CN116550705B - Cable calandria pull throughs - Google Patents
Cable calandria pull throughs Download PDFInfo
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- CN116550705B CN116550705B CN202310820148.9A CN202310820148A CN116550705B CN 116550705 B CN116550705 B CN 116550705B CN 202310820148 A CN202310820148 A CN 202310820148A CN 116550705 B CN116550705 B CN 116550705B
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- sleeve
- calandria
- along
- telescopic rod
- rotating shaft
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- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000005553 drilling Methods 0.000 claims abstract description 14
- 238000007790 scraping Methods 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 7
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- SAPGTCDSBGMXCD-UHFFFAOYSA-N (2-chlorophenyl)-(4-fluorophenyl)-pyrimidin-5-ylmethanol Chemical compound C=1N=CN=CC=1C(C=1C(=CC=CC=1)Cl)(O)C1=CC=C(F)C=C1 SAPGTCDSBGMXCD-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/049—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
- B08B9/051—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled the cleaning devices having internal motors, e.g. turbines for powering cleaning tools
Abstract
The application relates to the technical field of pipeline cleaning, in particular to a cable calandria dredging device, which comprises a drilling mechanism, a power mechanism and a steering mechanism; the drilling mechanism comprises a sleeve, a rotating shaft and a drill bit; the drill bit faces the sleeve along the sliding direction of the calandria, and can push the rotating shaft to slide in the sleeve when encountering resistance; the power mechanism comprises a telescopic rod and a driving assembly, and the telescopic rod is driven to rotate, so that the driving assembly rotates to provide rotating force for the sleeve in the circumferential direction of the calandria, and the rotating angle of the telescopic rod is smaller than or equal to 90 degrees. The driving assembly is arranged, the driving assembly can provide driving force for the sleeve to axially move along the calandria in the calandria through the telescopic rod, the sleeve continues to move under the action of the driving assembly when the drill bit encounters resistance through the cooperation of the sleeve and the rotating shaft, the greater the resistance encountered by the drill bit is, the greater the degree of the axial driving force provided by the driving assembly to the sleeve is converted into rotating force, and therefore energy saving and cleaning of sundries in the calandria are achieved.
Description
Technical Field
The application relates to the technical field of pipeline cleaning, in particular to a cable duct bank dredging device.
Background
With the development of science and technology, after entering a modern society, due to reasons of shortage of urban land, high traffic pressure, urban construction and the like, underground cable transmission modes are commonly adopted in many cities, and compared with overhead lines, the cable has the advantages of small occupied area, reliable transmission, strong anti-interference capability and the like; for underground cables, the cables need to be routed through the cable shafts and the cable ducts between the cable shafts, for example, when the cables are routed between two cable shafts with a distance of 50 meters, the cables pass through the cable ducts between the two shafts, the diameter of the cable ducts does not meet the conditions of passing by constructors, only one or a few cables pass through, and for some cable ducts which are idle for a long time, the interior of the cable ducts is often blocked by sludge or soil blocks to different degrees due to natural factors. When carrying out underground cable laying, need dredge cable conduit, prevent to influence the construction process because objects such as grit that remains in the pipeline stop the passage of cable when laying the cable.
"bulls" are traditionally used to dredge the cable duct. The large iron ox is a metal rod with the diameter slightly smaller than that of the cable pipeline, and the cable pipeline is dredged by means of manual traction and reciprocating motion in the cable pipeline. And the pipeline is dredged indiscriminately by using a mechanical equipment dredging device through providing high power, so that the energy waste is relatively large.
Disclosure of Invention
Based on the above, it is necessary to provide a cable duct dredging device for solving the problem that the current dredging device cannot maximize the energy utilization rate according to the difficulty level of cleaning sundries in a cable duct.
The above purpose is achieved by the following technical scheme:
a cable calandria dredging device comprises a drilling mechanism, a power mechanism and a steering mechanism; the drilling mechanism comprises a sleeve, a rotating shaft, a first pressure spring and a drill bit; the sleeve is slidably arranged in the calandria along the extending direction of the axis of the calandria, the rotating shaft is coaxial with the sleeve, the rotating shaft is slidably arranged in the sleeve along the axial direction of the sleeve, the first pressure spring is arranged in the sleeve, and two ends of the first pressure spring are respectively connected with the rotating shaft and the sleeve; the drill bit is installed in the one end of pivot, and the drill bit is towards sleeve along calandria gliding direction, and the drill bit runs into resistance and can promote the pivot and slide in the sleeve.
