CN216981353U

CN216981353U - Cable prestretches device for electric power construction

Info

Publication number: CN216981353U
Application number: CN202220679837.3U
Authority: CN
Inventors: 牛远行
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-07-15
Anticipated expiration: 2032-03-25

Abstract

The utility model relates to the technical field of cables and discloses a cable pre-tensioning device for electric power construction. This cable pretension device for electric power construction, the staff passes through the cooperation of sheave and self-locking piece, the sheave receives the drive of motor and transmission shaft to rotate, make the sheave carry out anticlockwise rotation, make sheave pivoted in-process touch the self-locking piece, after the tensioning completion of cable main part, sheave anticlockwise rotation touches the self-locking piece, a groove that the sheave surface is close to the self-locking piece carries out the overlap joint with the self-locking piece, carry out the auto-lock through the self-locking piece and handle the sheave, steady state when keeping taut, self-locking piece top is provided with the spring leaf simultaneously, improve the stability of self-locking piece through the spring leaf, prevent that the self-locking piece from droing from the inslot portion on sheave surface, reach the effect that improves the taut stability of cable main part.

Description

Cable prestretches device for electric power construction

Technical Field

The utility model relates to the technical field of cables, in particular to a cable pre-tensioning device for electric power construction.

Background

Cable is a generic term for optical cables, electrical cables, and the like. The cable has multiple purposes, is mainly used for controlling installation, connecting equipment, transmitting electric power and the like, is a common and indispensable object in daily life, needs to be installed carefully due to electrification of the cable, and is mainly formed by processing PVC plastic particles into sheath insulation and twisting copper wires with various specifications into a cable.

At present in the electric power construction process, need install the use to the cable, need use during the installation and carry out the pretensioning device that fixes with the ground fixed point and take up the cable, and then be in the state of tightening after making the cable installation, the cable pretensioning device of prior art is when using, the cable does not have the effect of auto-lock after taking up in advance for the cable is unstable after taking up in advance, it is relatively poor to lead to the cable effect of taking up in advance, consequently, need for a cable pretensioning device for electric power construction.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the cable pre-tensioning device for electric power construction, which has the advantage of improving the cable tensioning stability and solves the problem of instability during cable tensioning in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the cable pre-tensioning device for electric power construction comprises a tensioning block, wherein a clamping block is fixedly connected to one side of the top of the tensioning block, a cable main body is arranged inside the tensioning block, and a stable structure is arranged inside the tensioning block.

The stable structure includes sheave, fixed block, loose axle, self-locking piece, spring leaf, the sheave sets up inside straining the piece, the fixed block sets up in straining piece one side, fixed block one side outer wall and straining one side inner wall fixed connection, the loose axle sets up inside the fixed block, the self-locking piece sets up in fixed block one side outer wall, the inside and loose axle outer wall swing joint of self-locking piece, the self-locking piece passes through loose axle fixed connection with the fixed block, the spring leaf sets up in the fixed block top, spring leaf bottom and self-locking piece top swing joint, self-locking piece one side outer wall and sheave outer wall swing joint.

The stability of self-locking piece is improved through the spring leaf, prevents that the self-locking piece from droing from the inslot portion on sheave surface, through the cooperation of fixed block and loose axle, makes the self-locking piece carry out normal operation.

Preferably, taut piece one side outer wall fixedly connected with protection casing, the inside motor that is provided with of protection casing, motor output end fixedly connected with transmission shaft, transmission shaft one end runs through taut piece one side outer wall and extends to inside the taut piece, the transmission shaft sets up in sheave one side, transmission shaft one end and the inside fixed connection of sheave.

The protection casing mainly protects the motor, and the staff rotates through motor drive transmission shaft and sheave, makes the sheave carry out normal operation.

Preferably, one side of the grooved pulley is provided with a driving gear, a first connecting shaft is arranged inside the driving gear, one end of the first connecting shaft penetrates through the interior of the driving gear and extends to the outer wall of one side of the grooved pulley, one end of the first connecting shaft is fixedly connected with the outer wall of one side of the grooved pulley, the outer surface of the driving gear is provided with a triangular belt, one end of the triangular belt far away from the driving gear is provided with a driven gear, a winding wheel is arranged on the outer surface of one side of the driven gear, a second connecting shaft is arranged in the driven gear, one end of the second connecting shaft penetrates through the interior of the driven gear and the interior of the winding wheel in sequence and extends to the outer wall of one side of the winding wheel, the outer wall of the second connecting shaft is fixedly connected with the interior of the driven gear and the interior of the winding wheel, the cable main body is arranged on the outer surface of the winding wheel, and the top end of the cable main body is fixedly connected with the outer surface of the winding wheel.

The grooved wheel drives the driving gear and the driven gear to rotate, and the driven gear drives the winding wheel to rotate, so that the winding wheel tensions the cable main body.

