CN209872016U - Electric power construction draw gear - Google Patents

Abstract

The utility model relates to an electric power construction draw gear, including mutual articulated left box and right box, be provided with the headstock on the left box, be provided with the supporting seat on the right box, can dismantle between supporting seat and the headstock and be connected with the wire winding pivot, supporting seat internal rotation is connected with and can dismantle the linking axle of connection with the wire winding pivot, it is connected with the stop collar to link up to slide along the axis direction on the axle, the stop collar is fixed with the ratchet, it is connected with the pawl to correspond ratchet in the supporting seat, be provided with the torsional spring that is used for driving pawl and ratchet meshing in the supporting seat, link up epaxial adjusting device that is used for driving the stop collar and slides, link up epaxial fixed part that is provided with and is used for fixing the stop collar position, be provided. The adjusting device slides the limiting sleeve and is fixed by the fixing part, the pawl is separated from the ratchet, the control mechanism is used for controlling the pawl to rotate to be meshed with the ratchet and reset the ratchet, and the ratchet is meshed with the pawl, so that whether the rotation is prevented or not is conveniently selected.

Description

Electric power construction draw gear

Technical Field

The utility model belongs to the technical field of the technique of electric power construction and specifically relates to an electric power construction draw gear is related to.

Background

The arrangement and installation of the electric wire and the electric cable are often involved in the electric power construction, and the electric wire and the electric cable need to be pulled, wound or released in the installation process so as to ensure the position correctness of the electric wire and the electric cable in the long-distance installation process.

The utility model discloses an electric power construction draw gear is disclosed in the utility model patent document of grant notice No. CN20812770U, including the same left box and right box of size, left side box articulates in right box, be equipped with the headstock on the box of a left side, one side that left box was kept away from to right box is equipped with the supporting seat, one side that right box was kept away from to the headstock is equipped with the crank, one side that the headstock is close to right box is equipped with first carousel, one side that the supporting seat is close to left box is rotated and is connected with the second carousel, can dismantle between first carousel and the second carousel and be connected with hollow wire winding pivot, the surface of wire winding pivot is opened along its length direction has at least one trompil hole, be equipped with the kicking block in the trompil hole, the one. Through aerifing in the winding pivot, the top kicking block is propped up and emerges winding pivot surface under the effect of atmospheric pressure, withstands the cable, realizes that the cable is fixed, strengthens cable traction effect.

In order to prevent the winding rotating shaft from rotating when winding wires and cables, a group of ratchet and pawl devices are arranged in the power box, and when the winding rotating shaft is connected with the power box, the winding rotating shaft is connected with a ratchet. However, in practical use, users have two use requirements of releasing the electric wire and winding the electric wire, and the structure is not provided with a device for separating the ratchet wheel and the pawl, so that the limitation cannot be relieved, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric power construction draw gear can separate the ratchet pawl according to the user demand, removes unidirectional rotation's restriction.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: electric power construction draw gear, including big or small the same and mutual articulated left box and right box, be provided with the headstock on the box of a left side, be provided with the supporting seat on the box of the right side, can dismantle between supporting seat and the headstock and be connected with the wire winding pivot, supporting seat internal rotation is connected with and is used for dismantling the linking axle of connection with the wire winding pivot, it is connected with the stop collar to link up epaxial along axis direction slip, be fixed with the ratchet on the stop collar, it is connected with the pawl to correspond ratchet rotation in the supporting seat, be provided with the torsional spring that is used for driving pawl and ratchet meshing in the supporting seat, it is equipped with the adjusting device that is used for driving the stop collar and slides to link up epaxial, it is provided with the fixed part that is used for fixed stop collar position to link up epaxial.

Through adopting above-mentioned technical scheme, the user slides through adjusting device drive stop collar to through the position of the fixed stop collar of fixed part, make pawl and ratchet can separate, the user can remove and prevent the gyration restriction, through wire winding pivot rolling or release cable wantonly, facilitate the use, when treating needs to prevent the gyration, through control mechanism control pawl rotatory to can with ratchet meshing position, and through adjusting device reset ratchet can.