The telescopic rod is provided with a fixed end and a telescopic end, the fixed end of the telescopic rod penetrates through the sleeve and extends along the radial direction of the sleeve, and the telescopic rod can rotate along the axis of the telescopic rod relative to the sleeve; the driving component is arranged at the telescopic end of the telescopic rod and acts on the inner wall of the calandria, and is used for driving the sleeve to move along the axial direction of the calandria and rotate along the circumferential direction of the calandria.
The steering mechanism comprises a plurality of gears and a plurality of rack plates, the gears are arranged in the sleeve, and each gear is correspondingly arranged on the fixed end of one telescopic rod; the rack plates are arranged on the rotating shaft, each rack plate is correspondingly meshed with one gear and used for driving the telescopic rod to rotate, the driving assembly rotates to provide rotating force along the circumferential direction of the calandria for the sleeve, and the rotating angle of the telescopic rod is smaller than or equal to 90 degrees.
Preferably, the power mechanisms are divided into a plurality of groups along the axial direction of the sleeve, and the power mechanisms in each group are at least three and are uniformly distributed along the circumferential direction of the sleeve.
Preferably, the rotating shaft is provided with sliding grooves extending along the axial direction of the rotating shaft, the number and the positions of the sliding grooves correspond to those of the telescopic rods in each group of power mechanisms, each rack plate is arranged on the groove wall of one sliding groove, and the plurality of rack plates are uniformly distributed along the circumferential direction of the rotating shaft and used for enabling the plurality of telescopic rods to rotate around the axis of the telescopic rods in one direction.
Preferably, the radial rotational force provided to the sleeve after rotation of the telescopic rod causes the sleeve to rotate in a direction consistent with the direction of rotation of the drill bit when drilling.
Preferably, each driving assembly comprises a support, a first roller, a motor and a belt, wherein the support is arranged at the telescopic end of the telescopic rod, the first roller is rotationally arranged on the support, the axis of the first roller is perpendicular to the axis of the telescopic rod, the motor is arranged on the support, the belt is arranged on the rotating shaft of the first roller and the output shaft of the motor, and the motor is used for driving the first roller to rotate.
Preferably, each driving assembly further comprises a dust cover, the dust cover is arranged on one side of the bracket, and the rotating shaft of the first roller, the belt and the output shaft of the motor are coated in the dust cover.
Preferably, the device further comprises a shaking mechanism, the shaking mechanism comprises a supporting disc, a transverse plate, a tension spring and a guide assembly, the supporting disc and the sleeve are coaxially arranged, the transverse plate is arranged on the peripheral surface of the supporting disc, the transverse plate is horizontally arranged and positioned below the sleeve, two side surfaces of the transverse plate are in contact with the inner wall of the calandria, one end of the tension spring is arranged on one surface, close to the sleeve, of the supporting disc, the other end of the tension spring is arranged on one end surface, far away from the drill bit, of the sleeve, and the supporting disc and the sleeve can rotate relatively; the guide assembly is used for controlling the support disc to move along the axial direction of the calandria; the second pressure spring is arranged in the telescopic rod and used for jacking the drilling mechanism up by extruding the second pressure spring when the first roller rotates to the transverse plate.
Preferably, the guide assembly comprises a fixed rod, a second roller and a third pressure spring, wherein one surface of the support disc, which is far away from the tension spring, is provided with a fixed block, a first sliding hole is formed in the fixed block along the radial direction of the sleeve, the fixed rod is arranged in the first sliding hole in a sliding manner, the second roller is arranged at one end of the fixed rod, which is far away from the fixed block, the rotating shaft of the second roller is perpendicular to the axis of the calandria, the third pressure spring is arranged in the first sliding hole, and two ends of the third pressure spring are respectively connected with the fixed rod and the fixed block.
Preferably, a limiting ring is arranged at one end, close to the rotating shaft, of the peripheral surface of the drill bit, a bulge is arranged on the limiting ring along the radial direction of the limiting ring, a second sliding hole is formed in the bulge along the radial direction of the rotating ring, a scraping plate is arranged in the second sliding hole in a sliding mode, and the scraping plate is used for scraping impurities on the inner wall of the calandria; a fourth pressure spring is arranged in the second sliding hole, and two ends of the fourth pressure spring are respectively contacted with the scraping plate and the limiting ring.
