CN210103121U - Cable roller fixing device - Google Patents
Cable roller fixing device Download PDFInfo
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- CN210103121U CN210103121U CN201920269281.9U CN201920269281U CN210103121U CN 210103121 U CN210103121 U CN 210103121U CN 201920269281 U CN201920269281 U CN 201920269281U CN 210103121 U CN210103121 U CN 210103121U
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Abstract
The utility model discloses a cable cylinder fixing device, include: a frame; the fixed bracket is fixedly arranged on the rack; the movable bracket is movably arranged on the rack and can move along a first direction relative to the fixed bracket; the driving device is arranged on the rack and used for driving the movable bracket to move along a first direction; a first clamper rotatably mounted on the fixed bracket; and a second gripper rotatably mounted on the moving bracket. The cable drum is adapted to be clamped between the first clamp and the second clamp. The cable drum fixing device also comprises a clamping force detection device for detecting whether the clamping force exerted on the cable drum reaches a preset value; when the detected clamping force reaches the predetermined value, the driving device stops driving the moving bracket. Therefore, the utility model discloses can guarantee to apply the clamping-force size on the cable cylinder suitable.
Description
Technical Field
The utility model relates to a cable cylinder fixing device.
Background
In the prior art, a cable transport apparatus typically comprises a cable drum and a clamping device for clamping the cable drum. The cable is coiled on the cable drum, and when the cable needs to be conveyed outwards, the clamping device can be driven by the motor to rotate so as to release the cable from the cable drum.
In the prior art, the clamping device typically includes a pair of clamping arms between which the cable drum is clamped. In practical application, the clamping force applied to the cable roller by the pair of clamping arms cannot be too large or too small, the cable roller is damaged by clamping due to too large clamping force, and the cable roller is easy to fall off due to too small clamping force. However, in the prior art, there is no clamping force control and feedback device, and the field operator can only manually check whether the pair of clamping arms are moved to the proper position, but the manual check is prone to error, which often causes the problems that the cable roller is damaged due to the excessive clamping force and falls off due to the insufficient clamping force.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to solve at least one of the above problems and drawbacks existing in the prior art.
According to another aspect of the utility model, a cable cylinder fixing device is provided, include: a frame; the fixed bracket is fixedly arranged on the rack; the movable bracket is movably arranged on the rack and can move along a first direction relative to the fixed bracket; the driving device is arranged on the rack and used for driving the movable bracket to move along a first direction; a first clamper rotatably mounted on the fixed bracket; and a second gripper rotatably mounted on the moving bracket. The cable drum is adapted to be clamped between the first clamp and the second clamp. The cable drum fixing device also comprises a clamping force detection device for detecting whether the clamping force exerted on the cable drum reaches a preset value; when the detected clamping force reaches the predetermined value, the driving device stops driving the moving bracket.
According to an exemplary embodiment of the present invention, the first holder comprises: a first mounting plate rotatably mounted on the fixed bracket and rotatable about an axis parallel to the first direction; a first ejector plate slidably mounted on the first mounting plate and movable in the first direction relative to the first mounting plate; and a first elastic member provided between the first pushing plate and the first mounting plate, the first elastic member being elastically deformed by being pressed when the cable drum is clamped, so that the first pushing plate moves in the first direction with respect to the first mounting plate.
According to another exemplary embodiment of the present invention, the second holder comprises: a second mounting plate rotatably mounted on the moving bracket to be rotatable about an axis parallel to the first direction; a second ejector plate slidably mounted on the second mounting plate and movable in the first direction relative to the second mounting plate; and a second elastic member disposed between the second pushing plate and the second mounting plate, the second elastic member being elastically deformed by being pressed when the cable drum is clamped, so that the second pushing plate moves in the first direction with respect to the second mounting plate.
According to another exemplary embodiment of the present invention, the clamping force detecting device comprises: a moving shaft connected to the second ejector, and movable in the first direction together with the second ejector; and a sensor installed on the moving bracket for detecting a position of the moving shaft, the moving shaft being moved to a trigger position when the clamping force applied to the cable drum reaches the predetermined value, the driving means stopping driving the moving bracket when the sensor detects that the moving shaft is moved to the trigger position.
