CN216851585U - Low-voltage high-power motor junction box and low-voltage high-power motor - Google Patents
Low-voltage high-power motor junction box and low-voltage high-power motor Download PDFInfo
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- CN216851585U CN216851585U CN202220226575.5U CN202220226575U CN216851585U CN 216851585 U CN216851585 U CN 216851585U CN 202220226575 U CN202220226575 U CN 202220226575U CN 216851585 U CN216851585 U CN 216851585U
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Abstract
The utility model discloses a low pressure high-power motor terminal box and low pressure high-power motor, including: a junction box body, in which an accommodation space is formed; the conductive bent frame is positioned in the accommodating space and connected with the junction box body; the conductive bar is fixed on the conductive bent frame, and a plurality of cable joint parts connected with the cables are arranged on two sides of the conductive bar; the cable installation component is provided with two layers, is arranged along the direction of height of the junction box body and is staggered with each other, each layer of cable installation component comprises a plurality of cable installation joints, wherein the plurality of cable installation joints of one layer of cable installation component correspond to the positions of the plurality of cable joint parts on one side of the conductive bar, and the plurality of cable installation joints of the other layer of cable installation component correspond to the positions of the plurality of cable joint parts on the other side of the conductive bar. The utility model provides a low pressure high-power motor adopt the inconvenient and terminal box structure of single strand multicore cable installation operation big among the prior art, problem that complete machine weight is big.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment, concretely relates to improvement of low pressure high-power motor terminal box and low pressure high-power motor structure.
Background
At present, in a plurality of oil and gas exploitation sites, the voltage grade is generally low, more is 380V 600V 660V, more and more small-power motors cannot meet the market requirement, and the design and development of large-scale, high-efficiency, high-power-density and wider frequency conversion range motors are imperative. In view of the current situation that the voltage of a well site is low at present, cables equipped on a plurality of devices are very thick and heavy, great labor intensity is required for operators, the probability of carrying, disassembling and installing the cables is high for the devices of the well site to be replaced in the well site, and therefore a certain foundation is laid for reducing the workload of the operators by optimizing the design of the low-voltage high-current motor junction box.
The high-power motor of low pressure, the electric current has thousands of to ten thousand amperes, for the quantity that reduces the cable, choose for use the multicore cable, like three-core cable etc., but because the electric current of this kind of motor is big, the weight of cable is very heavy, during the wiring operation, 1 workman can't accomplish work at all, and the cable length of this kind of single stranded is very long, the hardness is great, because it has the stranded, can have bending radius, can be limited by bending radius's structural constraint when the installation, and because the hardness is big, bending radius exists and can make the terminal box structure very big, the weight of complete machine has been increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is big to the terminal box structure that low pressure high-power motor adopted the installation of single strand multicore cable operation inconvenient and adopt among the prior art for the big problem of complete machine weight provides a novel terminal box structure of low pressure high-power motor, and its structure makes its applicable single strand core cable installation, and the installation is operated more conveniently, and makes the cable installation no longer receive the radial restriction of bending, has reduced the size of terminal box, has reduced complete machine weight.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
a low-voltage high-power motor junction box comprises:
a junction box body, wherein an accommodating space is formed inside the junction box body;
the conductive bent frame is positioned in the accommodating space and connected with the junction box body;
the conductive bar is fixed on the conductive bent frame, and a plurality of cable joint parts connected with the cables are arranged on two sides of the conductive bar;
the cable installation component is provided with two layers and is staggered in the height direction of the junction box body, each layer of cable installation component comprises a plurality of cable installation joints, the plurality of cable installation joints of one layer of cable installation component correspond to the plurality of cable joint positions on one side of the conductive bar, and the plurality of cable installation joints of the other layer of cable installation component correspond to the plurality of cable joint positions on the other side of the conductive bar.
In some embodiments of the present application, the cable installation joint is a cable sealing joint.
In some embodiments of the present application, the bottom of the junction box body is concavely formed with a first mounting stage and a second mounting stage arranged in a height direction thereof, and the cable mounting assembly is provided with 2 layers arranged on the first mounting stage and the second mounting stage, respectively.
In some embodiments of the present application, the front side of the junction box body is provided with an operating window for facilitating operation of the installation cable.
In some embodiments of the present application, the method further comprises:
the number of the connecting parts is 2, and the connecting parts are arranged at two ends of the junction box body;
and two ends of the conductive bent are respectively inserted into the 2 connecting parts, and the positions of the conductive bent relative to the front and back directions and the left and right directions of the connecting parts are adjustable.
In some embodiments of the present application, the connecting member is an insulator.
In some embodiments of the application, the connecting part is provided with an insertion hole, the conductive bent frame is inserted in the insertion hole and can slide along the left-right direction and the front-back direction relative to the insertion hole, and after the conductive bent frame slides in place, the conductive bent frame is locked and fixed on the junction box body through a locking part.