Preferably, the limiting plates extending along the axial direction of the sleeve are arranged on the outer peripheral surface of the sleeve, the limiting plates are arranged in a plurality, the telescopic ends of each telescopic rod penetrate through one limiting plate, and supporting ribs with two ends used for connecting the limiting plates are arranged between two adjacent limiting plates.
The beneficial effects of the application are as follows: the driving assembly is arranged, the driving assembly can provide driving force and rotating force for the sleeve to axially move along the calandria in the calandria through the telescopic rod, through the cooperation of the sleeve and the rotating shaft, when a drill bit encounters resistance, the sleeve continuously moves under the action of the driving assembly to enable the sleeve to slide relative to the rotating shaft, the rack plate and the gear are arranged, when the sleeve and the rotating shaft relatively move, the rack plate drives the gear to rotate, the gear drives the driving assembly to deflect through the telescopic rod, the driving assembly can rotate along the inner peripheral surface of the calandria, the driving force of the sleeve along the calandria is partially converted into rotating force along the circumferential direction of the calandria, the drill bit is caused to rotate, and the blocking part is rotationally cleaned; the greater the resistance encountered by the drill bit, the greater the extent to which the drive assembly converts the axial drive force provided by the sleeve into rotational force, thereby achieving energy savings and cleaning of debris in the gauntlet.
Drawings
Fig. 1 is a schematic structural view of a cable duct dredging device according to an embodiment of the application;
FIG. 2 is a front view of a cable calandria pull throughs provided by embodiments of the present application;
FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2;
FIG. 4 is a cross-sectional view taken along the direction B-B in FIG. 2;
FIG. 5 is a cross-sectional view taken along the direction C-C in FIG. 2;
FIG. 6 is a cross-sectional view taken along the direction D-D in FIG. 2;
FIG. 7 is a right side view of a cable calandria pull throughs provided by embodiments of the present application;
fig. 8 is a schematic structural view of a rotating shaft of the same cable duct dredging device according to an embodiment of the present application;
wherein: 101. a sleeve; 102. a drill bit; 103. a rotating shaft; 104. a telescopic rod; 105. a gear; 106. a first compression spring; 107. a chute; 108. rack plate; 109. a bracket; 110. a first roller; 111. a dust cover; 112. a motor; 113. a belt; 114. a second compression spring; 115. a support plate; 116. a cross plate; 117. a tension spring; 118. a fixed rod; 119. a second roller; 120. a third compression spring; 121. a first slide hole; 122. a limiting ring; 123. a second slide hole; 124. a scraper; 125. a fourth compression spring; 126. a limiting plate; 127. a support rib; 128. and a fixed block.
Detailed Description
The present application will be further described in detail below with reference to examples, which are provided to illustrate the objects, technical solutions and advantages of the present application. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1-8, the embodiment of the application provides a cable duct bank dredging device, which is suitable for dredging cable ducts and also suitable for dredging and cleaning other ducts. Specifically, the cable calandria dredging device provided by the embodiment of the application comprises a drilling mechanism, a power mechanism and a steering mechanism; the drilling mechanism comprises a sleeve 101, a rotating shaft 103 and a drill bit 102; the sleeve 101 is slidably arranged in the calandria along the extending direction of the calandria axis, the rotating shaft 103 is coaxial with the sleeve 101, the rotating shaft 103 is slidably arranged in the sleeve 101 along the axial direction of the sleeve 101, the first pressure spring 106 is arranged in the sleeve 101, and two ends of the first pressure spring are respectively connected with the rotating shaft 103 and the sleeve 101; the drill bit 102 is mounted at one end of the rotating shaft 103, and the drill bit 102 faces the sleeve 101 along the sliding direction of the row of pipes, and the drill bit 102 can push the rotating shaft 103 to slide in the sleeve 101 when encountering resistance.