Preferably, a through hole is formed in the bottom of the tensioning block, the inner diameter of the through hole is matched with the outer diameter of the cable main body, and the inner wall of the through hole is movably connected with the outer surface of the cable main body.

Preferably, a threaded hole is formed in the clamping block, a threaded rod is arranged in the threaded hole, the threaded rod extends out of the threaded hole to form a knob, a clamping plate is arranged at one end, away from the knob, of the threaded rod, a placing groove is formed in the clamping block, the clamping plate is arranged in the placing groove, the outer diameter of the clamping plate is matched with the inner diameter of the placing groove, and the outer wall of the clamping plate is movably connected with the inner wall of the placing groove.

Preferably, the clamping plate is internally provided with a rotating groove, the rotating groove is internally provided with a rotating block, one end of the threaded rod penetrates through the clamping plate and extends into the rotating groove, and one end of the threaded rod is fixedly connected with the outer wall on one side of the rotating block.

Preferably, the number of the clamping plates is two, and the two clamping plates are located inside the clamping block and are symmetrically distributed.

Compared with the prior art, the utility model provides a cable pre-tensioning device for electric power construction, which has the following beneficial effects:

1. this cable pretension device for electric power construction, through being provided with stable structure, specifically be when needs carry out the auto-lock to pretension equipment, the staff passes through the cooperation of sheave and self-locking piece, the sheave receives the drive of motor and transmission shaft to rotate, make the sheave carry out counter-clockwise turning, make sheave pivoted in-process touch the self-locking piece, after the taut completion of cable main part, sheave counter-clockwise turning touches the self-locking piece, a groove that the sheave surface is close to the self-locking piece carries out the overlap joint with the self-locking piece, carry out the auto-lock through the self-locking piece to the sheave and handle, steady state when keeping taut, self-locking piece top is provided with the spring leaf simultaneously, improve the stability of self-locking piece through the spring leaf, prevent that the self-locking piece from droing from the inslot portion on sheave surface, reach the effect that improves the taut stability of cable main part.

2. This cable is straining device in advance for electric power construction, through being provided with tight piece of clamp, specifically for the staff runs through tight piece of clamp inside and extend to tight piece inside through cable main part top, then rotate through handheld knob, make the knob rotate and drive the threaded rod and rotate in threaded hole inside, threaded connection through threaded rod and screw hole, make the threaded rod move right in threaded hole inside, the threaded rod moves right the clamp plate that drives its one end, make clamp plate one side outer wall and cable main part outer wall contact, fix the cable main part through the clamp plate, stability when further improving the cable main part and straining, reach the effect that improves the practicality of tensioning equipment.

Drawings

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

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is a side view of the tension block structure of the present invention;

fig. 4 is a perspective view of the structure of the present invention.

Wherein: 1. a tensioning block; 101. a grooved wheel; 102. a fixed block; 103. a movable shaft; 104. a self-locking block; 105. a spring plate; 106. a protective cover; 107. a motor; 108. a drive shaft; 109. a driving gear; 110. a first connecting shaft; 111. a V-belt; 112. a driven gear; 113. a winding wheel; 114. a second connecting shaft; 115. a through hole; 2. a clamping block; 201. a threaded hole; 202. a threaded rod; 203. a knob; 204. a clamping plate; 205. a placement groove; 206. a rotating groove; 207. rotating the block; 3. a cable body.

Detailed Description

The utility model is described in further detail below with reference to figures 1-4.

The embodiment of the utility model discloses a cable pre-tensioning device for power construction. Referring to fig. 1, a cable pre-tensioning device for electric power construction comprises a tensioning block 1, a cable body 3 is arranged inside the tensioning block 1, a stabilizing structure is arranged inside the tensioning block 1, the stabilizing structure comprises a grooved wheel 101, a fixed block 102, a movable shaft 103, a self-locking block 104 and a spring leaf 105, a worker can make the grooved wheel 101 rotate anticlockwise through the matching of the grooved wheel 101 and the self-locking block 104 to make the grooved wheel 101 touch the self-locking block 104 in the rotation process, after the cable body 3 is tensioned, the grooved wheel 101 rotates anticlockwise to touch the self-locking block 104, a groove on the surface of the grooved wheel 101, which is close to the self-locking block 104, is lapped with the self-locking block 104, the grooved wheel 101 is self-locked through the self-locking block 104 to maintain a stable state during tensioning, meanwhile, the spring leaf 105 is arranged on the top of the self-locking block 104, the stability of the self-locking block 104 is improved through the spring leaf 105, and the self-locking block 104 is prevented from falling off from the groove on the surface of the grooved wheel 101, the self-locking block 104 operates normally by the cooperation of the fixed block 102 and the movable shaft 103.

