CN219362775U - Lifting pay-off rack - Google Patents

Abstract

The utility model discloses a lifting pay-off rack, which comprises supporting frames, wherein a base is fixedly arranged at the upper part of each supporting frame, an installation seat is arranged at the upper part of each base, a bidirectional ratchet wheel is rotatably arranged on each installation seat, the lower part of each bidirectional ratchet wheel is positioned in each installation seat and is provided with a lower limit disc in rotary fit with each installation seat, an upper limit disc is fixedly arranged at the upper part of each bidirectional ratchet wheel, a driving spanner is sleeved at the part of each bidirectional ratchet wheel positioned between each upper limit disc and each installation seat, a through groove is formed in the middle part of each driving spanner, a movable block is hinged in each through groove, and two pawls respectively matched with two sides of teeth of each bidirectional ratchet wheel are symmetrically arranged at one end of each movable block, which is close to each bidirectional ratchet wheel. The utility model can adjust the height according to the specification of the cable drum, and can effectively prevent the cable drum from the situation that the central axis of the cable drum slides out of the wheel seat in the rotating process.

Description

A lifting type pay-off rack

technical field

The utility model relates to the technical field of electric power construction auxiliary tools, in particular to a lifting type pay-off frame.

Background technique

At this stage, the cables will be wound on the wire reel when they leave the factory, so as to facilitate transportation and storage. During the cable construction and unwinding process of the cable reel, it is necessary to fix a central shaft in the middle of the cable reel, and then place the two ends of the central shaft On the pay-off rack, the central axis is rotated to realize the pay-off operation. At present, it is very inconvenient to adjust the height of the pay-off frame, which requires hydraulic cylinders or motors to provide power. Power supporting facilities for pay-off racks. In addition, the existing pay-off frame lacks the function of limiting the central axis of the cable reel during the working process, and the central axis is easy to slip out of the support wheel of the pay-off frame, which affects the normal operation of the pay-off operation.

Utility model content

The purpose of this utility model is to provide a lifting type pay-off rack, which solves the technical problems mentioned in the above-mentioned background technology.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

The utility model is a lift-type pay-off frame, which includes a support frame, a base is fixedly arranged on the upper part of each support frame, and a mounting seat is arranged on the upper part of the base, and a two-way ratchet is arranged on the mounting seat for rotation. , the lower part of the two-way ratchet is located inside the mounting seat and is provided with a lower limit plate that is rotatably engaged with the mounting seat, and the upper part of the two-way ratchet is fixedly provided with an upper limit plate, and the two-way ratchet is located on the A driving wrench is sleeved between the upper limit plate and the mounting seat, and a through groove is opened in the middle of the driving wrench, and a movable block is hingedly arranged in the through groove, and the movable block is close to the One end of the two-way ratchet is symmetrically provided with two pawls that are respectively adapted to both sides of the teeth of the two-way ratchet; the drive wrench is provided with a chute near the other end of the movable block, A reset plug is slidingly arranged in the chute, and the end of the reset plug located outside the chute is in contact with the movable block, and the end of the reset plug located inside the chute is in contact with the inner end of the chute. A return spring is provided between the end faces, and an operating rod is detachably provided on the outer side of the drive wrench; an internal thread is provided on the inner peripheral wall of the two-way ratchet and a screw threaded with it is provided, and the base The seat, the upper limit plate and the lower limit plate are all provided with a through hole with an inner diameter larger than the outer diameter of the screw; the upper part of the screw is provided with a wheel base, and each of the wheel bases is symmetrically rotated. two support wheels, and the wheel seat is respectively fixed with an inverted U-shaped limit frame on the upper parts of the two support wheels.

Further, the support frame includes three support rods uniformly inclined in the circumferential direction and arranged at the bottom of the base, and a horizontal connecting rod is fixedly arranged between every two adjacent support rods, and each of the The lower ends of the support rods are respectively fixedly provided with a base.

Further, a threaded hole is provided on the outer side of the driving wrench, and a threaded connection head matching the threaded hole is provided at the end of the operating rod.

Further, a sleeve is fixedly arranged in the middle of the lower part of the base, the inner diameter of the sleeve is larger than the outer diameter of the screw, and a plurality of pairs of limiting holes are evenly opened on the sleeve, located on the screw. Limiting pins are inserted into the first pair of limiting holes below.

Further, the wheel seat includes a bottom plate fixedly connected to the upper end of the screw rod, two ingot-shaped side plates are respectively provided on both sides of the upper part of the bottom plate, and the two support wheels are symmetrically rotated on two sides. Between the side plates, a limit plate is fixed above the two support wheels between the upper parts of the two side plates, and the limit frame is detachably arranged on the two support wheels. limit plate.