In some embodiments of the present application, the electrically conductive bent is provided with 2, 2 the electrically conductive bent is connected through the link, 2 be formed with installation space between the electrically conductive bent.
In some embodiments of this application, the electrically conductive row is located 2 between the electrically conductive framed bent, including the body, connect first connecting portion and the second connecting portion in the body both sides, first connecting portion are connected with one of them electrically conductive framed bent, and second connecting portion and another electrically conductive framed bent are connected be provided with cable joint portion on the first connecting portion be provided with pin joint on the second connecting portion.
A low-voltage high-power motor comprises a motor body and the junction box structure of the low-voltage high-power motor.
Compared with the prior art, the utility model discloses an advantage is with positive effect:
the utility model provides a low pressure high power motor terminal box, the equal one end of cable that is located every side of conductive row is connected in cable joint portion, and the other end extends to the cable erection joint position department of the cable erection subassembly on the layer that corresponds rather than the position that is located its below perpendicularly downwards, then connect through cable erection joint fixed can. Through the structure of the junction box body in the embodiment, a single-core cable can be adopted as a cable of the low-voltage high-power motor, so that the weight of the cable is reduced, and the carrying and the transportation of operators are facilitated;
in addition, when the cable is installed, the cable vertically extends to the bottom position from top to bottom and then is installed at the bottom of the junction box body, the cable is always in a drooping state and is not limited by the bending radius of the cable, the occupied space of the whole junction box body can be reduced, and the weight of the whole machine is further reduced;
when the cable terminal box is installed, the top of the cable is connected to the cable connector portion, and the bottom of the cable terminal box is installed and fixed at the bottom of the terminal box through the cable installing connector, so that the operation is simple and convenient.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a junction box of a low-voltage high-power motor assembled on a motor according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a left side view of the junction box of the low-voltage high-power motor in the embodiment of the present invention;
fig. 4 is a bottom view of the junction box of the low-voltage high-power motor in the embodiment of the present invention on the motor;
fig. 5 is a schematic view of the conductive bent frame of the junction box of the low-voltage high-power motor in the embodiment of the present invention;
fig. 6 is a schematic structural view of a conductive bent frame and a connecting part of a low-voltage high-power motor junction box in an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a connecting component of a low-voltage high-power motor junction box in an embodiment of the present invention;
fig. 8 is a schematic structural diagram of the conductive bar of the low-voltage high-power motor junction box in the embodiment of the present invention inside the junction box body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The utility model provides an embodiment of low pressure high power motor terminal box, including:
a junction box body 100 in which an accommodation space 110 is formed inside the junction box body 100;
the conductive bent frame 200 is positioned in the accommodating space 110 and connected with the junction box body 100;
in some embodiments, the conductive bent 200 extends along the length of the junction box body 100.
In this embodiment, the length direction of the junction box body 100 is the length of the junction box body 100 along the left-right direction when the junction box body is normally installed in place, the width direction of the junction box is the length direction perpendicular to the junction box, and the length of the junction box is greater than the width of the junction box.
The conductive bar 300 is fixed on the conductive bar frame 200, a plurality of cable joint parts 310 connected with cables are arranged on both sides of the conductive bar 300, and cables can be connected on both sides of the conductive bar 300 by arranging the cable joint parts 310 on both sides of the conductive bar 300.
The cable connector 310 may be a cable connector of the prior art.
Two layers of cable installation assemblies 400 arranged along the height direction of the junction box body 100 are arranged at the bottom of the junction box below the cable joint part 310, the two layers of cable installation assemblies 400 correspond to the positions of the cable joint parts 310 on two sides of the conductive bar 300 respectively, each layer of cable installation assembly 400 comprises a plurality of cable installation joints 410 arranged side by side, and the cable installation joints 410 correspond to the positions of the cable joint parts 310 on the side corresponding to the positions of the cable installation joints 410 respectively.
In the present embodiment, the junction box 100 may adopt a single-core single-strand cable structure when connecting cables, and in particular, cables may be connected to both sides of the conductive bar 300 at the same time.
When in connection, one end of each cable on each side is connected to the cable connector part 310, and the other end extends downwards and vertically to the position of the cable installation connector 410 below the cable, and then the cable is connected and fixed with the cable installation connector 410 corresponding to the position of the cable.
The cable connectors 310 located at the same positions on both sides of the conductive bar 300 can be respectively connected with 2 cables, after the connection at the conductive bar 300 is completed, the 2 cables hang down and extend to the bottom of the junction box body 100, and the cable connectors 410 in the corresponding and two-layer cable installation assemblies 400 are connected.
