CN110165606B

CN110165606B - Pulley for threading cable convenient for clamping cable

Info

Publication number: CN110165606B
Application number: CN201910486279.1A
Authority: CN
Inventors: 辛开兵; 辛光亮; 何加忠; 彭广云
Original assignee: Hefei Ruixin E Commerce Co Ltd
Current assignee: Zhanjiang Zhuoyue Power Equipment Co.,Ltd.
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-11-10
Anticipated expiration: 2039-06-05
Also published as: CN110165606A

Abstract

The invention discloses a pulley for cable pipe penetration, which is convenient for cable clamping and relates to the technical field of cable pipe penetration equipment, and comprises a trolley body and rollers arranged on the trolley body; the trolley body comprises a head part and a tail part which are provided with bearing rings, the bearing rings are provided with three first through holes which are arranged in an annular array, a supporting rod is connected between the bearing rings at the head part and the tail part of the trolley body, three trundles are arranged on the bearing rings, each trundle comprises a foot rod which is radially arranged in the first through hole in a penetrating manner along the bearing ring, each idler wheel is arranged at the outer end of each foot rod, and the inner ends of the foot rods are connected with adjusting mechanisms for changing the rod lengths outside the foot rods; and a second linkage rod is connected between each foot rod at the head part and each foot rod at the tail part of the vehicle body, and a cable clamping device detachably connected with the vehicle body is arranged at the tail part of the vehicle body. According to the invention, the cable clamping device is detachably mounted at the tail part of the pulley in a separated manner, so that the cable clamping speed is greatly increased, and the cable tube penetrating efficiency is obviously improved.

Description

Pulley for threading cable convenient for clamping cable

Technical Field

The invention relates to the technical field of cable poling equipment, in particular to a pulley for cable poling, which is convenient for cable clamping.

Background

Cables are a generic term for electric wires, optical cables, electric cables and the like. The cable has many purposes, is mainly used for controlling installation, connecting equipment, transmitting electric power and other multiple functions, and is a common and indispensable object in social development and daily life. In order to prevent the cable from being damaged by external factors and the arrangement regularity of the cable, the cable is generally required to be penetrated into a protection pipe for protection, in practical application, due to the uncertainty of the installation position of the cable penetrating pipe, the problems of low construction efficiency, long time consumption, large manpower output and the like are caused when the cable is laid by manpower and a threading device in the prior art, the surface smoothness of a part where the threading device assists the cable to penetrate the pipe is poor, the surface layer abrasion phenomenon occurs when the cable penetrates the pipe, the pipe penetrating work becomes more difficult, so that the lubrication is sometimes required to be enhanced, talcum powder or industrial vaseline is smeared on a pipe opening and the threading device, but under the conditions of long pipe penetrating length, large cable caliber and poor pipe internal environment (sundries, sewage and the like), the obtained effect is not good, if other penetrated cables exist in the pipe, the resulting obstruction is not favorable for cable penetration, and the final result is that the cable often appears the phenomenon of blocking when the pipe is penetrated, seriously influencing the construction progress of cable pipe penetration.

In the prior art, patent application with publication number CN207782299U discloses a cable tractor, which comprises a vehicle body, support arms, a torsion spring, a storage battery, a control chip, a cable buckle and a remote controller, wherein the support arms are arranged at two sides of the vehicle body, and the torsion spring is arranged between the vehicle body and the support arms; one end of the supporting arm is provided with a coaxial double gear, the other end of the supporting arm is provided with a roller wheel, the roller wheel is provided with a synchronous gear, one end of the vehicle body is provided with a motor and a driving gear, the driving gear is in transmission connection with the double gear, and the roller wheel is in transmission connection with the other gear of the double gear; the control chip is connected with the motor and the storage battery and is provided with a signal receiver; the cable is buckled at the rear end of the vehicle body, and the remote controller is in signal connection with the control chip to control the vehicle to walk. The tractor in this application can pull the cable better and carry out the poling, but the cable on this tractor is detained as an organic whole with the automobile body, can not dismantle the separation, and in actual operation, because the difference of cable specification, size, quantity, it is inconvenient in fact to hold the tractor and carry out the clamping to the cable, is influencing the efficiency of cable poling greatly.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a pulley for cable pipe penetration, which is convenient for cable clamping.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a pulley for cable pipe penetration convenient for cable clamping comprises a pulley body and rollers arranged on the pulley body;