According to another exemplary embodiment of the present invention, the sensor is a non-contact photoelectric switch or a contact micro-switch; the moving shaft triggers the sensor when the moving shaft is moved to the trigger position; when the sensor is triggered by the moving shaft, the driving device stops driving the moving bracket.
According to another exemplary embodiment of the present invention, the sensor is movably mounted on the moving bracket, so that the position of the sensor in the first direction can be adjusted to accommodate cable drums of different sizes.
According to another exemplary embodiment of the present invention, a tub shaft is provided on the second mounting plate, the tub shaft being rotatably mounted to the moving bracket, the moving shaft being received in the tub shaft; when the movable shaft is moved to the activated position, an end of the movable shaft protrudes from the barrel shaft and activates the sensor.
According to another exemplary embodiment of the present invention, a first pin extending in the first direction is formed on one of the first push plate and the first mounting plate, and a first insertion hole adapted to be slip-fitted with the first pin is formed on the other.
According to another exemplary embodiment of the present invention, the first elastic element is sleeved on the first plug pin, and both ends of the first elastic element respectively abut against the first pushing plate and the first mounting plate.
According to another exemplary embodiment of the present invention, a second pin extending in the first direction is formed on one of the second push plate and the second mounting plate, and a second insertion hole adapted to be slidably fitted with the second pin is formed on the other.
According to another exemplary embodiment of the present invention, the second elastic element is sleeved on the second plug pin, and both ends of the second elastic element respectively abut against the second pushing plate and the second mounting plate.
According to another exemplary embodiment of the present invention, a first conical ejector is provided on the first ejector plate, and a second conical ejector is provided on the second ejector plate; the first and second tapered ejector heads are adapted to be positioned into two ends of a central through-hole of the cable drum, respectively.
According to another exemplary embodiment of the present invention, the driving device comprises: a ball screw rotatably mounted on the frame and rotatable about an axis parallel to the first direction; the first driving motor is arranged on the fixed bracket and used for driving the ball screw to rotate; and a nut coupled to the moving bracket and engaged with the ball screw, the ball screw driving the nut to move in the first direction when the ball screw rotates, thereby driving the moving bracket to move in the first direction.
According to another exemplary embodiment of the present invention, the cable drum fixing device further comprises a second driving motor installed on the fixing bracket, the second driving motor being used for driving the first holder to rotate, thereby driving the cable drum clamped on the first holder and the first holder to rotate.
In the aforementioned various exemplary embodiments according to the present invention, it is possible to detect whether the clamping force applied to the cable drum reaches the predetermined value on line in real time by the clamping force detecting device provided on the cable drum fixing device. When the detected clamping force reaches a preset value, the driving device for driving the movable bracket (or called a movable clamping arm) to move is immediately stopped, so that the clamping force applied to the cable roller can be ensured to be proper.
Other objects and advantages of the present invention will become apparent from the following description of the invention, which is made with reference to the accompanying drawings, and can help to provide a thorough understanding of the present invention.
Drawings
Fig. 1 shows a schematic perspective view of a cable drum fixation device according to an exemplary embodiment of the present invention;
FIG. 2 shows an enlarged partial view of the cable drum securement device shown in FIG. 1;
FIG. 3 shows a perspective view of the moving carriage of the cable drum fixing device shown in FIG. 2 and a second gripper and a sensor mounted on the moving carriage;
FIG. 4 shows a schematic plan view of the mobile carriage, second gripper and sensor of FIG. 3, with the second gripper in a state in which it has not yet gripped the cable drum;
FIG. 5 shows a schematic plan view of the mobile carriage, second gripper and sensor of FIG. 3, with the second gripper in a state in which it has gripped the cable drum;
fig. 6 shows a schematic perspective view of a cable drum according to an exemplary embodiment of the present invention;
fig. 7 shows a schematic view of the cable drum shown in fig. 6 clamped between a first clamp and a second clamp.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the drawings is intended to explain the general inventive concept and should not be construed as limiting the invention.
Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.
According to the utility model discloses a general technical concept provides a cable cylinder fixing device, include: a frame; the fixed bracket is fixedly arranged on the rack; the movable bracket is movably arranged on the rack and can move along a first direction relative to the fixed bracket; the driving device is arranged on the rack and used for driving the movable bracket to move along a first direction; a first clamper rotatably mounted on the fixed bracket; and a second gripper rotatably mounted on the moving bracket. The cable drum is adapted to be clamped between the first clamp and the second clamp. The cable drum fixing device also comprises a clamping force detection device for detecting whether the clamping force exerted on the cable drum reaches a preset value; when the detected clamping force reaches the predetermined value, the driving device stops driving the moving bracket.
Fig. 1 shows a schematic perspective view of a cable drum fixation device according to an exemplary embodiment of the present invention; fig. 2 shows a partially enlarged schematic view of the cable drum fixing device shown in fig. 1.
As shown in fig. 1-2, in the illustrated embodiment, the cable drum fixing device mainly includes a frame 1, a fixing bracket (or called fixing clamp arm) 10, a moving bracket (or called moving clamp arm) 20, driving devices 11, 21, 30, a first clamp 100 and a second clamp 200.
As shown in fig. 1-2, in the illustrated embodiment, the stationary bracket 10 is fixedly mounted to the frame 1. The moving bracket 20 is movably mounted on the frame 1 to be movable in a first direction Y with respect to the fixed bracket 10. The driving means 11, 21, 30 are mounted on the frame 1 for driving the moving carriage 20 to move in the first direction Y. The first clamper 100 is rotatably mounted on the fixed bracket 10. The second clamper 200 is rotatably mounted on the moving bracket 20.
Fig. 6 shows a schematic perspective view of a cable drum according to an exemplary embodiment of the present invention; fig. 7 shows a schematic view of the cable drum shown in fig. 6 clamped between a first clamp and a second clamp.
As shown in fig. 1-2 and 6-7, in the illustrated embodiment, the cable drum 400 is adapted to be clamped between the first clamp 100 and the second clamp 200.
FIG. 3 shows a perspective view of the moving carriage of the cable drum fixing device shown in FIG. 2 and a second gripper and a sensor mounted on the moving carriage; FIG. 4 shows a schematic plan view of the mobile carriage, second gripper and sensor of FIG. 3, with the second gripper in a state in which it has not yet gripped the cable drum; fig. 5 shows a schematic plan view of the mobile carriage, the second gripper and the sensor shown in fig. 3, wherein the second gripper is in a state of having gripped the cable drum.
As shown in fig. 1-7, in the illustrated embodiment, the cable drum fixing device further comprises a clamping force detection device 212, 300. The clamping force detecting means 212, 300 are used to detect whether the clamping force of the first and second clampers 100, 200 exerted on the cable drum 400 reaches a predetermined value. When the detected clamping force reaches a predetermined value, the controller (not shown) immediately stops the driving means 11, 21, 30 to immediately stop driving the moving rack 20. In this way, it is possible to ensure that the clamping force applied to the cable drum 400 is of a suitable magnitude.
As shown in fig. 2, in the illustrated embodiment, the first gripper 100 basically includes a first mounting plate 120, a first ejector plate 110 and a first resilient member 130. The first mounting plate 120 is rotatably mounted on the fixed bracket 10 to be rotatable about an axis parallel to the first direction Y. The first push plate 110 is slidably mounted on the first mounting plate 120 and is movable in the first direction Y relative to the first mounting plate 120. The first elastic member 130 is disposed between the first ejector plate 110 and the first mounting plate 120.
As shown in fig. 2, in the illustrated embodiment, when clamping the cable drum 400, the first elastic member 130 is elastically deformed by the pressing of the first pushing plate 110, so that the first pushing plate 110 can move in the first direction Y with respect to the first mounting plate 120.