The power mechanism is provided with a plurality of power mechanisms, the plurality of power mechanisms are arranged along the circumference of the sleeve 101, each power mechanism comprises a telescopic rod 104 and a driving assembly, the telescopic rod 104 is provided with a fixed end and a telescopic end, the fixed end of the telescopic rod 104 penetrates through the sleeve 101 and extends along the radial direction of the sleeve 101, and the telescopic rod 104 can rotate relative to the sleeve 101 along the axis of the telescopic rod 104; the driving assembly is mounted at the telescopic end of the telescopic rod 104 and acts on the inner wall of the calandria for driving the sleeve 101 to move in the axial direction of the calandria and to rotate circumferentially along the calandria.
The steering mechanism comprises a plurality of gears 105 and a plurality of rack plates 108, wherein the gears 105 are arranged in the sleeve 101, and each gear 105 is correspondingly arranged on the fixed end of one telescopic rod 104; the rack plates 108 are disposed on the rotating shaft 103, and each rack plate 108 is correspondingly meshed with one gear 105 for driving the telescopic rod 104 to rotate, so that the driving assembly rotates to provide the sleeve 101 with a rotating force along the circumferential direction of the calandria, and the rotating angle of the telescopic rod 104 is less than or equal to 90 °.
Specifically, when the drill cylinder mechanism does not receive resistance in the row pipe, the driving assembly acts on the inner wall of the row pipe and moves along the axial direction of the sleeve 101, and the sleeve 101 is driven to move towards the drill bit 102;
when the drill bit 102 encounters resistance, the driving assembly continues to drive the sleeve 101 to move towards the drill bit 102, at the moment, the rotating shaft 103 slides in the sleeve 101, the rack plate 108 is driven to rotate while the rotating shaft 103 slides, the gear 105 drives the telescopic rod 104 to rotate, the telescopic rod 104 drives the driving assembly to rotate, after the driving assembly deflects, an included angle is formed between the moving direction of the driving assembly and the axial direction of the sleeve 101, the driving assembly moves in a calandria in a spiral mode, meanwhile, the sleeve 101 is driven to rotate, and the drill bit 102 cuts a blocking object.
When the resistance of the drill bit 102 is increased, the included angle between the moving direction of the driving assembly and the axial direction of the sleeve 101 is increased, the moving speed of the driving assembly in the calandria along the axial direction of the sleeve 101 is reduced, the rotating speed of the sleeve 101 is increased, and the cleaning efficiency of the drill bit 102 on the blocking objects in the calandria is improved; when the rotating shaft 103 and the sleeve 101 slide relatively to the limit position, the rotating angle of the telescopic rod 104 is 90 degrees, the driving assembly does not provide a moving force along the axial direction of the sleeve 101 to the sleeve 101, the moving force is completely converted into a force for driving the sleeve 101 to rotate along the axis of the sleeve 101, the cleaning efficiency of the drill bit 102 on the blocking object is improved to the greatest extent, when the drill bit 102 cleans the current blocking object, the rotating shaft 103 moves in a direction away from the sleeve 101 under the action of the first pressure spring 106, the driving assembly is reset, and advancing power is continuously provided for the drilling mechanism.
In the present embodiment, as shown in fig. 1 and 5, the power mechanisms are divided into a plurality of groups in the axial direction of the sleeve 101, and the number of power mechanisms in each group is at least three and are uniformly arranged in the circumferential direction of the sleeve 101.
Specifically, a plurality of groups of power mechanisms are provided, each group of power mechanisms is provided with at least three power mechanisms, enough power is provided for the drill bit 102, and enough supporting force can be provided for the sleeve 101 through the telescopic rod 104, so that the axis of the sleeve 101 coincides with the axis of the calandria, and the drill bit 102 is positioned at the center of the calandria.
In this embodiment, as shown in fig. 3 and 8, the rotating shaft 103 is provided with sliding grooves 107 extending along the axial direction of the rotating shaft 103, the number and positions of the sliding grooves 107 correspond to the number and positions of the telescopic rods 104 in each group of power mechanisms, each rack plate 108 is disposed on the wall of one sliding groove 107, and the plurality of rack plates 108 are uniformly distributed along the circumferential direction of the rotating shaft 103, so that the plurality of telescopic rods 104 rotate around their own axes in one direction.
