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CN-121791031-B - Spliced combined type intensive bus duct structure and splicing method thereof

CN121791031BCN 121791031 BCN121791031 BCN 121791031BCN-121791031-B

Abstract

The invention discloses a spliced combined type intensive bus duct structure and a splicing method thereof, and relates to the technical field of bus ducts. Including the bus duct shell, the installation shell is installed to bus duct shell junction, bus duct shell internally mounted has the busbar, installation shell internally mounted has hold-down mechanism, splicing mechanism includes fixed connection at the grafting piece that the movable block is close to installation shell one end, shrink piece top fixedly connected with connecting rod, the connecting rod middle part is located the inside cavity of installation shell and spacing slip, the installation shell is extended at the connecting rod top to the first impeller of fixedly connected with, this structure need not specialized tool, and manual operation can accomplish location and locking for the concatenation efficiency is showing and promotes, ensures that the compressive force of every section busbar terminal surface is unanimous, can not appear because of the pressure fluctuation that the manual operation difference leads to, and the displacement of expend with heat and contract deformation and vibration in the compensatory operation ensures that contact surface pressure is stable for a long time.

Inventors

  • LI JIANMIN
  • LI YONGZHENG
  • LI BIN

Assignees

  • 石林久久电缆桥架有限公司

Dates

Publication Date
20260508
Application Date
20260304

Claims (8)

