being connected to the limiting wheel (3), the strain sensor (2) being arranged on the second shaft section (12).
5. The limiting device according to any one of claims 2 to 4, wherein a containing groove (121) is formed on the limiting shaft (1), and the strain sensor (2) is fixed in the containing groove (121).
6. A spacing device according to any of claims 1 to 4, characterized in that it further comprises a warning device, said strain gauge (2) being electrically connected to said warning device, said warning device being adapted to act upon the detection of said strain gauge (2).
7. A roller device, characterized in that it comprises a roller (5) and a stop device according to any one of claims 1 to 6.
8. The drum equipment as claimed in claim 7, characterized by further comprising a frame (6) for mounting the drum (5), wherein the limiting device further comprises a connecting seat (4), the connecting seat (4) is located in the radial direction of the drum (5) and between the drum (5) and the frame (6), the connecting seat (4) is detachably connected with the frame (6), and one end of the limiting shaft (1) of the limiting device, which is far away from the axis of the drum (5), is fixedly connected with the connecting seat (4).
9. The drum apparatus according to claim 7 or 8, characterized by comprising at least two limiting devices, wherein the drum (5) comprises a drum body (51) and at least two rolling rings (52) arranged in the circumferential direction of the drum body (51), and the at least two rolling rings (52) are distributed along the axial direction of the drum body (51); along the axial direction of the roller body (51), the two limiting devices are respectively positioned on two sides of one of the rolling rings (52).
10. An asphalt mixing apparatus, comprising a spacing device according to any one of claims 1 to 6, and/or comprising a roller apparatus according to any one of claims 7 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120611976.8U CN215162389U (en) | 2021-03-25 | 2021-03-25 | Limiting device, roller equipment and asphalt stirring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120611976.8U CN215162389U (en) | 2021-03-25 | 2021-03-25 | Limiting device, roller equipment and asphalt stirring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215162389U true CN215162389U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120611976.8U Active CN215162389U (en) | 2021-03-25 | 2021-03-25 | Limiting device, roller equipment and asphalt stirring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215162389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114955374A (en) * | 2022-06-30 | 2022-08-30 | 常德市三一机械有限公司 | Roller operation monitoring method and system, roller equipment and asphalt mixing plant |
-
2021
- 2021-03-25 CN CN202120611976.8U patent/CN215162389U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114955374A (en) * | 2022-06-30 | 2022-08-30 | 常德市三一机械有限公司 | Roller operation monitoring method and system, roller equipment and asphalt mixing plant |
| CN114955374B (en) * | 2022-06-30 | 2023-06-09 | 常德市三一机械有限公司 | Roller operation monitoring method, system, roller equipment and asphalt mixing plant |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220310 Address after: 415001 group 2, Chongde neighborhood committee, Deshan Town, Changde economic and Technological Development Zone, Hunan Province Patentee after: Changde 31 Machinery Co.,Ltd. Address before: 410100 31 industrial city, Changsha economic and Technological Development Zone, Hunan, Changsha Patentee before: Sany Automobile Manufacturing Co.,Ltd. |