Through the structure of the junction box body 100 in the embodiment, a single-core cable can be adopted as a cable of the low-voltage high-power motor, so that the weight of the cable is reduced, and the carrying and the transportation of an operator are facilitated;
moreover, when the cable is installed, the cable vertically extends to the bottom position from top to bottom and then is installed at the bottom of the junction box body 100, the cable is always in a drooping state and is not limited by the bending radius of the cable, the occupied space of the whole junction box body 100 can be reduced, and the weight of the whole machine is further reduced.
When the cable is installed, the top of the cable is connected to the cable connector part 310, and the bottom of the cable is installed and fixed at the bottom of the junction box through the cable installation connector 410, so that the operation is simple and convenient.
In some embodiments of the present application, the cable attachment fittings 410 of the cable attachment assemblies 400 of two layers are all positioned to correspond to each other, so that cables hanging down at the same position on both sides of the conductive bar 300 can be respectively connected to the cable attachment fittings 410 of two layers positioned to correspond to each other, thereby preventing the cables from bending.
In some embodiments of the present application, the bottom of the junction box body 100 is formed with a first mounting stage 120 and a second mounting stage 130 arranged in a height direction thereof, and two-layer cable mounting assemblies 400 are respectively arranged on the first mounting stage 120 and the second mounting stage 130.
The first mounting block 120 is provided with a mounting hole, and the cable mounting connector 410 is assembled in the mounting hole, and in some embodiments, the cable mounting connector 410 is a cable sealing connector.
Through the cable sealing joint who sets up, can prevent that rivers from entering into junction box body 100 inside along the cable, realized sealed waterproof to make things convenient for operating personnel to operate the installation through the clamping spanner.
In some embodiments of the present application, the front side of the junction box body 100 is provided with an access window 140 for facilitating access to the mounting cable.
In some embodiments of the present application, the method further comprises:
2 connecting parts 500 arranged at both ends of the power connection box body;
in some embodiments of the present application, the connecting member 500 is an insulating member, and the connecting member 500 is a connecting block, which is made of a high-strength and high-temperature-resistant insulating material.
Two ends of the conductive bent 200 are respectively inserted into 2 of the connection members 500, and the positions of the conductive bent 200 with respect to the front-rear direction and the left-right direction of the connection members 500 are adjustable.
A mounting opening is formed at the top of the junction box body 100, and due to the size limitation of the mounting opening, when mounting is performed, the connection member 500 may be slid along the conductive bent 200, onto the conductive bent 200, and then the conductive bent 200 may be put into a position above the receiving space 110 of the junction box body 100 through the mounting opening.
The connection member 500 is slid toward both ends, and the connection member 500 is fastened to the sidewall of the junction box body 100 by means of bolts, and at the same time, the load-bearing support function of the conductive bent 200 is achieved by means of the connection member 500.
In some embodiments of the present application, the connection member 500 is provided with insertion holes 510, the conductive bent frame 200 is inserted into the insertion holes 510 and can slide in the left-right direction and the front-back direction with respect to the insertion holes 510, and after the conductive bent frame 200 slides in place, the conductive bent frame 200 is locked and fixed on the junction box body 100 by the locking members.
The insertion holes 510 are formed to have a width larger than that of the conductive bent 200 and to penetrate the connection members 500, so that the conductive bent 200 can be slidably drawn and pulled along the insertion holes 510 to adjust the left and right positions of the conductive bent 200,
the conductive bent 200 is slid in the front and rear direction of the insertion hole 510 to accomplish the adjustment of the front and rear direction position of the conductive bent 200 with respect to the connection member 500.
Because the conductive bar 300 connected and fixed on the conductive bar frame 200 is a sheet metal part, when the conductive bar frame is bent and formed, manufacturing errors exist during manufacturing, and the position of the conductive bar 300 fixedly connected above the conductive bar frame 200 can be ensured to be installed in place by adjusting the position of the conductive bar frame.
After the adjustment is completed, the conductive bent 200 may be fastened and fixed to the sidewall of the junction box body 100 by a fastening bolt.
In some embodiments of the present application, the conductive bent 200 is provided with 2 conductive bent 200, 2 conductive bent 200 are connected by a link 700, and an installation space 610 is formed between 2 conductive bent 200.
The linkage 700 is a linkage rod which can be respectively connected and fixed with the 2 conductive bent frames 200 through bolts, and when the position is adjusted, the 2 conductive bent frames 200 are adjusted in a synchronous position moving mode.
In some embodiments of the present application, the conductive bar 300 is located between 2 conductive bent frames 200, and includes a body 320, a first connection portion 330 and a second connection portion 340 connected to two sides of the body 320, the first connection portion 330 is connected to one of the conductive bent frames 200, the second connection portion 340 is connected to another conductive bent frame 200, a cable connector portion 310 is provided on the first connection portion 330, and a lead connector 341 is provided on the second connection portion 340.