The utility model discloses further set up to: the adjusting device comprises a sliding block which is connected to the connecting shaft in a sliding mode along the axis direction of the connecting shaft, the sliding block is fixedly connected with the limiting sleeve, a pull rod is connected to the sliding block along the direction parallel to the axis direction of the connecting shaft, and the pull rod penetrates through the connecting shaft and extends out of the supporting seat.

Through adopting above-mentioned technical scheme, the user slides along being on a parallel with linking axle axis direction through the drive pull rod, drives slider and stop collar and slides, realizes the control of ratchet position, and convenient drive is easy and simple to handle, and the slider has guaranteed that stop collar and linking axle rotate in step, can normally prevent the gyration when guaranteeing ratchet pawl meshing.

The utility model discloses further set up to: the fixing part comprises a groove which is arranged on the pull rod along the direction vertical to the axial line of the pull rod, a clamping block is arranged on the end face of the connecting shaft through which the pull rod passes and corresponds to the groove, the clamping block is connected with the end face of the connecting shaft in a sliding mode along the depth direction of the groove, and an elastic piece used for driving the clamping block to be embedded into the groove is fixed on the end face of the connecting shaft.

Through adopting above-mentioned technical scheme, the user slides the in-process through the pull rod, and the elastic component is in the compression attitude, and when the stop collar slided appointed position, the fixture block slided and the gomphosis in the recess towards the recess under the elastic force drive of elastic component, and the axial displacement of restriction pull rod realizes the fixed of pull rod position, and fixed effectual and convenient to use.

The utility model discloses further set up to: control mechanism includes along being on a parallel with linking up the regulation pole of axle axis direction swivelling joint in the supporting seat, it is provided with adjusting gear to correspond the pawl on the regulation pole, it is provided with the straight-tooth to correspond adjusting gear in the pivot of pawl, adjusting gear and straight-tooth meshing.

By adopting the technical scheme, a user rotates the adjusting rod to drive the adjusting gear to rotate, the pawl is driven to overcome the elasticity of the torsion spring to rotate to the position which can be meshed with the ratchet wheel through gear meshing transmission, the ratchet wheel can be normally meshed with the pawl when being reset, and the user can conveniently and freely switch between the limiting and the contact limiting.

The utility model discloses further set up to: the quantity of ratchet is two and ratchet opposite direction, one of them another ratchet staggers with the pawl that corresponds when the ratchet meshes with the pawl that corresponds, one of them adjusting gear meshes with corresponding straight-tooth, another be provided with between adjusting gear and the corresponding straight-tooth with the straight-tooth meshing with the change gear of adjusting gear meshing simultaneously, the quantity of recess has two and corresponds the axial position of stop collar when different ratchet meshes with corresponding pawl.

Through adopting above-mentioned technical scheme, the user drives the regulation pole rotatory, because the setting of redirection gear, the one-way rotation of user can drive two pawls and keep away from the ratchet rotatory, and then changes the ratchet position through adjusting device, loosens the regulation pole for another group ratchet pawl meshing, thereby realize that the user also has the function of preventing gyration when needs contact restriction antiport.

The utility model discloses further set up to: the power box is connected with a rotary disc used for being connected with a winding rotating shaft in a rotating mode, the rotary disc and a connecting shaft are provided with a buckling piece used for being connected with the winding rotating shaft, the buckling piece comprises a base and a buckling ring, the base is in a T shape, the base comprises a base and an interface, the base is fixedly connected to the rotary disc and the connecting shaft respectively, the interface is arranged in the direction perpendicular to the base, the base is in a slope arrangement, the buckling ring is sleeved on the interface in a hinged mode, and two ends of the winding rotating shaft are provided with connectors matched with openings of the interfaces.

By adopting the technical scheme, after the joints at the two ends of the winding rotating shaft slide into the interface, the opening of the interface is plugged by shifting the retaining ring, so that the joint of the winding rotating shaft is limited in the interface, the winding rotating shaft is fixed between the turntable and the connecting shaft to synchronously rotate, and the winding rotating shaft is conveniently fixed and is tightly connected without loosening.