the trolley body comprises a head part and a tail part which are provided with bearing rings, the bearing rings are provided with three first through holes which are arranged in an annular array, a supporting rod is connected between the bearing rings at the head part and the tail part of the trolley body, three trundles are arranged on the bearing rings, each trundle comprises a foot rod which is radially penetrated and arranged in the first through hole along the bearing ring, the idler wheels are arranged at the outer ends of the foot rods, and the inner ends of the foot rods are connected with an adjusting mechanism for changing the rod length outside the foot rods; a second linkage rod is connected between each foot rod at the head part and each foot rod at the tail part of the vehicle body, and a cable clamping device detachably connected with the vehicle body is arranged at the tail part of the vehicle body;

the cable clamping device comprises an annular clamping piece, wherein at least two second through holes are formed in the clamping piece, the second through holes are arranged along the clamping piece in an annular array mode, a pull rod penetrates through the second through holes along the radial direction of the clamping piece, a pressing piece is arranged at the inner end of the pull rod, and a first spring is arranged between the pressing piece and an inner ring of the clamping piece; the joint spare includes the latch that its tip was equipped with to correspond in the carrier ring on automobile body afterbody and be equipped with the card chamber, be equipped with the wedge card key that mutually supports with the latch in the card chamber, the card key lateral part is connected with the second spring, and the inclined plane end of card key is towards the latch, and the carrier ring outside has been seted up a hole, a hole and card chamber intercommunication, and the extension of card key top has the lug, and the lug is worn to establish a hole to the carrier ring outside.

As a further explanation of the above technical solution:

above-mentioned adjustment mechanism is including setting up the base on the bracing piece, and the base lateral part is connected with the screw rod perpendicularly, and the cover is equipped with the nut on the screw rod, and the annular has been seted up to the nut lateral part, and the embedded three slider that is equipped with annular matched with of annular, three slider with three foot bar one-to-one on the carrier ring is provided with first gangbar on the slider, and first gangbar one end articulates in the slider outside, and the first gangbar other end is articulated with above-mentioned foot bar inner.

As a further explanation of the above technical solution:

and a rubber wheel sleeve is sleeved outside the roller wheel hub.

As a further explanation of the above technical solution:

the base is movably arranged on the supporting rod, and the base slides along the length direction of the supporting rod and can be adjusted and fixed; specifically, the base is sleeved on the support rod, a threaded counter bore is formed in the bottom of the base, and a bolt is connected in the threaded counter bore in a matched mode.

As a further explanation of the above technical solution:

a handle is arranged at the outer end of the pull rod; the pressing sheet is approximately arc-shaped and comprises a metal sheet connected with the pull rod into a whole, a concave cavity is formed in the bottom of the metal sheet, a rubber sheet is embedded in the concave cavity and comprises an anti-skid protrusion arranged at the bottom of the rubber sheet.

Compared with the prior art, the method has the following beneficial effects: the traction tackle is simple in structure, the triangular trundle type is abutted to the inner wall of the pipe penetrating, the cable can be well clamped for pipe penetrating, friction between the head of the cable and the inner part of the pipe penetrating is greatly reduced, and the problems of low cable laying efficiency such as abrasion, bending and blocking of the cable in the pipe penetrating process can be solved, and the traction tackle is adopted for smooth pipe penetrating of the cable, high in efficiency and mainly comprises the following components: the cable clamping device is detachably arranged at the tail of the pulley in a separated mode, and two operations of clamping the cable and installing the pulley into the pipe penetrating are carried out simultaneously, so that the efficiency of the cable pipe penetrating is greatly accelerated, and in addition, the cable clamping device has the following advantages:

(1) due to the special triangular caster type structural design of the traction tackle, a neutral position exists between adjacent casters, and even if other cables which are already penetrated exist in the pipe, the other cables are positioned under the neutral position and do not influence the pipe penetrating work of the cable of the traction tackle;

(2) the utility model provides a traction tackle can adjust the truckle in the structure according to the poling of different specification and dimension, makes its cable poling that can be suitable for different types, pipe diameter, has showing the adaptability and the practicality that have improved traction tackle.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view schematic of the structure of FIG. 1 (vehicle body head);

FIG. 3 is a side view of the nut of FIG. 1;

FIG. 4 is a schematic view of the connection of the bolt to the base of FIG. 1;

FIG. 5A is a left side view of the structural schematic of FIG. 1 (aft body);

FIG. 5B is a schematic right view of the structure of FIG. 1 (aft body);

FIG. 6 is a schematic view of the structure of the wafer of FIG. 1;

FIG. 7 is a schematic view of the internal structure of the cartridge of FIG. 1;