When connected, the first connection portion 330 and the second connection portion 340 of the conductive bar 300 may be fixedly connected to the corresponding side of the conductive bar frame 200 by bolts.
When the conductive bar 300 is disposed, the first connecting portion 330 is a first connecting arm, the second connecting portion 340 is a second connecting arm, the body 320 is disposed perpendicular to the first connecting portion 330 and the second connecting portion 340, and the whole conductive bar 300 is a U-shaped structure.
The cable connector 310 is used to connect the connectors of the single-strand multi-core cable, and the lead connector 341 is mainly used to interface with the lead of the stator inside the motor.
When provided, the plurality of conductive bars 300 may be uniformly arranged along the length direction of the conductive bent 200, and each conductive bar 300 includes 4 lead connectors 341 for electrically connecting with 2 leads of the stator of the motor.
The installation space 610 between the 2 conductive bent frames 200 is convenient for an operator to reach the position for operating to connect the cable to the cable connector portion 310.
The embodiment further provides a low-voltage high-power motor, which comprises a motor body 320 and the junction box structure of the low-voltage high-power motor in the technical scheme.
The motor body 320 is further provided with a control wire junction box which is arranged at one side of the junction box body 100, and the interference of cables inside the signal junction box body 100 can be effectively avoided by the mode that the control wire junction box and the junction box body 100 are separately arranged.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.
Claims (10)
1. A low-voltage high-power motor junction box is characterized by comprising:
a junction box body, wherein an accommodating space is formed inside the junction box body;
the conductive bent frame is positioned in the accommodating space and connected with the junction box body;
the conductive bar is fixed on the conductive bent frame, and a plurality of cable joint parts connected with the cables are arranged on two sides of the conductive bar;
the cable installation component is provided with two layers, is arranged along the height direction of the junction box body and staggers each other, and each layer of cable installation component comprises a plurality of cable installation joints, wherein the plurality of cable installation joints of one layer of cable installation component correspond to the positions of a plurality of cable joint parts on one side of the conductive bar, and the plurality of cable installation joints of the other layer of cable installation component correspond to the positions of a plurality of cable joint parts on the other side of the conductive bar.
2. The low voltage high power motor junction box of claim 1, wherein said cable attachment fitting is a cable gland fitting.
3. The junction box of low-voltage high-power motor according to claim 1, wherein the bottom of the junction box body is concave inwards to form a first mounting table and a second mounting table which are arranged along the height direction of the junction box body, and two layers of cable mounting components are respectively arranged on the first mounting table and the second mounting table.
4. The junction box for low-voltage high-power motors of claim 1, wherein the front side of the junction box body is provided with an operation window for facilitating operation and installation of cables.
5. The junction box of low-voltage high-power motor according to claim 1, further comprising:
the number of the connecting parts is 2, and the connecting parts are arranged at two ends of the junction box body;
and two ends of the conductive bent are respectively inserted into the 2 connecting parts, and the positions of the conductive bent relative to the front and back directions and the left and right directions of the connecting parts are adjustable.
6. The junction box of claim 5, wherein the connecting member is an insulating member.
7. The junction box of low-voltage high-power motor according to claim 5, wherein the connecting part is provided with insertion holes, the conductive bent is inserted into the insertion holes and can slide in the left-right direction and the front-back direction relative to the insertion holes, and after the conductive bent slides in place, the conductive bent is locked and fixed on the junction box body through locking parts.
8. The junction box of a low-voltage high-power motor according to claim 5, wherein 2 conductive bent frames are arranged, 2 conductive bent frames are connected through a linkage, and an installation space is formed between the 2 conductive bent frames.
9. The junction box of low-voltage high-power motor according to claim 1, wherein the conducting bar is located between 2 conducting bar frames, and comprises a body, a first connecting part and a second connecting part, the first connecting part and the second connecting part are connected to two sides of the body, the first connecting part is connected with one conducting bar frame, the second connecting part is connected with the other conducting bar frame, a cable joint part is arranged on the first connecting part, and a lead joint is arranged on the second connecting part.
10. A low-voltage high-power motor, which comprises a motor body and is characterized by further comprising a junction box structure of the low-voltage high-power motor as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220226575.5U CN216851585U (en) | 2022-01-27 | 2022-01-27 | Low-voltage high-power motor junction box and low-voltage high-power motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220226575.5U CN216851585U (en) | 2022-01-27 | 2022-01-27 | Low-voltage high-power motor junction box and low-voltage high-power motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216851585U true CN216851585U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220226575.5U Active CN216851585U (en) | 2022-01-27 | 2022-01-27 | Low-voltage high-power motor junction box and low-voltage high-power motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216851585U (en) |
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2022
- 2022-01-27 CN CN202220226575.5U patent/CN216851585U/en active Active
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