The utility model discloses further set up to: the corner that left side box and right box deviate from is equipped with the fixed orifices of in-band screw thread, threaded connection has the supporting leg in the fixed orifices.

Through adopting above-mentioned technical scheme, the user only needs rotatory supporting leg just can change the supporting leg bottom to the distance between the fixed orifices, and the distance from ground is kept away from to left box and right box when this draw gear uses from this change, convenient regulation.

The utility model discloses further set up to: and a vacuum chuck is fixed at the bottom of the supporting leg.

By adopting the technical scheme, the suction force of the vacuum chuck can enable the connection between the supporting leg and the installation position to be tighter, so that the device can be placed on an inclined plane or a vertical plane for use, the application range is expanded, and the device is more convenient.

To sum up, the utility model discloses a beneficial technological effect does:

1. the ratchet wheel and the pawl can be separated, and the limitation of unidirectional rotation is relieved;

2. the anti-rotation direction can be freely switched.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the structure of the engagement shaft of the present invention.

Fig. 3 is a sectional view of the internal structure of the power box according to the present invention.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.

Fig. 5 is a schematic structural view of the fastener of the present invention.

Fig. 6 is a schematic view of the structure of the winding shaft of the present invention.

In the figure, 1, a left box body; 11. a power box; 12. a turntable; 13. a handle; 2. a right box body; 21. a supporting seat; 22. a fixing hole; 23. supporting legs; 24. a vacuum chuck; 3. a winding rotating shaft; 31. a joint; 32. a fastener; 321. a base; 3211. a chassis; 3212. an interface; 322. a retaining ring; 4. a connecting shaft; 41. a limiting sleeve; 42. a slider; 43. a pull rod; 431. a groove; 44. a clamping block; 45. an elastic member; 5. a ratchet wheel; 51. a pawl; 511. straight teeth; 52. a torsion spring; 53. adjusting a rod; 54. an adjusting gear; 55. and a direction change gear.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1 to 6.

Referring to fig. 1, for the utility model discloses an electric power uses draw gear, including the same and mutual articulated left box 1 of size and right box 2. The bottom surface of the left box body 1 far away from the right box body 2 is provided with a power box 11, the bottom surface of the right box body 2 far away from the left box body 1 is provided with a supporting seat 21, and a winding rotating shaft 3 can be detachably connected between the supporting seat 21 and the power box 11. The power box 11 is rotatably connected with a rotary table 12 along the direction parallel to the axis of the winding rotary shaft 3, the rotary shaft of the rotary table 12 passes through the power box 11 and is connected with a handle 13 for driving the rotary table 12 to drive the winding rotary shaft 3 to rotate so as to wind or release the electric wire. The supporting seat 21 is internally rotatably connected with a connecting shaft 4 along the direction parallel to the axis of the winding rotating shaft 3, the winding rotating shaft 3 is detachably connected with the turntable 12 and the connecting shaft 4, and the winding rotating shaft 3 can rotate between the supporting seat 21 and the power box 11.

Referring to fig. 5 or 6, the turntable 12 and the linking shaft 4 are both fixedly connected to the winding shaft 3 through a fastening element 32, the fastening element 32 includes a base 321 and a retaining ring 322, the axial cross-sectional shape of the base 321 is "T" shaped, the base 321 includes a chassis 3211 fixed on the end faces of the turntable 12 and the linking shaft 4 close to each other, and a square interface 3212 arranged on the chassis 3211 along the direction perpendicular to the bottom face of the chassis 3211, the axial cross-sectional shape of the chassis 3211 is ramp-shaped, a U-shaped opening is formed in the interface 3212, and the retaining ring 322 is sleeved on the interface 3212 and is hinged to the interface 3212. The both ends of the winding spindle 3 are equipped with the joint 31 matching with opening of the interface 3212, after the joint 31 at both ends of the winding spindle 3 slips into the interface 3212, stir the retaining ring 322 to block the opening of the interface 3212, make the joint 31 of the winding spindle 3 limited in the interface 3212, thus fix the winding spindle 3 between rotary table 12 and linking shaft 4, can rotate synchronously, convenient fixed and connect and closely not become flexible.