As shown in fig. 2 and 3, in the illustrated embodiment, the second holder 200 mainly includes: a second mounting plate 220, a second pusher plate 210, and a second resilient member 230. The second mounting plate 220 is rotatably mounted on the moving bracket 20 to be rotatable about an axis parallel to the first direction Y. The second push plate 210 is slidably mounted on the second mounting plate 220 and is movable in the first direction Y relative to the second mounting plate 220. The second elastic member 230 is disposed between the second ejector plate 210 and the second mounting plate 220.
As shown in fig. 2 and 3, in the illustrated embodiment, when the cable drum 400 is clamped, the second elastic member 230 is elastically deformed by the pressing force of the second pushing plate 210, so that the second pushing plate 210 moves in the first direction Y relative to the second mounting plate 220, and the gap g between the second pushing plate 210 and the second mounting plate 220 in the first direction Y is reduced (see fig. 4 and 5).
As shown in fig. 1 to 7, in the illustrated embodiment, the clamping force detecting device 212, 300 mainly includes: moving shaft 212 and sensor 300. The moving shaft 212 is coupled to the second push plate 210 to be movable in the first direction Y together with the second push plate 210. The sensor 300 is mounted on the moving bracket 20 for detecting the position of the moving shaft 212.
As shown in fig. 5, in the illustrated embodiment, the moving shaft 212 is moved to the activated position (the position shown in fig. 5) when the clamping force exerted on the cable drum 400 reaches a predetermined value. When the sensor 300 detects that the moving shaft 212 is moved to the trigger position, the driving device 11, 21, 30 stops driving the moving bracket 20.
As shown in fig. 4 and 5, in the illustrated embodiment, a cylindrical shaft 221 is provided on the second mounting plate 220, the cylindrical shaft 221 is rotatably mounted to the moving bracket 20, and the moving shaft 212 is accommodated in the cylindrical shaft 221.
As shown in fig. 4, in the illustrated embodiment, when the cable drum 400 is not yet gripped, the end 212a (see fig. 5) of the moving shaft 212 is located inside the tub shaft 221, not protruding from the tub shaft 221.
As shown in fig. 5, in the illustrated embodiment, when the moving shaft 212 is moved to the trigger position shown in fig. 5 during clamping of the cable drum 400, the end 212a of the moving shaft 212 protrudes from the barrel shaft 221 and triggers the sensor 300.
As shown in fig. 4 and 5, in the illustrated embodiment, the sensor 300 may be a non-contact photoelectric switch or a contact microswitch.
As shown in fig. 6 and 7, in the illustrated embodiment, if the diameter of the central through hole 410 of the cable drum 400 is changed, the triggering position of the moving shaft 212 is changed, and at this time, the positions of the elastic elements 130 and 230 and the sensor 300 can be changed to be adapted to the central through holes 410 with different diameters.
As shown in fig. 1 to 7, in the illustrated embodiment, the sensor 300 is movably mounted on the moving bracket 20 so that the position of the sensor 300 in the first direction Y can be adjusted to accommodate the central through-holes 410 of different diameters.
As shown in fig. 2 to 5, in the illustrated embodiment, a first latch (not shown) extending in the first direction Y is formed on one of the first push plate 110 and the first mounting plate 120, and a first insertion hole (not shown) adapted to slidably fit the first latch is formed on the other. Thus, the first push plate 110 and the first mounting plate 120 may be assembled together by the first pin and the first socket.
As shown in fig. 2 to 5, in the illustrated embodiment, the first elastic element 130 is sleeved on the first plug pin, and both ends of the first elastic element 130 respectively abut against the first pushing plate 110 and the first mounting plate 120.
As shown in fig. 2 to 5, in the illustrated embodiment, a second latch 213 extending in the first direction Y is formed on one of the second ejector plate 210 and the second mounting plate 220, and a second insertion hole adapted to slidably fit the second latch 213 is formed on the other. In this way, the second push plate 210 and the second mounting plate 220 may be assembled together by the second pin 213 and the second socket.
As shown in fig. 2 to 5, in the illustrated embodiment, the second elastic element 230 is sleeved on the second pin 213, and two ends of the second elastic element 230 respectively abut against the second pushing plate 210 and the second mounting plate 220.