  1. 1. The spliced combined type intensive bus duct structure comprises a bus duct shell (1) and is characterized in that a mounting shell (2) is mounted at the joint of the bus duct shell (1), a conductive bar (3) is mounted inside the bus duct shell (1), the conductive bar (3) extends out of two ends of the bus duct shell (1), a moving block (4) is slidably connected in grooves on the surfaces of the upper end and the lower end of the bus duct shell (1), a splicing mechanism is mounted at one end, close to the mounting shell (2), of the moving block (4), and a pressing mechanism is mounted inside the mounting shell (2); the splicing mechanism comprises a splicing block (51) fixedly connected to one end of a moving block (4) close to a mounting shell (2), a groove is formed in the top of the splicing block (51), first limiting teeth (52) are fixedly connected to the inner walls of two sides of the groove, a shrinkage block (53) is arranged in the groove at the top of the splicing block (51) close to the first limiting teeth (52), a second limiting tooth (54) is fixedly connected to one side surface of the shrinkage block (53) close to the first limiting teeth (52), a connecting rod (55) is fixedly connected to the top of the shrinkage block (53), the middle of the connecting rod (55) is located in an inner cavity of the mounting shell (2) and is in limiting sliding, a first spring is fixedly connected to the middle of the connecting rod (55), the other end of the first spring is connected with the inner wall of the inner cavity of the mounting shell (2), the top of the connecting rod (55) extends out of the mounting shell (2) and is fixedly connected with a first pushing block (56), and the first pushing block (56) is located in the groove formed in the top of the mounting shell (2) and is in limiting sliding. Two groups of shrinkage blocks (53) are arranged at positions corresponding to the first limiting teeth (52), and tooth surfaces of the first limiting teeth (52) and the second limiting teeth (54) are meshed with each other.
  2. 2. The spliced combined type compact bus duct structure according to claim 1, wherein the compressing mechanism comprises a supporting rod (61) fixedly connected inside a mounting shell (2), compressing plates (62) are sleeved on the surfaces of two ends of the supporting rod (61), contact plates (63) are sleeved on the surfaces of the supporting rod (61) between the compressing plates (62), sleeves (64) are fixedly connected to the upper ends and the lower ends of opposite faces of the compressing plates (62), the upper ends and the lower ends of the compressing plates (62) are located on the inner wall of the mounting shell (2) and slide in a limiting mode, contact protruding points (65) are mounted in grooves on the surfaces of two sides of the contact plates (63) through second springs, rotating rods (66) are arranged inside the sleeves (64), guide grooves (67) are formed in the inner wall of the sleeves (64), guide rods (68) are fixedly connected to the two ends of the rotating rods (66) corresponding to the positions of the guide grooves (67), and locking components are mounted inside the moving blocks (4).
  3. 3. The spliced combined type compact bus duct structure according to claim 2, wherein the locking assembly comprises a second pushing block (691) which is limited and slides inside a moving block (4), a third spring is fixedly connected to the surface of the right bottom end of the second pushing block (691), the other end of the third spring is fixedly connected with the inner wall of the moving block (4), a pushing rod (692) is fixedly connected to the bottom of the second pushing block (691), the pushing rod (692) sequentially penetrates through the moving block (4) and the inserting block (51) to extend into the mounting shell (2), a rack (693) is fixedly connected to the tail end of the pushing rod (692), a gear (694) is sleeved on the surface of the middle of the rotating rod (66), a locking block (695) is fixedly connected to the right top end of the second pushing block (691), a pulling plate (696) is vertically limited and slides in a groove on the right top end of the moving block (4), a locking rod (697) is fixedly connected to the bottom of the pulling plate (696), and the bottom of the pulling plate (696) is fixedly connected to the locking rod (697) and the other end of the fourth pushing block is arranged on the right side of the groove, and the right side of the fourth spring is connected to the other side of the top end of the moving block (694).
  4. 4. The spliced combined type intensive bus duct structure according to claim 3, wherein contact protruding points (65) are installed in grooves on the surface of one side, opposite to the pressing plate (62), of the pressing plate (62) through second springs, the contact protruding points (65) are uniformly distributed in an array mode on the surfaces of the pressing plate (62) and the contact plate (63), and five groups are sleeved on the surface of the contact plate (63) on the supporting rod (61).
  5. 5. The spliced and combined type dense bus duct structure of claim 4, wherein the guide groove (67) is formed into a spiral structure along the inner wall of the sleeve (64), and the guide rod (68) is located in the guide groove (67) to limit sliding.
  6. 6. The structure of claim 5, wherein the top surface of the locking block (695) is provided with a through groove corresponding to the position of the locking rod (697), and the abutting surface of the tail end of the locking block (695) is in an inclined structure.
  7. 7. The assembled dense busway structure of claim 6, wherein the tooth surface of the rack (693) is intermeshed with the tooth surface of the gear (694).
  8. 8. The splicing method of the spliced combined type intensive bus duct structure is suitable for the spliced combined type intensive bus duct structure as set forth in claim 7, and is characterized by comprising the following steps: S1, sleeving the mounting shell (2) at the end part of one section of bus duct shell (1) in advance, aligning the end surfaces of the conducting bars (3) of the two sections of bus ducts, and then pushing the moving block (4) at the top of the bus duct shell (1) to drive the inserting blocks (51) to be inserted into corresponding slots at two sides of the mounting shell (2); S2, in the plugging process, a first limiting tooth (52) in a groove at the top of the plugging block (51) is abutted against a second limiting tooth (54) to shrink inwards, and the first spring is compressed to shrink inwards, after the plugging block is completely inserted, the first spring is reset, the shrinkage block (53) is pushed to pop out, so that the first limiting tooth (52) and the second limiting tooth (54) are meshed with each other, and splicing and fixing are completed; S3, pushing a second pushing block (691) on the moving block (4), compressing a third spring, driving a pushing rod (692) at the bottom and a rack (693) at the tail end to extend into the mounting shell (2), meshing the rack (693) with a gear (694) at the middle part of the rotating rod (66), driving the rotating rod (66) to rotate, sliding guide rods (68) at two ends of the rotating rod (66) along spiral guide grooves (67) on the inner wall of the sleeve (64), and driving compression plates (62) at two sides to move along the support rods (61) in opposite directions; And S4, the pressing plate (62) pushes the contact plate (63) to press the end surfaces of the conducting bars (3) of the two sections of bus duct shells (1), and after the second pushing block (691) is pushed in place, the locking block (695) on the right side of the top end of the second pushing block is clamped with the locking rod (697) on the moving block (4) to complete locking and prevent loosening.