FIG. 8 is a diagrammatic view of the latch of FIG. 1;

labeled as: 1. a vehicle body; 11. a load ring; 111. a card cavity; 112. a card key; 113. a second spring; 114. a bar hole; 115. a bump; 12. a support bar; 13. a caster wheel; 131. a foot bar; 132. a roller; 2. an adjustment mechanism; 21. a base; 22. a screw; 23. a nut; 24. a ring groove; 25. a slider; 26. a first linkage rod; 27. a second linkage rod; 28. a threaded counter bore; 29. a bolt; 3. a cable holding device; 31. a clamping piece; 311. clamping teeth; 32. a pull rod; 33. tabletting; 34. a first spring; 35. a handle; 36. a metal sheet; 37. a concave cavity; 38. a rubber sheet; 39. anti-skid projections; 4. and (5) pipe penetration.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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.

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection can be mechanical connection or circuit connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.

Referring to fig. 1-3, a pulley for threading cables for facilitating cable clamping is structured as follows:

the trolley comprises a frame type trolley body 1, wherein the trolley body 1 comprises bearing rings 11 arranged at the head and the tail of the trolley body, three first through holes (not shown) arranged in an annular array are formed in the bearing rings 11, supporting rods 12 are connected between the bearing rings 11 at the head and the tail, three trundles 13 are arranged on the bearing rings 11, each trundle 13 comprises a foot rod 131 radially penetrating into the first through hole along the bearing ring 11, specifically, the three foot rods 131 are distributed in an equilateral triangle on the bearing rings 11, rollers 132 are arranged at the outer ends of the foot rods 131, and the inner ends of the foot rods 131 are connected with an adjusting mechanism 2 for changing the length of the outer rods of the foot rods 131;

specifically, the adjusting mechanism 2 includes a base 21 disposed on the supporting rod 12, a screw 22 is vertically connected to the left portion (i.e., one side close to the head of the vehicle body 1) of the base 21, a nut 23 is disposed on the screw 22 through a threaded connection sleeve, a ring groove 24 is disposed on the side portion of the nut 23, three annular array sliders 25 matched and connected with the ring groove 24 are embedded in the ring groove 24, specifically, the three sliders 25 correspond to three foot rods 131 on the opposite bearing ring 11 one by one, a first linkage rod 26 is disposed on the sliders 25, one end of the first linkage rod 26 is hinged to the outside of the sliders 25, the other end of the first linkage rod 26 is hinged to the inner ends of the foot rods 131, and the two ends of the first linkage rod 26 are hinged as; a second link rod 27 is connected between each of the head leg rods 131 and each of the tail leg rods 131 of the vehicle body 1.

The operation of the above-mentioned adjusting mechanism 2 is as follows: the pipe diameter of the pipe penetrating 4 is large, the foot rods 131 on the traction tackle need to extend outwards so that the rollers 132 can be abutted to the inner wall of the pipe penetrating 4, at the moment, the nuts 23 are rotated to move leftwards along the rod length of the screw rods 22, the sliding blocks 25 in the ring grooves 24 push the bottom ends of the first linkage rods 26, the top ends of the first linkage rods push the corresponding foot rods 131 to penetrate out of the first through holes, the outer foot rods 131 of the head bearing ring 11 of the trolley body 1 are extended, due to the connection relationship of the second linkage rods 27, the outer foot rods 131 connecting the tail bearing ring 11 of the trolley body 1 are also extended, and then the front and rear six trundles 13 on the traction tackle can be abutted to the specific pipe penetrating 4 in a matching manner; secondly, the pipe diameter of the through pipe 4 is small, the foot rods 131 on the traction tackle need to extend inwards, the length of the foot rods 131 outside the bearing ring 11 needs to be shortened, at the moment, the nuts 23 are rotated to enable the foot rods to move rightwards along the rod length of the screw rods 22, the sliding blocks 25 in the ring grooves 24 pull the bottom ends of the first linkage rods 26, the top ends of the first linkage rods pull the corresponding foot rods 131 to penetrate through the first through holes, the foot rods 131 outside the head bearing ring 11 of the trolley body 1 are shortened, due to the connection relationship of the second linkage rods 27, the foot rods 131 outside the tail bearing ring 11 of the trolley body 1 are also shortened, and then six front and rear casters 13 on the traction tackle can be matched and abutted to the through pipe 4 with a specific pipe.