Specifically, the fixed end of each set of the telescopic rods 104 provided with the gear 105 slides in one sliding groove 107, and when the rotating shaft 103 slides along the sleeve 101, the rack plate 108 in each sliding groove 107 drives the gear 105 to rotate, and when the rotating direction of each gear 105 is seen along the radial direction of the rotating shaft 103, the rotating direction around the axis of the gear 105 is consistent, so that the first roller 110 moves along the same direction (as shown in fig. 7).
In this embodiment, the radial rotational force provided to the sleeve 101 after rotation of the extension rod 104 causes the sleeve 101 to rotate in a direction that matches the rotational direction of the drill bit 102 when drilling.
In this embodiment, as shown in fig. 1 and 5, each driving assembly includes a bracket 109, a first roller 110, a motor 112 and a belt 113, the bracket 109 is mounted on the telescopic end of the telescopic rod 104, the first roller 110 is rotatably disposed on the bracket 109, the axis of the first roller 110 is perpendicular to the axis of the telescopic rod 104, the motor 112 is mounted on the bracket 109, the belt 113 is disposed on the rotation shaft of the first roller 110 and the output shaft of the motor 112, and the motor 112 is used for driving the first roller 110 to rotate.
Specifically, the first roller 110 is attached to the inner wall of the calandria, when the drill bit 102 is not subjected to resistance, the rotation axis of the first roller 110 is perpendicular to the axis of the sleeve 101, and the sleeve 101 can be driven to move along the axial direction by the friction force between the first roller and the inner wall of the calandria; when the drill bit 102 is subjected to resistance, the first roller 110 rotates under the rotation of the telescopic rod 104, and changes the moving direction, so as to provide a rotating force for the sleeve 101.
In this embodiment, as shown in fig. 2 and 5, each driving assembly further includes a dust cover 111, the dust cover 111 is disposed at one side of the bracket 109, and the rotation shaft of the first roller 110, the belt 113, and the output shaft of the motor 112 are enclosed in the dust cover 111.
Specifically, the dust cover 111 can effectively avoid the reduction or even failure of the transmission efficiency of the motor 112 to the first roller 110 caused by the impurities in the calandria.
Specifically, when the drill bit 102 encounters resistance, the first roller 110 drives the sleeve 101 to rotate through the telescopic rod 104, the sleeve 101 drives the drill bit 102 to rotate, and the drill bit 102 can cut and crush the barriers.
In this embodiment, as shown in fig. 1 and 2, the cable calandria dredging device further includes a shaking mechanism, where the shaking mechanism includes a supporting disc 115, a transverse plate 116, a tension spring 117 and a guiding component, where the supporting disc 115 and the sleeve 101 are coaxially arranged, the transverse plate 116 is installed on the circumferential surface of the supporting disc 115, the transverse plate 116 is horizontally arranged below the sleeve 101, two side surfaces of the transverse plate 116 are in contact with the inner wall of the calandria, one end of the tension spring 117 is arranged on one surface of the supporting disc 115 close to the sleeve 101, the other end of the tension spring 117 is arranged on one end surface of the sleeve 101 far from the drill bit 102, and the supporting disc 115 and the sleeve 101 can rotate relatively; the guide assembly is used for controlling the support disc 115 to move along the axial direction of the calandria; a second compression spring 114 is provided in the telescopic link 104 for jacking up the drilling mechanism by pressing the second compression spring 114 when the first roller 110 rotates onto the traverse 116.
Specifically, the telescopic rod 104 is in an extended state under the action of the second pressure spring 114, and the first roller 110 is attached to the inner wall of the calandria by the axial force of the telescopic rod 104; when the drill bit 102 receives resistance, the first roller 110 moves along the circumferential direction of the inner wall of the calandria to drive the sleeve 101 to rotate, when the sleeve 101 rotates, the supporting disc 115 cannot rotate under the action of the guide component, when the first roller 110 rotates to the transverse plate 116, the first roller 110 compresses the telescopic rods 104, the second pressure springs 114 are compressed, at the moment, the balance of the supporting force of the sleeve 101 by the telescopic rods 104 is broken, the second pressure springs 114 in the telescopic rods 104 corresponding to the first roller 110 on the transverse plate 116 apply a force to the sleeve 101, which is far away from the first roller 110 along the axial direction of the telescopic rods 104, so that the axis of the sleeve 101 is not overlapped with the axis of the calandria any more, shake is generated, and when the sleeve 101 shakes, the tension springs 117 are driven to bend.