Description

Spliced combined type intensive bus duct structure and splicing method thereof Technical Field The invention relates to the technical field of bus ducts, in particular to a spliced combined type intensive bus duct structure and a splicing method thereof. Background The bus duct is characterized in that the bus duct is a conductive bar and mainly comprises copper bars or aluminum bars, the surface of the conductive bar is coated with insulating materials, the outer part of the bus duct is encapsulated by a metal shell, the shell has the functions of protection, heat dissipation, grounding and electromagnetic shielding, the conductive bars of the intensive bus duct are closely arranged, the gap between the shell and the conductors is small, the heat dissipation is good, the volume is compact, the current-carrying capacity is large, the bus duct is the most widely used type at present, and is mainly used for large-capacity electric energy transmission in places such as buildings and industrial plants, and is one of upgrading and replacing products of traditional cables. However, the existing intensive bus duct needs to be subjected to the steps of aligning guide pins, penetrating bolts, symmetrically screwing torque wrenches and the like when being installed, is complex in operation, is inconvenient to quickly assemble and splice, meanwhile, the conductive bars are tightly connected through the bolts and nuts, the screwing torque of the bolts needs to be strictly matched with the specification of the conductive bars, the contact surface pressure of the conductive bars is insufficient due to the fact that the torque is too small, the contact resistance is increased, the end face deformation of the conductive bars is caused by the fact that a sealing gasket of a connector is crushed due to the fact that the torque is too large, insulation damage or short circuit risks are caused, manual operation is difficult to ensure that the torque of all the bolts is completely uniform in actual construction, and the problem of 'bias tightening and loosening' is easy to occur. Aiming at the problems, innovative design is urgently needed on the basis of the original intensive bus duct. Disclosure of Invention The invention aims to provide a spliced combined type intensive bus duct structure so as to solve the problem that the background technology is inconvenient to quickly carry out combined splicing and uneven bolt tightening torque. The invention provides a spliced combined type dense bus duct structure, which comprises a bus duct shell, wherein a mounting shell is arranged at the joint of the bus duct shell, a conductive bar is arranged in the bus duct shell, the conductive bar extends out of two ends of the bus duct shell, moving blocks are connected in sliding manner in grooves on the surfaces of the upper end and the lower end of the bus duct shell, a splicing mechanism is arranged at one end, close to the mounting shell, of the moving blocks, and a pressing mechanism is arranged in the mounting shell; The splicing mechanism comprises a splicing block fixedly connected to one end of the movable block close to the installation shell, a groove is formed in the top of the splicing block, first limiting teeth are fixedly connected to the inner walls of two sides of the groove, a shrinkage block is arranged in the groove at the top of the splicing block and close to the first limiting teeth, a second limiting teeth is fixedly connected to one side surface of the shrinkage block close to the first limiting teeth, a connecting rod is fixedly connected to the top of the shrinkage block, the middle of the connecting rod is located in the inner cavity of the installation shell and is in limiting sliding, a first spring is fixedly connected to the middle of the connecting rod, the other end of the first spring is connected with the inner wall of the inner cavity of the installation shell, the installation shell extends out of the top of the connecting rod and is fixedly connected with a first pushing block, and the first pushing block is located in the groove formed in the top of the installation shell and is in limiting sliding. Preferably, the hold-down mechanism includes the bracing piece of fixed connection inside the installation shell, bracing piece both ends surface cover is equipped with the hold-down plate, be located bracing piece surface cover between the hold-down plate and be equipped with the contact plate, the upper and lower both ends fixedly connected with sleeve of hold-down plate opposite face, the upper and lower both ends of hold-down plate are located the installation shell inner wall and limit the slip, install the contact bump through the second spring in the surface groove of contact plate both sides, the inside dwang that is provided with of sleeve, the guide slot has been seted up on the sleeve inner wall, the dwang both ends correspond guide slot position fixedly connected with guide bar, movable block