When needs rolling cable or release cable, the user opens left box 1 and right box 2, through buckle 32 at carousel 12 with link up between 4 fixed wire winding pivot 3, will treat that the cable of operation is fixed with wire winding pivot 3 and carries out the rolling or directly will twine the wire winding pivot 3 rotation and the release cable that has the cable, take off wire winding pivot 3 from buckle 32 after the completion work, rotatory left side box 1 and the 2 normal positions of right box, make the device when guaranteeing electric power construction traction cable effect, and is small enough, conveniently carry.

Referring to fig. 1, for the convenience of the user to adjust the height of the device with the ground when in use, the corner that left box 1 and right box 2 deviate from each other is provided with a fixing hole 22 with internal thread, the internal thread of the fixing hole 22 is connected with a supporting leg 23, the user can adjust the distance between the bottom surface of the supporting leg 23 and the fixing hole 22 through rotating the supporting leg 23, and the user can operate the device conveniently. Simultaneously in order to guarantee support stability and can be fixed the non-plane with left box 1 and right box 2 on, the bottom of supporting leg 23 is fixed with vacuum chuck 24, and the user strengthens the stability of being connected of left box 1 and right box 2 and mounted position through vacuum chuck 24's load suction, and can fix on the slope facade, enlarges application range, more convenient operation.

Referring to fig. 3 or 4, the connecting shaft 4 is connected with a limiting sleeve 41 in a sliding manner along a direction parallel to the axis of the connecting shaft 4, the limiting sleeve 41 is arranged in the supporting seat 21, a ratchet wheel 5 is fixed on the limiting sleeve 41, a pawl 51 is rotatably connected in the supporting seat 21 corresponding to the ratchet wheel 5, a torsion spring 52 used for driving the pawl 51 to be meshed with the ratchet wheel 5 is arranged in the supporting seat 21, an adjusting device is arranged on the connecting shaft 4 and used for a user to drive the limiting sleeve 41 to slide, a fixing part is arranged on the connecting shaft 4 and used for the user to fix the position of the limiting sleeve 41, and a control mechanism is arranged in the supporting seat. The user drives the limiting sleeve 41 to slide through the adjusting device and fixes the limiting sleeve through the fixing part, so that the pawl 51 and the ratchet can be separated, and the rotation prevention limitation is relieved. When the limitation needs to be recovered, the pawl 51 is controlled by the control mechanism to rotate to a position capable of being meshed with the ratchet wheel 5, and the ratchet wheel 5 is reset by the adjusting device. Thereby facilitating the use of the user for separating the ratchet wheel 5 and the pawl 51 according to the use requirement.

Referring to fig. 2 or 4, the adjusting device includes a sliding block 42 connected to the connecting shaft 4 in a sliding manner along the axial direction of the connecting shaft 4, the sliding block 42 is fixedly connected to the position-limiting sleeve 41, and the position-limiting sleeve 41 is driven to slide while the position-limiting sleeve 41 and the connecting shaft 4 are ensured to rotate synchronously. The sliding block 42 is embedded on the connecting shaft 4, a pull rod 43 parallel to the axial direction of the connecting shaft 4 is fixed at the bottom of the sliding block 42, and the pull rod 43 passes through the connecting shaft 4 and extends out of the supporting seat 21. The fixing part comprises a groove 431 arranged on the pull rod 43 along the direction vertical to the axial direction of the pull rod 43, and a clamping block 44 is arranged on the end face of the connecting shaft 4 through which the pull rod 43 passes. The fixture block 44 is connected with the end face of the connecting shaft 4 in a sliding mode along the depth direction of the groove 431, the shape of the fixture block 44 is matched with that of the groove 431, an elastic piece 45 is fixed on the end face of the connecting shaft 4, the elastic piece 45 is a spring, one end of the spring is fixed with the fixture block 44, and the other end of the spring is fixed with the connecting shaft 4.