As shown in fig. 2 to 7, in the illustrated embodiment, a first tapered ejector 111 is provided on the first ejector plate 110, and a second tapered ejector 211 is provided on the second ejector plate 210. The first and second tapered ejector heads 111, 211 are adapted to be positioned into the two ends of the central through hole 410 of the cable drum 400, respectively.
As shown in fig. 2 to 7, in the illustrated embodiment, the driving device 11, 21, 30 mainly includes: a ball screw 11, a first drive motor 30 and a threaded sleeve 21. The ball screw 11 is rotatably mounted on the frame 1 so as to be rotatable about an axis parallel to the first direction Y. The first driving motor 30 is mounted on the fixed bracket 10 for driving the ball screw 11 to rotate. The screw 21 is connected to the moving bracket 20 and engaged with the ball screw 11. When the ball screw 11 rotates, the ball screw 11 drives the screw housing 21 to move in the first direction Y, thereby driving the moving bracket 20 to move in the first direction Y.
As shown in fig. 1 and 2, in the illustrated embodiment, the cable drum fixing device further includes a second driving motor 40 mounted on the fixing bracket 10. The second driving motor 40 is used to drive the first gripper 100 to rotate, thereby driving the cable drum clamped on the first gripper 100 and the second gripper 200 to rotate.
It will be appreciated by those skilled in the art that the embodiments described above are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without conflict in structure or principle.
Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplify preferred embodiments of the present invention, and should not be construed as limiting the present invention.
Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.
It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude a plurality. Additionally, any element numbers of the claims should not be construed as limiting the scope of the invention.
Claims (14)
1. A cable drum securement device, comprising:
a frame (1);
a fixed bracket (10) fixedly mounted on the frame (1);
a mobile support (20) movably mounted on the frame (1) and movable in a first direction (Y) with respect to the fixed support (10);
the driving device (11, 21, 30) is arranged on the machine frame (1) and is used for driving the moving bracket (20) to move along a first direction (Y);
a first gripper (100) rotatably mounted on the fixed support (10); and
a second gripper (200) rotatably mounted on the mobile carriage (20),
a cable drum (400) adapted to be clamped between the first gripper (100) and the second gripper (200),
characterized in that, cable cylinder fixing device still includes:
a clamping force detection device (212, 300) for detecting whether a clamping force exerted on the cable drum (400) reaches a predetermined value,
when the detected clamping force reaches the predetermined value, the driving means (11, 21, 30) stops driving the moving bracket (20).
2. The cable drum fixation device according to claim 1, wherein the first gripper (100) comprises:
a first mounting plate (120) rotatably mounted on said fixed support (10) and rotatable about an axis parallel to said first direction (Y);
a first ejector plate (110) slidably mounted on said first mounting plate (120) and movable in said first direction (Y) with respect to said first mounting plate (120); and
a first elastic member (130) disposed between the first ejector plate (110) and the first mounting plate (120),
the first elastic member (130) is elastically deformed under pressure while clamping the cable drum (400), so that the first push plate (110) moves in the first direction (Y) with respect to the first mounting plate (120).
3. The cable drum fixation device according to claim 2, wherein the second clamp (200) comprises:
a second mounting plate (220) rotatably mounted on said mobile carriage (20) and rotatable about an axis parallel to said first direction (Y);
a second ejector plate (210) slidably mounted on said second mounting plate (220) and movable in said first direction (Y) with respect to said second mounting plate (220); and
a second elastic member (230) disposed between the second ejector plate (210) and the second mounting plate (220),
the second elastic member (230) is elastically deformed under pressure while clamping the cable drum (400), so that the second ejector plate (210) moves in the first direction (Y) relative to the second mounting plate (220).
4. The cable drum fixation device according to claim 3, wherein the clamping force detection device (212, 300) comprises:
a moving shaft (212) connected to the second ejector plate (210) and movable in the first direction (Y) together with the second ejector plate (210); and
a sensor (300) mounted on the moving bracket (20) for detecting a position of the moving shaft (212),
when the clamping force exerted on the cable drum (400) reaches the predetermined value, the moving shaft (212) is moved to a trigger position,
when the sensor (300) detects that the moving shaft (212) is moved to the trigger position, the driving means (11, 21, 30) stops driving the moving bracket (20).
