CN216403457U - Wire take-up device and grounding resistance testing device - Google Patents
Wire take-up device and grounding resistance testing device Download PDFInfo
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- CN216403457U CN216403457U CN202123270800.XU CN202123270800U CN216403457U CN 216403457 U CN216403457 U CN 216403457U CN 202123270800 U CN202123270800 U CN 202123270800U CN 216403457 U CN216403457 U CN 216403457U
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Abstract
The utility model discloses a take-up device and a grounding resistance testing device, comprising: a connecting plate; the wire winding roller is rotatably arranged on the connecting plate and used for winding a wire; the elastic device is connected between the connecting plate and the winding roller and elastically deforms when external force is applied to the winding roller to enable the winding roller to rotate towards the first direction so as to release the lead; when the external force applied to the winding roller is removed, the elastic device drives the winding roller to rotate towards the second direction so as to wind the wire; wherein the first direction and the second direction are opposite. When the pine line, can make the wire drive winding roller through the pulling wire and rotate towards first direction, realize the pine line purpose, at this in-process, the winding roller exerts extrusion force or tensile force to resilient means, makes resilient means take place elastic deformation. When the wire rolling, under the effect of the elastic restoring force of the elastic device self, the winding roller can be driven to rotate towards the second direction, the automatic wire rolling is realized, and the time and the labor are saved.
Description
Technical Field
The utility model relates to the technical field of electrical technological equipment, in particular to a take-up device. In addition, the utility model also relates to a grounding resistance testing device comprising the wire take-up device.
Background
In the fields of electrical safety inspection, as-built electrical inspection and the like, the operation of winding and unwinding a conducting wire is generally involved, for example, when a resistance tester is used for measuring the conductivity of an object, the conducting wire needs to be unwound so as to be connected with a resistor, so that the grounding resistance can be measured; after the measurement is accomplished, need carry out the rolling to the wire and deposit, among the prior art, mainly twine the wire through the manual work, come the rolling wire.
It can be seen that the wire is wound in a manual winding mode, so that the wire winding and arranging process needs to be carried out for a long time when the test is carried out every time, manpower resources are wasted, and labor and time are wasted.
In summary, how to provide a take-up device to reduce the waste of manpower, so that time and labor saving during take-up is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a wire rewinding device, which can prevent a wire from being manually rewound, reduce waste of human resources, and save time and labor for wire rewinding operation.
The utility model also aims to provide a grounding resistance testing device comprising the wire take-up device, which can realize automatic winding of a wire.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a take-up device, comprising:
a connecting plate;
the wire winding roller is rotatably arranged on the connecting plate and used for winding a wire;
the elastic device is connected between the connecting plate and the winding roller and elastically deforms when external force is applied to the winding roller to enable the winding roller to rotate towards a first direction so as to release the lead; when the external force applied to the winding roller is removed, the elastic device drives the winding roller to rotate towards a second direction so as to wind the lead; wherein the first direction and the second direction are opposite.
Preferably, the elastic means comprises:
a spring, one end of which is connected with the connecting plate;
the rack is connected with the other end of the spring;
and the gear is in meshed transmission with the rack and is connected with the winding roller.
Preferably, the rack device further comprises a limiting assembly for limiting the movement of the rack.
Preferably, the spacing assembly includes:
the limiting rod is connected with the connecting plate and is arranged in parallel to the rack;
and the limiting sleeve is in sliding sleeve connection with the limiting rod and is connected with the rack.
Preferably, the connecting plate is provided with a mounting plate, and one end of the spring, which is far away from the rack, and the limiting rod are respectively connected with the mounting plate.
Preferably, the winding roller is connected with a rotating shaft, and the rotating shaft is rotatably connected with the connecting plate through a bearing.
Preferably, the wire guiding device further comprises a positioning component for positioning the rotating shaft so as to fix the rotating shaft when the wire is released to the position.
Preferably, the positioning assembly comprises:
the connecting block is connected with the connecting plate;
the threaded rod is in threaded connection with the connecting block;
and the abutting block is arranged at the end part of the threaded rod and is used for abutting against the rotating shaft.
Preferably, a plurality of grooves are formed in a butting surface of the butting block, which is used for butting against the rotating shaft.
The utility model provides a ground resistance testing arrangement, includes resistance tester, still includes any one kind of above-mentioned take-up, take-up set firmly in resistance tester, resistance tester's wire is around locating take-up wire winding roller.