The user slides through pulling pull rod 43 drive slider 42 outward to supporting seat 21, it slides along linking up 4 axis directions of axle to drive stop collar 41, make the position change of ratchet 5, change ratchet 5 and the state that corresponds pawl 51 meshing, fixture block 44 slides and imbeds recess 431 towards pull rod 43 under the drive of elastic component 45, the removal of restriction pull rod 43, it is stable to guarantee ratchet 5 and pawl 51 meshing, the user prevents when winding or release cable that gyration is effectual, and switch restriction unidirectional rotation's direction easy operation, convenient implementation.

Referring to fig. 2 or 3, the control mechanism includes an adjusting lever 53 rotatably coupled in the supporting seat 21 in a direction parallel to the axis of the engaging shaft 4, an end of the adjusting lever 53 extends out of the supporting seat 21 and is coupled with a knob, an adjusting gear 54 is provided on the adjusting lever 53 corresponding to the ratchet 51, a rotating shaft of the ratchet 51 is provided with a straight tooth 511 corresponding to the adjusting gear 54, and the adjusting gear 54 is engaged with the straight tooth 511. The user rotates the knob to drive the adjusting rod 53 to rotate, and the rotating shaft of the pawl 51 is driven to rotate through gear meshing transmission, so that the user can drive the pawl 51 to rotate to a position where the pawl can be meshed with the ratchet wheel 5 conveniently.

Referring to fig. 2 or 3, in order to provide the anti-rotation function when winding the rotary shaft 3 in both forward and reverse rotations, the number of the ratchet gears 5 is two and the ratchet directions are opposite, the number of the pawls 51 and the adjusting gears 54 is set to two correspondingly, and one adjusting gear 54 is large and one adjusting gear 54 is small. The large adjusting gear 54 is meshed with one straight tooth 511, a redirection gear 55 is arranged between the small adjusting gear 54 and the corresponding straight tooth 511, the redirection gear 55 is rotatably connected with the supporting seat 21, and the redirection gear 55 is meshed with the corresponding straight tooth 511 and the small adjusting gear 54 simultaneously. One of the ratchet wheels 5 is engaged with the corresponding pawl 51 while the other ratchet wheel 5 is misaligned with the corresponding pawl 51. The number of recesses 431 is two and corresponds to the axial position of the slider 42 when different ratchet wheels 5 are engaged with the corresponding pawls 51.

The user drives the regulation pole 53 rotatory, because the setting of redirection gear 55, the one-way rotation of user can drive two pawls 51 and keep away from the ratchet 5 rotation simultaneously and revolve to opposite, and then drive stop collar 41 through pulling pull rod 43 and slide, change the ratchet 5 position, fixture block 44 is with the recess 431 gomphosis that corresponds under the drive of elastic component 45, loosen and adjust pole 53, make another group of ratchet 5 pawl 51 meshing, thereby realize all can prevent turning round when user corotation and reversal wire winding pivot 3, and can freely switch over the state of rotation restriction.

The implementation principle of the embodiment is as follows: the user drives the pull rod 43 to slide, the fixture block 44 is embedded into the groove 431 under the driving of the elastic piece 45, at the moment, the pawl 51 is separated from the corresponding pawl 51 under the driving of the torsion spring 52, when the unidirectional limiting rotation needs to be recovered, the user rotates the adjusting rod 53, the adjusting gear 54 is driven to rotate, the pawl 51 is driven to rotate towards the ratchet wheel 5 through gear meshing transmission to be meshed with the ratchet wheel 5 and the position, the ratchet wheel 5 is reset, the ratchet wheel 5 is meshed with the pawl 51, the meshing state of the ratchet wheel 5 and the pawl 51 can be freely controlled by the user, the cable is conveniently wound and wound on the winding rotating shaft 3, and the electric power construction traction is realized.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. Electric power construction draw gear, including big or small the same and mutual articulated left box (1) and right box (2), be provided with headstock (11) on left side box (1), be provided with supporting seat (21) on right side box (2), can dismantle between supporting seat (21) and headstock (11) and be connected with wire winding pivot (3), its characterized in that: supporting seat (21) internal rotation is connected with and is used for linking up spiale (4) with what wire winding pivot (3) can dismantle the connection, it is connected with stop collar (41) to slide along the axis direction on spiale (4) to link up, be fixed with ratchet (5) on stop collar (41), it is connected with pawl (51) to correspond ratchet (5) rotation in supporting seat (21), be provided with torsional spring (52) that are used for driving pawl (51) and ratchet (5) meshing in supporting seat (21), it is equipped with the adjusting device who is used for driving stop collar (41) to slide on spiale (4) to link up, it is provided with the fixed part that is used for fixed stop collar (41) position on spiale (4) to link up, be provided with in supporting seat (21) and be used for driving pawl (51) rotatory control mechanism.