5. The cable drum securement device of claim 4, wherein:
the sensor (300) is a non-contact photoelectric switch or a contact microswitch;
the moving shaft (212) triggers the sensor (300) when the moving shaft (212) is moved to the triggering position;
when the sensor (300) is triggered by the moving shaft (212), the driving means (11, 21, 30) stops driving the moving bracket (20).
6. The cable drum securement device of claim 5, wherein:
the sensor (300) is movably mounted on the moving bracket (20) so that the position of the sensor (300) in the first direction (Y) can be adjusted to accommodate different sizes of cable drums (400).
7. The cable drum securement device of claim 5, wherein:
a cylindrical shaft (221) is provided on the second mounting plate (220), the cylindrical shaft (221) is rotatably mounted to the moving bracket (20), and the moving shaft (212) is accommodated in the cylindrical shaft (221);
when the moving shaft (212) is moved to the trigger position, an end portion (212a) of the moving shaft (212) protrudes from the cylindrical shaft (221) and triggers the sensor (300).
8. The cable drum securement device of claim 2, wherein:
a first pin extending in the first direction (Y) is formed on one of the first push plate (110) and the first mounting plate (120), and a first insertion hole adapted to slidably fit the first pin is formed on the other.
9. The cable drum securement device of claim 8, wherein:
the first elastic element (130) is sleeved on the first plug pin, and two ends of the first elastic element (130) are respectively abutted against the first pushing plate (110) and the first mounting plate (120).
10. The cable drum securement device of claim 3, wherein:
a second latch (213) extending in the first direction (Y) is formed on one of the second ejector plate (210) and the second mounting plate (220), and a second insertion hole adapted to be slidably fitted with the second latch (213) is formed on the other.
11. The cable drum securement device of claim 10, wherein:
the second elastic element (230) is sleeved on the second bolt (213), and two ends of the second elastic element (230) respectively abut against the second pushing plate (210) and the second mounting plate (220).
12. The cable drum securement device of claim 3, wherein:
a first conical pushing head (111) is arranged on the first pushing plate (110), and a second conical pushing head (211) is arranged on the second pushing plate (210);
the first conical ejector head (111) and the second conical ejector head (211) are adapted to be positioned into two ends of a central through hole (410) of the cable drum (400), respectively.
13. The cable drum fixation device according to claim 1, characterized in that the drive device (11, 21, 30) comprises:
a ball screw (11) rotatably mounted on the frame (1) and rotatable about an axis parallel to the first direction (Y);
the first driving motor (30) is arranged on the fixed bracket (10) and is used for driving the ball screw (11) to rotate; and
a threaded sleeve (21) connected to the moving bracket (20) and engaged with the ball screw (11),
when the ball screw (11) rotates, the ball screw (11) drives the screw sleeve (21) to move along the first direction (Y), so that the moving bracket (20) is driven to move along the first direction (Y).
14. The cable drum securement device of claim 13, wherein:
the cable roller fixing device also comprises a second driving motor (40) installed on the fixing bracket (10), wherein the second driving motor (40) is used for driving the first clamp (100) to rotate so as to drive the cable roller clamped on the first clamp (100) and the second clamp (200) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920269281.9U CN210103121U (en) | 2019-03-04 | 2019-03-04 | Cable roller fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920269281.9U CN210103121U (en) | 2019-03-04 | 2019-03-04 | Cable roller fixing device |
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| CN210103121U true CN210103121U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920269281.9U Active CN210103121U (en) | 2019-03-04 | 2019-03-04 | Cable roller fixing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111646289A (en) * | 2019-03-04 | 2020-09-11 | 泰科电子(上海)有限公司 | Cable roller fixing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111646289A (en) * | 2019-03-04 | 2020-09-11 | 泰科电子(上海)有限公司 | Cable roller fixing device |
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