Referring to fig. 3, outer wall fixedly connected with protection casing 106 of one side of tensioning block 1, the inside motor 107 that is provided with of protection casing 106, motor 107 output end fixedly connected with transmission shaft 108, transmission shaft 108 one end runs through tensioning block 1 one side outer wall and extends to inside of tensioning block 1, transmission shaft 108 sets up in sheave 101 one side, transmission shaft 108 one end and the inside fixed connection of sheave 101, protection casing 106 mainly protects motor 107, the staff rotates through motor 107 drive transmission shaft 108 and sheave 101, make sheave 101 carry out normal operation.

Referring to fig. 1, a driving gear 109 is disposed on one side of a sheave 101, a first connecting shaft 110 is disposed inside the driving gear 109, one end of the first connecting shaft 110 penetrates through the driving gear 109 and extends to an outer wall of one side of the sheave 101, one end of the first connecting shaft 110 is fixedly connected with the outer wall of one side of the sheave 101, a triangular belt 111 is disposed on an outer surface of the driving gear 109, a driven gear 112 is disposed on one end of the triangular belt 111 away from the driving gear 109, a winding wheel 113 is disposed on an outer surface of one side of the driven gear 112, a second connecting shaft 114 is disposed inside the driven gear 112, one end of the second connecting shaft 114 sequentially penetrates through the inside of the driven gear 112 and the inside of the winding wheel 113 and extends to an outer wall of one side of the winding wheel 113, outer walls of the second connecting shafts 114 are fixedly connected with the inside of the driven gear 112 and the inside of the winding wheel 113, a cable body 3 is disposed on an outer surface of the winding wheel 113, and a top end of the cable body 3 is fixedly connected with the outer surface of the winding wheel 113, the bottom of the tensioning block 1 is provided with a through hole 115, the first connecting shaft 110 connects the sheave 101 and the driving gear 109 together, the sheave 101 drives the driving gear 109 to rotate, the triangular belt 111 connects the driving gear 109 and the driven gear 112 together, the second connecting shaft 114 connects the driven gear 112 and the take-up wheel 113 together, a worker can drive the driving gear 109 and the driven gear 112 to rotate through the sheave 101 by penetrating the top end of the cable main body 3 through the through hole 115 and extending to the outer surface of the take-up wheel 113, the driven gear 112 drives the take-up wheel 113 to rotate, and the take-up wheel 113 can tension the cable main body 3.

Referring to fig. 1 and 4, a threaded hole 201 is formed in the clamping block 2, a threaded rod 202 is arranged in the threaded hole 201, a knob 203 is fixedly connected to one end of the threaded rod 202, which extends out of the threaded hole 201, a clamping plate 204 is arranged at one end of the threaded rod 202, which is far away from the knob 203, a placing groove 205 is formed in the clamping block 2, the clamping plate 204 is arranged in the placing groove 205, the outer diameter of the clamping plate 204 is matched with the inner diameter of the placing groove 205, the outer wall of the clamping plate 204 is movably connected with the inner wall of the placing groove 205, a worker holds the knob 203 to rotate, so that the knob 203 rotates to drive the threaded rod 202 to rotate in the threaded hole 201, the threaded rod 202 is connected with the threaded hole 201 through threads of the threaded rod 202, the threaded rod 202 moves rightwards in the threaded hole 201, the threaded rod 202 moves rightwards to drive the clamping plate 204 at one end thereof to move rightwards, so that the two clamping plates 204 move oppositely or oppositely, and further, one side outer wall of the clamping plate 204 is contacted with the outer wall of the cable body 3, the cable main body 3 is fixed by the clamp plate 204, and the stability of the cable main body 3 when it is tightened is further improved.

Referring to fig. 2, a rotating groove 206 is formed in the clamping plate 204, a rotating block 207 is arranged in the rotating groove 206, one end of the threaded rod 202 penetrates through the clamping plate 204 and extends into the rotating groove 206, one end of the threaded rod 202 is fixedly connected with the outer wall of one side of the rotating block 207, and the threaded rod 202 is more stable when driving the clamping plate 204 to move through the matching of the rotating groove 206 and the rotating block 207, so that the threaded rod 202 and the clamping plate 204 can normally operate.