As shown in fig. 5A and 5B, the cable clamping device 3 is detachably connected to the rear bearing ring 11 of the vehicle body 1, the cable clamping device 3 includes an annular clip member 31, the clip member 31 is provided with at least two second through holes (not shown), specifically, the number of the second through holes can be increased or decreased according to the actual requirement in an modular manner, the second through holes in fig. 5A are provided with two, as another embodiment, three second through holes are provided in fig. 5B, the second through holes are arranged along the clip member 31 in an annular array, a pull rod 32 is radially inserted into the second through holes along the clip member 31, the inner end of the pull rod 32 is connected with a pressing piece 33, a first spring 34 is arranged between the pressing piece 33 and the inner ring of the clip member 31, and a pull handle 35 is connected to the outer end of the pull rod 32, and an operator pulls the pull handle 35 to make the pressing piece 33 press the first spring 34, so that the clamping space between the pressing sheet 33 and the pressing sheet 33 is increased, and cables with different diameters can be conveniently clamped on the pulley.

As shown in fig. 7 to 8, the above-mentioned detachable connection is specifically as follows: the clamping piece 31 comprises a clamping tooth 311 arranged at the front end (close to one end of the vehicle body 1), a clamping cavity 111 is correspondingly arranged in the bearing ring 11 at the tail part of the vehicle body 1, a wedge-shaped clamping key 112 matched with the clamping tooth 311 is arranged in the clamping cavity 111, a second spring 113 is connected to the side part of the clamping key 112, the inclined end of the clamping key 112 faces the clamping tooth 311, a strip hole 114 is formed in the outer part of the bearing ring 11, the strip hole 114 is communicated with the clamping cavity 111, a convex block 115 extends from the top of the clamping key 112, and the convex block 115 penetrates through the strip hole 114 to the outer side of the bearing ring 11;

during operation, the clamping piece 31 is inserted into the clamping cavity 111, the latch 311 on the clamping piece 31 pushes the wedge-shaped clamping key 112, so that the clamping key 112 moves towards the position of the second spring 113 until the latch 311 is matched and abutted with the clamping key 112, at the moment, the clamping piece 31 is fixedly connected with the vehicle body 1, and the cable clamping device 3 is installed on the tail part of the vehicle body 1; when the clamping device needs to be unlocked and separated from the vehicle body 1, the second spring 113 drives the latch 112 to move only by pulling the projection 115 on the latch 112 along the direction of the position of the second spring 113, so that the latch 311 is disengaged from the latch 112, and the clamping member 31 can be taken out; the purpose of connecting the clamping piece 31 and the vehicle body 1 in the above way is as follows: before poling 4, fix the cable centre gripping to cable clamping device 3 in advance, treat that the coaster of pulling passes through 2 cooperations of adjustment mechanism and installs poling 4 mouth of pipe play, peg graft cable clamping device 3 to automobile body 1 again on, convenient and fast, the subsection goes on simultaneously, can improve cable poling 4 efficiency greatly.

Based on the foregoing, the roller 132 mounted at the outer end of the foot rod 131 is a directional roller 132, and a rubber wheel sleeve (not shown) is sleeved outside the hub of the roller 132 for increasing the friction force of the roller 132 in the inner wall of the penetrating pipe 4.

Based on the foregoing, as shown in fig. 4, the base 21 is movably connected to the supporting rod 12, the movable connection mode is that the base 21 slides along the length direction of the supporting rod 12 and can be adjusted and fixed, specifically, the base 21 is sleeved on the supporting rod 12, the bottom of the base 21 is provided with the threaded counter bore 28, the threaded counter bore 28 is connected with the bolt 29 in a matching manner, through rotating the bolt 29, the top end of the bolt can be abutted to the rod body of the supporting rod 12, and further the fixing of the base 21 on the supporting rod 12 is realized, the purpose of the structural design is to widen the rotation range of the first linkage rod 26, and further the upper limit of the expansion length of the foot rod 131 is increased, so as to be suitable for the penetrating pipes 4 with more.

Based on the foregoing, referring to fig. 6, the first pressing plate 33 includes a metal plate 36 connected with the first pull rod 32, a cavity 37 is formed at the bottom of the metal plate 36, a rubber sheet 38 is embedded in the cavity 37, and the rubber sheet 38 includes an anti-slip protrusion 39 arranged at the bottom for increasing the friction force between the pressing plate 33 and the cable and improving the clamping force.