According to the take-up device, when the wire needs to be unwound, the wire can be pulled to drive the winding roller to rotate towards the first direction, so that the purpose of unwinding is achieved, and in the process, the winding roller applies extrusion force or stretching force to the elastic device to enable the elastic device to elastically deform. When needs carry out the rolling to the wire, only need loosen the wire, at this moment, under the elastic restoring force effect of resilient means self, can drive the winding roller and rotate towards the second direction, and then make the wire winding realize automatic rolling on the winding roller. Therefore, the wire winding device provided by the utility model has the advantages that the wire is not required to be wound manually, the waste of human resources is reduced, and the time and labor are saved during the wire winding work.
The grounding resistance testing device provided by the utility model comprises the wire take-up device and has the beneficial effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a take-up device according to an embodiment of the present invention;
FIG. 2 is a schematic view of the winding roller of FIG. 1 with the winding roller hidden;
fig. 3 is a right side view of fig. 1.
The reference numerals in fig. 1 to 3 are as follows:
the device comprises a connecting plate 1, a winding roller 2, a spring 3, a rack 4, a gear 5, a limiting rod 6, a limiting sleeve 7, a mounting plate 8, a rotating shaft 9, a connecting block 10, a threaded rod 11, a butting block 12 and a mounting hole 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the utility model is to provide a take-up device, which can avoid manually winding a wire, reduce the waste of human resources and save time and labor for take-up operation. The other core of the utility model is to provide the grounding resistance testing device comprising the wire take-up device, which can realize automatic take-up of the wire.
Referring to fig. 1 to fig. 3, fig. 1 is a schematic structural view of a wire take-up device according to an embodiment of the present invention; FIG. 2 is a schematic view of the winding roller of FIG. 1 with the winding roller hidden; fig. 3 is a right side view of fig. 1.
The utility model provides a take-up device, which comprises a connecting plate 1, a winding roller 2 and an elastic device, wherein the winding roller 2 is rotatably arranged on the connecting plate 1, the winding roller 2 is used for winding a lead, the elastic device is connected between the connecting plate 1 and the winding roller 2, and when external force is applied to the winding roller 2 to enable the winding roller to rotate towards a first direction so as to release the lead, the elastic device generates elastic deformation; when the external force applied to the winding roller 2 is removed, the elastic device drives the winding roller 2 to rotate towards the second direction so as to wind the lead; wherein the first direction and the second direction are opposite.
As the name implies, the elastic means has elasticity, and is elastically deformed when being pressed or stretched by an external force, and is restorable under its own elastic restoring force when the external force applied thereto is removed. Based on this, when needs are carried out the pine and are rolled up the wire, can make the wire drive winding roller 2 rotate towards first direction through the pulling wire, realize the pine line purpose, at this in-process, winding roller 2 exerts extrusion force or tensile force to resilient means, makes resilient means take place elastic deformation. When needs carry out the rolling to the wire, only need loosen the wire, at this moment, under the elastic restoring force effect of resilient means self, can drive winding roller 2 and rotate towards the second direction, and then make the wire winding realize automatic rolling on winding roller 2.
Therefore, the wire winding device provided by the utility model has the advantages that the wire is not required to be wound manually, the waste of human resources is reduced, and the time and labor are saved during the wire winding work.
It should be noted that the specific structure of the elastic device is not limited in this embodiment, and as a preferable solution, on the basis of the above embodiment, the elastic device includes a spring 3, a rack 4 and a gear 5, one end of the spring 3 is connected to the connecting plate 1, the other end of the spring 3 is connected to the rack 4, the rack 4 is in meshing transmission with the gear 5, and the gear 5 is connected to the winding roller 2. When the winding roller 2 rotates towards the first direction, the gear 5 is driven to rotate together, so that the gear 5 drives the rack 4 to move, the rack 4 pulls the spring 3, and the spring 3 is stretched to generate elastic deformation and has elastic restoring force; after removing the rotatory power towards the first direction that applies to winding roller 2, spring 3 is under its elasticity restoring force effect, and pulling rack 4 resets, makes rack 4 drive gear 5 and rotates towards opposite direction, and then makes gear 5 drive winding roller 2 and rotate towards the second direction, makes winding roller 2 twine the rolling to the wire.
Further, in order to ensure the correctness of the moving direction of the rack 4 and the smoothness of the movement thereof, on the basis of the above embodiment, a limiting component for limiting the movement of the rack 4 is further included. That is to say, the present embodiment limits the movement of the rack 4 by providing the limiting component to ensure the smoothness of the movement thereof, so that the rack 4 can be always engaged with the gear 5.