The implementation principle of the cable pre-tensioning device for power construction provided by the embodiment of the utility model is as follows: when the pre-tensioning equipment needs to be subjected to self-locking, a worker rotates the sheave 101 under the driving of the motor 107 and the transmission shaft 108 through the matching of the sheave 101 and the self-locking block 104, so that the sheave 101 rotates anticlockwise, the sheave 101 touches the self-locking block 104 in the rotating process, after the cable body 3 is tensioned, the sheave 101 rotates anticlockwise and touches the self-locking block 104, a groove on the surface of the sheave 101, which is close to the self-locking block 104, is lapped with the self-locking block 104, the sheave 101 is subjected to self-locking treatment through the self-locking block 104, the stable state during tensioning is kept, meanwhile, the spring piece 105 is arranged at the top of the self-locking block 104, the stability of the self-locking block 104 is improved through the spring piece 105, the self-locking block 104 is prevented from falling from the inside of the groove on the surface of the sheave 101, and the stability of the cable body 3 during tensioning is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cable pretension device for electric power construction, includes tensioning block (1), its characterized in that: a clamping block (2) is fixedly connected to one side of the top of the tensioning block (1), a cable main body (3) is arranged inside the tensioning block (1), and a stable structure is arranged inside the tensioning block (1);

the stabilizing structure comprises a grooved wheel (101), a fixed block (102), a movable shaft (103), a self-locking block (104) and a spring piece (105), the grooved wheel (101) is arranged in the tensioning block (1), the fixed block (102) is arranged on one side of the tensioning block (1), the outer wall of one side of the fixed block (102) is fixedly connected with the inner wall of one side of the tensioning block (1), the movable shaft (103) is arranged inside the fixed block (102), the self-locking block (104) is arranged on the outer wall of one side of the fixed block (102), the interior of the self-locking block (104) is movably connected with the outer wall of the movable shaft (103), the self-locking block (104) is fixedly connected with the fixed block (102) through the movable shaft (103), the spring piece (105) is arranged on the top of the fixed block (102), the bottom of the spring piece (105) is movably connected with the top of the self-locking block (104), the outer wall of one side of the self-locking block (104) is movably connected with the outer wall of the grooved wheel (101).

2. The cable pre-tensioning device for power construction as claimed in claim 1, wherein: tensioning block (1) one side outer wall fixedly connected with protection casing (106), inside motor (107) that is provided with of protection casing (106), motor (107) output end fixedly connected with transmission shaft (108), transmission shaft (108) one end is run through tensioning block (1) one side outer wall and is extended to tensioning block (1) inside, transmission shaft (108) set up in sheave (101) one side, transmission shaft (108) one end and sheave (101) inside fixed connection.

3. The cable pre-tensioning device for power construction as claimed in claim 1, wherein: sheave (101) one side is provided with driving gear (109), driving gear (109) inside is provided with first connecting axle (110), first connecting axle (110) one end runs through driving gear (109) inside and extends to sheave (101) one side outer wall, first connecting axle (110) one end and sheave (101) one side outer wall fixed connection, driving gear (109) surface is provided with V belt (111), V belt (111) are kept away from driving gear (109) one end and are provided with driven gear (112), driven gear (112) one side outer surface is provided with wind-up wheel (113), driven gear (112) inside is provided with second connecting axle (114), second connecting axle (114) one end runs through driven gear (112) inside and wind-up wheel (113) inside in proper order and extend to wind-up wheel (113) one side outer wall, second connecting axle (114) outer wall all with driven gear (112) inside and wind-up wheel (113) inside fixed connection axle (114) And the cable main body (3) is arranged on the outer surface of the winding wheel (113), and the top end of the cable main body (3) is fixedly connected with the outer surface of the winding wheel (113).

4. The cable pre-tensioning device for power construction as claimed in claim 1, wherein: the cable is characterized in that a through hole (115) is formed in the bottom of the tensioning block (1), the inner diameter of the through hole (115) is matched with the outer diameter of the cable main body (3), and the inner wall of the through hole (115) is movably connected with the outer surface of the cable main body (3).

5. The cable pre-tensioning device for power construction as claimed in claim 1, wherein: the clamping device is characterized in that a threaded hole (201) is formed in the clamping block (2), a threaded rod (202) is arranged in the threaded hole (201), the threaded rod (202) extends out of one end of the threaded hole (201) and is fixedly connected with a knob (203), one end, far away from the knob (203), of the threaded rod (202) is provided with a clamping plate (204), a placing groove (205) is formed in the clamping block (2), the clamping plate (204) is arranged in the placing groove (205), the outer diameter of the clamping plate (204) is matched with the inner diameter of the placing groove (205), and the outer wall of the clamping plate (204) is movably connected with the inner wall of the placing groove (205).

6. The cable pre-tensioning device for power construction as claimed in claim 5, wherein: the clamping plate (204) is internally provided with a rotating groove (206), a rotating block (207) is arranged in the rotating groove (206), one end of the threaded rod (202) penetrates through the clamping plate (204) and extends to the inside of the rotating groove (206), and one end of the threaded rod (202) is fixedly connected with the outer wall of one side of the rotating block (207).

7. The cable pre-tensioning device for power construction as claimed in claim 5, wherein: the two clamping plates (204) are arranged, and the two clamping plates (204) are symmetrically distributed in the clamping block (2).