In this embodiment, the guiding component includes a fixing rod 118, a second roller 119 and a third pressure spring 120, a fixing block 128 is disposed on a surface of the support disc 115 far away from the tension spring 117, a first sliding hole 121 is formed in the fixing block 128 along a radial direction of the sleeve 101, the fixing rod 118 is slidably disposed in the first sliding hole 121, the second roller 119 is rotatably disposed at one end of the fixing rod 118 far away from the fixing block 128, a rotation shaft of the second roller 119 is perpendicular to a calandria axis, the third pressure spring 120 is disposed in the first sliding hole 121, and two ends of the third pressure spring 120 are connected with the fixing rod 118 and the fixing block 128 respectively.
Specifically, when the first roller 110 drives the sleeve 101 to move along the axial direction of the calandria, the tension spring 117 drives the supporting disc 115 to move simultaneously, the second roller 119 is always abutted against the inner wall of the calandria under the action of the third compression spring 120, and under the friction force of the second roller 119 abutted against the inner wall of the calandria, the supporting disc 115 cannot rotate along the axis of the supporting disc, so that the transverse plate 116 is always located below the sleeve 101.
In this embodiment, as shown in fig. 4, a limiting ring 122 is installed at one end of the peripheral surface of the drill bit 102 near the rotating shaft 103, the limiting ring 122 is provided with a protrusion along the radial direction thereof, a second sliding hole 123 is formed in the protrusion along the radial direction of the rotating ring, a scraper 124 is slidably arranged in the second sliding hole 123, and the scraper 124 is used for scraping impurities on the inner wall of the calandria; a fourth compression spring 125 is arranged in the second sliding hole 123, and two ends of the fourth compression spring 125 are respectively contacted with the scraping plate 124 and the limiting ring 122.
Specifically, the scraping plate 124 is always abutted against the inner wall of the calandria under the action of the fourth pressure spring 125, when the sleeve 101 rotates to drive the drill bit 102 to rotate, the drill bit 102 drives the limiting ring 122 to rotate, and the scraping plate 124 can clear the calandria at a position where the drill bit 102 cannot contact.
In this embodiment, as shown in fig. 1, the outer circumferential surface of the sleeve 101 is provided with a plurality of limiting plates 126 extending along the axial direction of the sleeve 101, the limiting plates 126 are uniformly distributed around the circumferential direction of the sleeve 101, the telescopic end of each telescopic rod 104 penetrates through one limiting plate 126, and two supporting ribs 127 with two ends for connecting the limiting plates 126 are arranged between two adjacent limiting plates 126, so that the reinforcing effect is achieved.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (9)
1. A cable duct bank dredging device, comprising:
the drilling mechanism comprises a sleeve, a rotating shaft, a first pressure spring and a drill bit; the sleeve is slidably arranged in the calandria along the extending direction of the axis of the calandria, the rotating shaft is coaxial with the sleeve, the rotating shaft is slidably arranged in the sleeve along the axial direction of the sleeve, the first pressure spring is arranged in the sleeve, and two ends of the first pressure spring are respectively connected with the rotating shaft and the sleeve; the drill bit is arranged at one end of the rotating shaft, faces the sleeve along the sliding direction of the calandria, and can push the rotating shaft to slide in the sleeve when encountering resistance;
the telescopic rod is provided with a fixed end and a telescopic end, the fixed end of the telescopic rod penetrates through the sleeve and extends in the radial direction of the sleeve, and the telescopic rod can rotate relative to the sleeve along the axis of the telescopic rod; the driving component is arranged at the telescopic end of the telescopic rod, acts on the inner wall of the calandria and is used for driving the sleeve to move along the axial direction of the calandria and rotate along the circumferential direction of the calandria;
each driving component comprises a support, a first roller, a motor and a belt, wherein the support is arranged at the telescopic end of the telescopic rod, the first roller is rotatably arranged on the support, the axis of the first roller is perpendicular to the axis of the telescopic rod, the motor is arranged on the support, the belt is arranged on the rotating shaft of the first roller and the output shaft of the motor, and the motor is used for driving the first roller to rotate;
the steering mechanism comprises a plurality of gears and a plurality of rack plates, the gears are arranged in the sleeve, and each gear is correspondingly arranged on the fixed end of one telescopic rod; the rack plates are arranged on the rotating shaft, each rack plate is correspondingly meshed with one gear and used for driving the telescopic rod to rotate, the driving assembly rotates to provide rotating force along the circumferential direction of the calandria for the sleeve, and the rotating angle of the telescopic rod is smaller than or equal to 90 degrees.