It should be noted that, in this embodiment, the specific structure of the limiting assembly is not limited, as long as the limiting function can be performed on the rack 4. For example, a groove may be formed in the connecting plate 1, a slide rail slidably engaged with the groove may be disposed on the rack 4, and the rack 4 may be limited by the sliding of the slide rail and the groove.
As a preferable scheme, on the basis of the above embodiment, the limiting component comprises a limiting rod 6 and a limiting sleeve 7, the limiting rod 6 is connected with the connecting plate 1, and the limiting rod 6 is arranged in parallel relative to the rack 4; the limiting sleeve 7 is in sliding sleeve connection with the limiting rod 6, and meanwhile, the limiting sleeve 7 is connected with the rack 4. When the rack 4 moves, the limiting sleeve 7 is driven to slide along the limiting rod 6, the limiting rod 6 has a limiting effect on the movement of the rack 4, the rack 4 is guaranteed to be always in a correct position, the movement direction of the rack is enabled to be correct, the rack moves stably, the rack can be always meshed with the gear 5, and the reliability of meshing transmission of the gear 5 and the rack 4 is guaranteed.
In addition, in view of convenience of arrangement, as a preferable mode, on the basis of the above embodiment, the connecting plate 1 is provided with the mounting plate 8, and one end of the spring 3 away from the rack 4 and the stopper rod 6 are respectively connected to the mounting plate 8. As shown in fig. 1 and 2, the mounting plate 8 is perpendicular to the connecting plate 1, and in this embodiment, the spring 3 and the limiting rod 6 are respectively and indirectly connected with the connecting plate 1 through the mounting plate 8, so that the connection is convenient.
In addition, in consideration of convenience in connection of the winding roller 2 and the connection plate 1, on the basis of the above-described embodiment, the winding roller 2 is connected with the rotation shaft 9, and the rotation shaft 9 is rotatably connected with the connection plate 1 through a bearing. That is to say, pivot 9 passes through bearing and connecting plate 1 rotatable coupling, and winding roller 2 is connected with pivot 9, locates connecting plate 1 indirectly through pivot 9, realizes the rotatable of winding roller 2, brings a great deal of facility for the connection of winding roller 2 and connecting plate 1.
In addition, when the wire is unwound to a required length, in order to fix the length of the wire, on the basis of the above-mentioned embodiment, a positioning assembly is further included for positioning the rotating shaft 9 so as to fix the rotating shaft 9 when the wire is unwound to a position. That is, in the present embodiment, by providing the positioning component, the positioning component is used to position the rotating shaft 9, and the rotating shaft 9 is fixed in position and cannot rotate, so that the wire is positioned at a required length.
It should be noted that, the specific structure of the positioning assembly is not limited in this embodiment, as long as it can perform a positioning function on the rotating shaft 9. Preferably, on the basis of the above embodiment, the positioning assembly includes a connecting block 10, a threaded rod 11 and an abutting block 12, the connecting block 10 is connected to the connecting plate 1, the threaded rod 11 penetrates through the connecting block 10 and is in threaded connection with the connecting block 10, the abutting block 12 is disposed at an end of the threaded rod 11, and the abutting portion is used for abutting against the rotating shaft 9. It can be understood that when the threaded rod 11 is screwed, the threaded rod 11 can move relative to the connecting block 10, and further can drive the abutting block 12 to approach or depart from the rotating shaft 9, when the abutting block 12 abuts against the rotating shaft 9, the rotating shaft 9 is fixed by means of friction force between the abutting block 12 and the rotating shaft 9, and the rotating shaft 9 is prevented from rotating; when the abutting block 12 is far away from the rotating shaft 9, the rotating shaft 9 is loosened, and the rotating shaft 9 can be avoided from rotating.
In order to provide sufficient friction between the abutment block 12 and the rotating shaft 9, a large contact area between the abutment block 12 and the rotating shaft 9 is required, and preferably, an arc-shaped abutment surface is provided on one side of the abutment block 12 facing the rotating shaft 9, and when the abutment block 12 abuts against the rotating shaft 9, the arc-shaped abutment surface comes into contact with the outer side surface of the rotating shaft 9, and the rotating shaft 9 is held and fixed.
In order to further increase the friction between the abutment block 12 and the rotating shaft 9, on the basis of the above embodiment, the abutment surface of the abutment block 12 for abutment with the rotating shaft 9 is provided with a plurality of grooves. That is to say, in the embodiment, the abutting surface of the abutting block 12 for abutting against the rotating shaft 9 is provided with the groove, so that the roughness between the abutting block 12 and the rotating shaft 9 is increased, and the friction force between the abutting block 12 and the rotating shaft 9 is favorably improved.