The cable poling pulley of this embodiment's use as follows:

1. the cable clamping device 3 is separated and detached from the tail part of the vehicle body 1 by pulling the convex block 115, and a cable needing to be threaded through the pipe 4 is clamped on the clamping device; on the other side, the traction tackle can be arranged in the through pipe 4 in a matching way through adjusting the adjusting mechanism 2 on the tackle;

2. the cable clamping device 3 is fixedly clamped and installed in the tail bearing ring 11 of the vehicle body 1 through a clamping piece 31, and the cable clamping device 3 is connected with the vehicle body 1 into a whole;

3. manually or/and pushing by a threading device to enable the traction tackle to move along the length direction of the pipe 4 until the traction tackle reaches the outlet of the pipe 4, and the laying of the pipe 4 of the cable is completed;

4. repeating the operation of the step 1.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pulley for cable pipe penetration convenient for cable clamping comprises a pulley body (1) and rollers (132) arranged on the pulley body (1), wherein the pulley body (1) comprises bearing rings (11) arranged at the head and the tail of the pulley body, three first through holes arranged in an annular array are formed in each bearing ring (11), supporting rods (12) are connected between the bearing rings (11) at the head and the tail of the pulley body (1), three casters (13) are arranged on each bearing ring (11), each caster (13) comprises a foot rod (131) radially penetrating into the first through hole along each bearing ring (11), each roller (132) is arranged at the outer end of each foot rod (131), and the inner end of each foot rod (131) is connected with an adjusting mechanism (2) for changing the rod length outside each foot rod (131); a second linkage rod (27) is connected between each foot rod (131) at the head part and each foot rod (131) at the tail part of the vehicle body (1), and a cable clamping device (3) detachably connected with the vehicle body (1) is arranged at the tail part of the vehicle body (1);

the cable clamping device (3) comprises an annular clamping piece (31), at least two second through holes are formed in the clamping piece (31), the second through holes are arranged along the clamping piece (31) in an annular array mode, a pull rod (32) penetrates through the second through holes along the radial direction of the clamping piece (31), a pressing piece (33) is arranged at the inner end of the pull rod (32), and a first spring (34) is arranged between the pressing piece (33) and the inner ring of the clamping piece (31); the clamping piece (31) comprises a clamping tooth (311) arranged at the end part of the clamping piece, a clamping cavity (111) is correspondingly arranged in a bearing ring (11) on the tail part of the vehicle body (1), a wedge-shaped clamping key (112) matched with the clamping tooth (311) is arranged in the clamping cavity (111), a second spring (113) is connected to the side part of the clamping key (112), the inclined plane end of the clamping key (112) faces towards the clamping tooth (311), a strip hole (114) is formed in the outer part of the bearing ring (11), the strip hole (114) is communicated with the clamping cavity (111), a convex block (115) extends from the top of the clamping key (112), and the convex block (115) penetrates through the strip hole (114) to the outer side of the bearing ring (11);

the method is characterized in that: adjustment mechanism (2) is including setting up base (21) on bracing piece (12), and base (21) lateral part is connected with screw rod (22) perpendicularly, and the cover is equipped with nut (23) on screw rod (22), and annular (24) have been seted up to nut (23) lateral part, and annular (24) are embedded be equipped with annular (24) matched with three slider (25), three slider (25) with three foot pole (131) one-to-one on carrier ring (11) is provided with first gangbar (26) on slider (25), and first gangbar (26) one end articulates in slider (25) outside, first gangbar (26) other end with foot pole (131) inner is articulated.

2. A cable threading trolley facilitating cable clamping as claimed in claim 1, wherein a rubber wheel sleeve is sleeved outside the wheel hub of the roller (132).

3. The pulley for cable threading convenient for cable clamping as claimed in claim 2, wherein the base (21) is movably arranged on the support rod (12), and the base (21) slides along the length direction of the support rod (12) and is adjustable and fixed.

4. The pulley convenient for cable threading for cable clamping as claimed in claim 3, wherein the base (21) is sleeved on the support rod (12), a threaded counter bore (28) is formed at the bottom of the base (21), and a bolt (29) is fittingly connected in the threaded counter bore (28).

5. A cable threading trolley facilitating cable clamping as claimed in claim 4, wherein a handle (35) is provided at the outer end of the pull rod (32).

6. A cable transit trolley to facilitate cable clamping as claimed in claim 5, characterised in that the squash (33) is substantially arcuate in shape.

7. The pulley convenient for cable threading for cable clamping as claimed in claim 6, wherein the pressing plate (33) comprises a metal plate (36) integrated with the pull rod (32), a cavity (37) is formed at the bottom of the metal plate (36), and a rubber sheet (38) is embedded in the cavity (37).

8. A cable transit tackle as claimed in claim 7, wherein the rubber portion (38) includes a bottom portion with anti-slip projections (39).