2. The cable duct bank dredging device according to claim 1, wherein the power mechanisms are divided into a plurality of groups along the axial direction of the sleeve, and the number of the power mechanisms in each group is at least three and the power mechanisms are uniformly distributed along the circumferential direction of the sleeve.
3. The cable duct bank dredging device according to claim 2, wherein the rotating shaft is provided with sliding grooves extending along the axial direction of the rotating shaft, the number and the positions of the sliding grooves correspond to those of the telescopic rods in each group of power mechanisms, each rack plate is arranged on the wall of one sliding groove, and the plurality of rack plates are uniformly distributed along the circumferential direction of the rotating shaft and used for enabling the plurality of telescopic rods to rotate along one direction around the axis of the telescopic rods.
4. A cable duct pull through according to claim 3 wherein the radial rotational force provided to the sleeve after rotation of the telescopic rod causes the sleeve to rotate in a direction which is coincident with the direction of rotation of the drill bit when drilling.
5. The cable duct bank dredging device of claim 1, wherein each drive assembly further comprises a dust cover disposed on one side of the bracket and wrapping the rotational shaft of the first roller, the belt and the output shaft of the motor within the dust cover.
6. The cable calandria dredging device according to claim 1, further comprising a shaking mechanism, wherein the shaking mechanism comprises a supporting disc, a cross plate, a tension spring and a guide assembly, the supporting disc and the sleeve are coaxially arranged, the cross plate is arranged on the peripheral surface of the supporting disc, the cross plate is horizontally arranged below the sleeve, two side surfaces of the cross plate are in contact with the inner wall of the calandria, one end of the tension spring is arranged on one surface, close to the sleeve, of the supporting disc, the other end of the tension spring is arranged on one end surface, far away from the drill bit, of the sleeve, and the supporting disc and the sleeve can rotate relatively; the guide assembly is used for controlling the support disc to move along the axial direction of the calandria; the second pressure spring is arranged in the telescopic rod and used for jacking the drilling mechanism up by extruding the second pressure spring when the first roller rotates to the transverse plate.
7. The cable duct bank dredging device of claim 6, wherein the guide assembly comprises a fixing rod, a second roller and a third pressure spring, a fixing block is arranged on one surface, far away from the tension spring, of the supporting disc, a first sliding hole is formed in the fixing block along the radial direction of the sleeve, the fixing rod is arranged in the first sliding hole in a sliding mode, the second roller is rotatably arranged at one end, far away from the fixing block, of the fixing rod, a rotating shaft of the second roller is perpendicular to the axis of the duct bank, the third pressure spring is arranged in the first sliding hole, and two ends of the third pressure spring are connected with the fixing rod and the fixing block respectively.
8. The cable duct dredging device according to claim 1, wherein a limiting ring is arranged at one end, close to the rotating shaft, of the peripheral surface of the drill bit, a bulge is arranged on the limiting ring along the radial direction of the limiting ring, a second sliding hole is formed in the bulge along the radial direction of the rotating ring, a scraping plate is arranged in the second sliding hole in a sliding mode, and the scraping plate is used for scraping impurities on the inner wall of the duct; a fourth pressure spring is arranged in the second sliding hole, and two ends of the fourth pressure spring are respectively contacted with the scraping plate and the limiting ring.
9. The cable duct bank dredging device according to claim 1, wherein limiting plates extending along the axial direction of the sleeve are arranged on the outer peripheral surface of the sleeve, the limiting plates are arranged in a plurality, the cable duct bank dredging device is evenly distributed around the circumference of the sleeve, the telescopic end of each telescopic rod penetrates through one limiting plate, and supporting ribs with two ends used for connecting the limiting plates are arranged between two adjacent limiting plates.
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| CN202310820148.9A CN116550705B (en) | 2023-07-06 | 2023-07-06 | Cable calandria pull throughs |
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| CN202310820148.9A CN116550705B (en) | 2023-07-06 | 2023-07-06 | Cable calandria pull throughs |
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