Compared with the prior art, the utility model has the beneficial technical effects:

The utility model can adjust the height according to the specifications of the cable reel, only need to manually reciprocate the operating lever to drive the drive wrench to drive the rotation of the two-way ratchet to indirectly realize the lifting adjustment of the screw rod, and then install the wheel seat and the cable reel height adjustment.

In addition, the utility model is detachably provided with a limit frame on the wheel seat. After the cable reel is placed on the pay-off frame, the limit frame can be installed on the wheel seat. The inverted U-shaped limit frame can effectively prevent the cable reel from During the rotation process, the center shaft slips out of the wheel seat to ensure the normal operation of the pay-off work.

Description of drawings

The utility model will be further described below in conjunction with the accompanying drawings.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the enlarged schematic diagram of place A in Fig. 1;

Figure 3 is a schematic cross-sectional view of the drive wrench;

Fig. 4 is the side view of wheel seat;

Explanation of reference numerals: 1, support frame; 1-1, support rod; 1-2, connecting rod; 1-3, base; 2, base; 3, mounting seat; 4, two-way ratchet; 5, lower limit plate ;6, upper limit plate; 7, drive wrench; 8, movable block; 9, pawl; 10, reset top; 11, return spring; 12, operating rod; 13, screw; Position pin; 16, wheel seat; 16-1, bottom plate; 16-2, side plate; 16-3, limit plate; 17, support wheel; 18, cable reel; 19, central axis; 20, limit frame ; 21, connecting plate.

Detailed ways

As shown in Figures 1-4, a lifting type pay-off frame includes a support frame 1, and the upper part of each support frame 1 is fixedly provided with a base 2. In this embodiment, the support frame 1 includes three A support bar 1-1 is uniformly inclined and fixedly arranged on the bottom of the base 2 along the circumferential direction, and a horizontal connecting bar 1-2 is fixedly arranged between every two adjacent support bars 1-1, each The lower ends of the support rods 1-1 are respectively fixed with a base 1-3. The support frame 1 adopts a plurality of oblique support rods and a horizontal base is arranged at the bottom of the support rods, so that the support frame is relatively stable after being placed on the ground and is not easy to topple over.

The upper part of the base 2 is fixed with a mount 3 by multiple sets of bolts, and a bidirectional ratchet 4 is rotatably mounted on the mount 3 . The lower part of the two-way ratchet 4 is located inside the mounting base 3 and is fixedly provided with a lower limit disc 5 which is rotatably matched with the mounting base 3 through a bearing. An upper limit plate 6 is fixedly arranged on the upper part of the two-way ratchet 4 .

The two-way ratchet 4 is located between the upper limit plate 6 and the top of the mounting base 3 and a driving wrench 7 is sleeved and mounted on it. The middle part of the drive wrench 7 is provided with a through groove, and a movable block 8 is hingedly installed in the through groove, and two ends of the movable block 8 close to the two-way ratchet 4 are symmetrically installed with the two-way ratchet respectively. The ratchet 9 that the teeth both sides of 4 are matched. The driving wrench 7 is provided with a chute near the other end of the movable block 8, and a reset top 10 is slidably installed in the chute, and the reset top 10 is located at one end of the outside of the chute. The movable block 8 is in contact, and in this facility example, the contact surfaces of the reset plug 10 and the movable block 8 are both spherical. A return spring 11 is installed between one end of the reset plug 10 located inside the chute and the inner end face of the chute, one end of the return spring 11 is fixedly connected with the inner end face of the chute, and the other end It is fixedly connected with the reset plug 10 . An operating lever 12 is detachably installed on the outer side of the driving wrench 7, specifically, a threaded hole is provided on the outer side of the driving wrench 7, and the end of the operating lever 12 is provided with a Threaded connectors that match the threaded holes.

The inner peripheral wall of the two-way ratchet 4 is provided with an internal thread and is provided with a screw 13 threaded therewith, and the base 2, the upper limit plate 6 and the lower limit plate 5 are provided with internal diameters larger than the The through hole of screw rod 13 outer diameters. In addition, a sleeve 14 is fixedly arranged in the middle of the lower part of the base. The inner diameter of the sleeve 14 is larger than the outer diameter of the screw 13 so as to be sleeved on the outside of the screw 13. The sleeve 14 is evenly A plurality of pairs of limiting holes are provided, and a limiting pin 15 is inserted in the first pair of limiting holes located below the screw rod 13 .

The upper part of the screw rod 13 is fixedly provided with a wheel base 16, and two support wheels 17 are mounted on each of the wheel bases 16 for symmetrical rotation. When placing and installing the cable reel 18, the two ends of the central axis 19 of the two ends of the reel 18 are respectively placed between the two support wheels 17 of each pay-off frame, so that the central axis 19 can rotate to realize the setting-out operation.