2. The electric power construction traction apparatus according to claim 1, characterized in that: adjusting device includes along linking up slider (42) that axle (4) axis direction connection was on linking up axle (4) that slides, slider (42) and stop collar (41) fixed connection, be connected with pull rod (43) along being on a parallel with linking axle (4) axis direction on slider (42), pull rod (43) pass and link up axle (4) and extend to outside supporting seat (21).

3. The electric power construction traction apparatus according to claim 2, characterized in that: the fixing component comprises a groove (431) which is arranged on the pull rod (43) along the direction perpendicular to the axial line of the pull rod (43), a clamping block (44) is arranged on the end face of the connecting shaft (4) through which the pull rod (43) passes and corresponds to the groove (431), the clamping block (44) is connected with the end face of the connecting shaft (4) in a sliding mode along the depth direction of the groove (431), and an elastic piece (45) used for driving the clamping block (44) to be embedded into the groove (431) is fixed on the end face of the connecting shaft (4).

4. The electric power construction traction apparatus according to claim 3, characterized in that: control mechanism includes along being on a parallel with linking up regulation pole (53) of axle (4) axis direction swivelling joint in supporting seat (21), it is provided with adjusting gear (54) to correspond pawl (51) on regulation pole (53), it is provided with straight-teeth (511) to correspond adjusting gear (54) in the pivot of pawl (51), adjusting gear (54) and straight-teeth (511) meshing.

5. The electric power construction traction apparatus according to claim 4, characterized in that: the quantity of ratchet (5) is two and the ratchet direction is opposite, one of them another ratchet (5) staggers with corresponding pawl (51) when ratchet (5) and corresponding pawl (51) mesh, one of them regulation gear (54) and corresponding straight-tooth (511) mesh, another be provided with between regulation gear (54) and the corresponding straight-tooth (511) redirection gear (55) with straight-tooth (511) and regulation gear (54) meshing simultaneously, the quantity of recess (431) has two and corresponds the axial position of stop collar (41) when different ratchet (5) mesh with corresponding pawl (51).

6. The electric power construction traction apparatus according to claim 1 or 5, characterized in that: the power box (11) is rotatably connected with a rotary disc (12) used for being connected with a winding rotary shaft (3), the rotary disc (12) and a connecting shaft (4) are provided with a clamping piece (32) used for being connected with the winding rotary shaft (3), the clamping piece (32) comprises a base (321) and a retaining ring (322), the base (321) is T-shaped, the base (321) comprises a base plate (3211) fixedly connected to the rotary disc (12) and the connecting shaft (4) and an interface (3212) arranged in the direction perpendicular to the base plate (3211), the base plate (3211) is arranged in a slope mode, the retaining ring (322) is sleeved on the interface (3212) in a hinged mode, and two ends of the winding rotary shaft (3) are provided with connectors (31) matched with openings of the interface (3212).

7. The electric power construction traction apparatus according to claim 1, characterized in that: the corner that left side box (1) and right box (2) deviate from mutually is equipped with in-band screw thread fixed orifices (22), fixed orifices (22) internal thread connection has supporting leg (23).

8. The electric power construction traction apparatus according to claim 7, characterized in that: and a vacuum sucker (24) is fixed at the bottom of the supporting leg (23).