In addition, in the above-described embodiment, in order to facilitate the fixing of the connection plate 1, it is preferable that the connection plate 1 is provided with the mounting hole 13, so that the fixing of the connection plate 1 is achieved by passing a bolt for fixing the connection plate 1 through the mounting hole 13, for example, fixing the connection plate 1 to the resistance tester by the bolt.
In addition to the wire take-up device, the utility model also provides a ground resistance testing device comprising the wire take-up device disclosed by the embodiment, and the ground resistance testing device further comprises a resistance tester, wherein the wire take-up device is fixedly arranged on the resistance tester, and a lead of the resistance tester is wound on the winding roller 2 of the wire take-up device. For the structure of other parts of the resistance tester, please refer to the prior art, and the description is omitted here.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The wire take-up device and the grounding resistance testing device provided by the utility model are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A take-up device, comprising:
a connecting plate (1);
the wire winding roller (2) is rotatably arranged on the connecting plate (1), and the wire winding roller (2) is used for winding a wire;
the elastic device is connected between the connecting plate (1) and the winding roller (2) and elastically deforms when external force is applied to the winding roller (2) to enable the winding roller to rotate towards a first direction so as to release the lead; when the external force applied to the winding roller (2) is relieved, the elastic device drives the winding roller (2) to rotate towards a second direction so as to wind the wire; wherein the first direction and the second direction are opposite.
2. A take-up device as claimed in claim 1, wherein the resilient means comprises:
a spring (3) with one end connected with the connecting plate (1);
a rack (4) connected with the other end of the spring (3);
and the gear (5) is in meshing transmission with the rack (4), and the gear (5) is connected with the winding roller (2).
3. A take-up device as claimed in claim 2, further comprising a stop assembly for limiting the movement of the rack (4).
4. The take-up device as claimed in claim 3, wherein the limiting assembly comprises:
the limiting rod (6) is connected with the connecting plate (1) and is arranged in parallel to the rack (4);
and the limiting sleeve (7) is in sliding sleeve connection with the limiting rod (6) and is connected with the rack (4).
5. A take-up device as claimed in claim 4, wherein the connecting plate (1) is provided with a mounting plate (8), and the end of the spring (3) remote from the rack (4) and the limiting rod (6) are respectively connected with the mounting plate (8).
6. A take-up device according to any one of claims 1 to 5, characterised in that a rotary shaft (9) is connected to the winding roller (2), the rotary shaft (9) being rotatably connected to the connection plate (1) by means of a bearing.
7. A take-up device as claimed in claim 6, further comprising a positioning assembly for positioning the spindle (9) to secure the spindle (9) when the wire is released into position.
8. The take-up device as claimed in claim 7, wherein the positioning assembly comprises:
the connecting block (10) is connected with the connecting plate (1);
a threaded rod (11) in threaded connection with the connecting block (10);
and the abutting block (12) is arranged at the end part of the threaded rod (11) and is used for abutting against the rotating shaft (9).
9. A take-up device as claimed in claim 8, characterised in that the abutment surface of the abutment block (12) for abutment with the spindle (9) is provided with a number of recesses.
10. A ground resistance testing device, comprising a resistance tester, characterized in that, it further comprises a wire take-up device according to any one of claims 1-9, the wire take-up device is fixed on the resistance tester, and the wire of the resistance tester is wound on the winding roller (2) of the wire take-up device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123270800.XU CN216403457U (en) | 2021-12-20 | 2021-12-20 | Wire take-up device and grounding resistance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123270800.XU CN216403457U (en) | 2021-12-20 | 2021-12-20 | Wire take-up device and grounding resistance testing device |
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| Publication Number | Publication Date |
|---|---|
| CN216403457U true CN216403457U (en) | 2022-04-29 |
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| CN202123270800.XU Active CN216403457U (en) | 2021-12-20 | 2021-12-20 | Wire take-up device and grounding resistance testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117497308A (en) * | 2023-11-01 | 2024-02-02 | 苏州锐莱特电子科技有限公司 | Three-phase current transformer with adjustable anti-electricity-theft |
-
2021
- 2021-12-20 CN CN202123270800.XU patent/CN216403457U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117497308A (en) * | 2023-11-01 | 2024-02-02 | 苏州锐莱特电子科技有限公司 | Three-phase current transformer with adjustable anti-electricity-theft |
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