Described wheel base 16 comprises the bottom plate 16-1 that is fixedly connected with the upper end of described screw rod 13, and the upper two sides of described bottom plate 16-1 are respectively fixed and vertically provided with two ingot-shaped side plates 16-2, two ingot-shaped side plates 16-2. The two support wheels 17 are rotationally mounted symmetrically between the two side plates 16-2, and the upper parts of the two side plates 16-2 are respectively fixed above the two support wheels 16-3. A limiting plate 16-3 is provided. An inverted U-shaped spacer frame 20 is detachably mounted on the top of the two spacer plates 16-3, and two horizontal connecting plates 21 are arranged symmetrically on the bottom of the spacer frame 20. The connecting plate 21 is detachably connected to the two limiting plates 16-3 through connecting bolts.

During the construction work of the utility model, by placing the cable reel between two pay-off frames, the two ends of the central axis of the cable reel are respectively placed on the two support wheels of each pay-off frame, so that the cable reel Rotation is possible during pay-off. And the utility model can adjust the height according to the specifications of the cable reel, only need to install the operating rod on the movable wrench, and the rotation of the two-way ratchet can be realized by manually reciprocating the operating rod, because the middle hole of the two-way ratchet and the screw thread Connection, during the rotation of the bidirectional ratchet, the lifting adjustment of the screw rod can be realized, and then the installation height of the wheel seat and the cable reel can be adjusted. In addition, the utility model is detachably provided with a limit frame on the wheel seat, and the limit frame can be installed on the wheel seat after the cable reel is placed on the pay-off frame, and the inverted U-shaped limit frame can effectively place the cable reel During the rotation process, the center shaft slips out of the wheel seat to ensure the normal operation of the pay-off work.

The above-mentioned embodiment is only to describe the preferred mode of the present utility model, not to limit the scope of the present utility model. The various deformations and improvements mentioned above should all fall within the scope of protection determined by the claims of the present utility model.

Claims (5)

1. A lifting type pay-off stand, it is characterized in that: comprise support frame, the top of each described support frame is fixedly provided with pedestal, the top of described pedestal is provided with mounting seat, and rotation is provided with on the described mounting seat A two-way ratchet, the lower part of the two-way ratchet is located inside the mounting seat and is provided with a lower limit plate that is rotatably engaged with the mount, the upper part of the two-way ratchet is fixedly provided with an upper limit plate, and the two-way ratchet A drive wrench is sleeved between the upper limit disc and the mounting seat, and a through groove is opened in the middle of the drive wrench, and a movable block is hingedly arranged in the through groove. One end of the block close to the two-way ratchet is symmetrically provided with two pawls that are adapted to both sides of the teeth of the two-way ratchet; Slot, a reset plug is slidably arranged in the chute, the end of the reset plug located outside the chute is in contact with the movable block, and the end of the reset plug located inside the chute is in contact with the chute A return spring is provided between the inner end faces of the groove, and an operating rod is detachably provided on the outer side of the drive wrench; an internal thread is provided on the inner peripheral wall of the two-way ratchet and a screw threaded with it is provided, The base, the upper limit plate and the lower limit plate are all provided with through holes with an inner diameter larger than the outer diameter of the screw; the upper part of the screw is provided with a wheel seat, and the symmetrical rotation of each wheel seat Two supporting wheels are provided, and an inverted U-shaped spacer is fixedly arranged on the wheel seat above the two supporting wheels. 2. The lifting type pay-off rack according to claim 1, characterized in that: the support frame includes three support rods uniformly inclined along the circumferential direction and arranged on the bottom of the base, and every two adjacent Horizontal connecting rods are fixedly arranged between the supporting rods, and a base is fixedly arranged at the lower end of each supporting rod. 3. The lifting type pay-off rack according to claim 1, characterized in that: a threaded hole is opened on the outer side of the driving wrench, and the end of the operating rod is provided with a thread matching the threaded hole Connector. 4. The lifting type pay-off stand according to claim 1, characterized in that: a sleeve is fixedly arranged in the middle of the lower part of the base, the inner diameter of the sleeve is larger than the outer diameter of the screw rod, and the sleeve A plurality of pairs of limiting holes are uniformly provided on the barrel, and limiting pins are inserted into the first pair of limiting holes located below the screw rod. 5. The lifting type pay-off stand according to claim 1, characterized in that: the wheel seat includes a base plate fixedly connected to the upper end of the screw rod, two ingot-shaped The side plates, the two support wheels are symmetrically rotated between the two side plates, and the upper parts of the two side plates are respectively fixed with a limit plate above the two support wheels , the limiting frame is detachably arranged on the two limiting plates.