CN204223938U - A kind of tilting pay off rack - Google Patents

Abstract

The utility model discloses an inclined pay-off frame, which comprises a bottom frame and a wire reel support, the bottom frame is placed horizontally, the bottom of the wire reel support is hinged to the front part of the bottom frame, and the wire reel support includes a support body , the spool body is slidably provided with a spool shaft fixing door frame, a spool frame for installing a spool is arranged in front of the spool shaft fixing gantry, and a spool shaft fixed door is provided on the spool bracket. The wire reel lifting device for lifting and lowering the frame. The rear side of the bottom frame is provided with a wire reel lifting device that drives the wire reel support to rotate along the bottom hinged fulcrum. The wire reel frame includes a base fixed on the wire reel shaft fixed door frame, A bobbin shaft is vertically arranged above the base, and a supporting rotation mechanism is arranged on the base to support the rotation of the bobbin shaft. The utility model can be operated by a single person and reduces labor costs, so it has the advantages of reduced labor intensity, short time consumption and high work efficiency.

Description

A tilting pay-off rack

technical field

The utility model relates to a wire reel pay-off rack.

Background technique

At present, most of the pay-off racks on the market are of split type, that is, there are two separate supports at both ends of the shaft rod, which can be lifted and lowered separately. Such a structure has high requirements on the ground in actual use, because the supports at both ends are independent, The area of the bottom surface is relatively small, and it is not particularly stable on uneven ground, and it is easy to topple over and fall apart due to the force of the reel rotating during the unwinding process. And because the supports at both ends take off and land separately, two people need to operate simultaneously or one person runs on both sides, which is not humanized enough and the efficiency is low.

Utility model content

The technical problem to be solved by the utility model is to provide an inclined pay-off frame, which has a stable and reliable structure, is not easy to fall apart, and is convenient for the pay-off operation.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme: an inclined pay-off frame, including a bottom frame and a wire reel support, the bottom frame is placed horizontally, and the bottom of the wire reel support is hinged to the front part of the bottom frame, The wire reel support includes a bracket frame body, on which a wire reel shaft fixing door frame is slidably arranged, and a wire reel frame for installing a wire reel is arranged in front of the wire reel shaft fixing door frame, and the wire reel support There is a wire reel lifting device on the top to drive the wire reel shaft to fix the gantry up and down. The base on the fixed door frame of the coil shaft, a coil shaft is vertically arranged above the base, a support rotation mechanism is provided on the base to support the rotation of the coil shaft, and the base is provided with a wire coil shaft on the outer circumference side of the coil shaft. A circular slide rail with concentric axes, at least three support rods are arranged in a uniform radial shape from the bottom of the bobbin shaft to the outer circumference side, the outer ends of the support rods are provided with roller seats, and universal rollers are arranged on the roller seats , the universal roller is located in the circular slide rail, the wire reel is set on the wire reel shaft, and the bottom of the wire reel is supported on the support rod.

Preferably, the support frame body includes two parallel uprights, the bottom ends of the uprights are hinged to the chassis, and a beam is arranged between the top ends of the two uprights.

Preferably, the bobbin lifting device includes a bobbin shaft height adjusting screw threaded on the crossbeam, the bottom end of the bobbin shaft height adjusting screw is connected with the bobbin shaft fixed door frame, and the bobbin shaft height The top end of the adjustment screw is connected with the height adjustment handle of the wired disk shaft.

Preferably, the coil hoisting device includes a rear brace vertically fixed to the rear end of the chassis, a diagonal brace is provided between the rear brace and the chassis, and a wire is provided between the top of the rear brace and the beam. Lever adjustment mechanism.

Preferably, the supporting rotation mechanism includes a bearing seat and a bearing, the bearing seat is fixedly installed in the middle of the base, the outer ring of the bearing is fixedly installed in the bearing seat, and the lower end of the reel shaft is fixedly installed together with the inner ring of the bearing .

The utility model adopts an integrated assembly structure. On the one hand, the bottom surface area of the pay-off frame is greatly increased, the working stability is increased, and the use in more complicated environments is adapted to increase the scope of application; in addition, the cable The reel is set on the wire reel shaft and seated on the support rod. When working, you only need to turn the roller to easily realize the retraction and release of the cable. It can be operated by a single person, reducing labor costs, so it has the advantages of reduced labor intensity, short time consumption, and easy work The advantage of high efficiency.

Therefore, the beneficial effects of adopting the utility model are as follows: (1) the scope of application is expanded, because the requirement for the flatness of the ground is reduced, it can be suitable for various harsher working environments, and the stability is better under the same working environment. (2) Save manpower and improve efficiency. Due to the adoption of the working principle of a single fulcrum, only one person can operate it, saving manpower costs. (3) Fast take-off and landing to improve work efficiency. Since the lifting part adopts double-headed screw rod, the working stroke is twice as fast as that of single-headed screw rod. At the same lifting height, the time for operators to lift the wire reel is reduced by half .

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the utility model is further described:

Fig. 1 is the structural representation of the inclined type integrated pay-off frame in the utility model;

Figure 2a is a schematic diagram of the first assembly step of the inclined integrated pay-off frame;

Figure 2b is a schematic diagram of the second assembly step of the inclined integrated pay-off frame;

Figure 2c is a schematic diagram of the third assembly step of the inclined integrated pay-off frame;

Fig. 2d is a schematic diagram of the fourth assembly step of the inclined integrated pay-off frame;

Fig. 3a is a schematic diagram of the installation step 1 of the wire reel;

Figure 3b is a schematic diagram of the second step of installing the wire reel;

Figure 3c is a schematic diagram after the installation of the coil is completed;

Fig. 4a is the front view of the wire reel embodiment;

Fig. 4b is a top view of an embodiment of the wire reel frame.

Detailed ways

As shown in Figure 1, the inclined type integrated pay-off frame includes a horizontally placed underframe 1, and the front part of the underframe 1 is hinged with a reel support 2, and the reel support 2 includes a support frame, and the support frame The upper slide is provided with a spool shaft fixed door frame 22, and the spool shaft 4 for installing the spool is arranged in front of the spool shaft fixed door frame 22. The support body is provided with a fixed door frame 22 that drives the reel shaft and the reel shaft 4 on it, and a reel lifting device for lifting the reel. The coil hoisting device 3 that fulcrum rotates.

The chassis 1 is assembled and fixed by a main chassis 11 at the front and a sub-chassis 12 at the rear. The main chassis is a U-shaped frame structure, and the sub-chassis is a trapezoidal frame structure.

The support body includes two side-by-side uprights 21, the bottom ends of the uprights are hinged to the underframe, and a beam 23 is arranged between the tops of the two uprights. The bobbin lifting device comprises a bobbin shaft height adjusting lead screw 24 threaded on the crossbeam, the bottom end of the bobbin shaft height adjusting screw is connected with the bobbin shaft fixed mast, and the bobbin shaft height adjusting screw Connect the wired reel shaft height adjustment handle 25.

The coil hoisting device 3 includes a rear brace 31 vertically fixed to the rear end of the chassis, a diagonal brace 32 is provided between the rear brace and the chassis, and a wire is provided between the top of the rear brace and the beam. Lever adjustment mechanism. The screw adjusting mechanism includes an adjusting rod 33 and two wire reel lifting screw 34, and the two ends of the adjusting rod are provided with threaded cylinders which are threadedly connected with the ends of the two wire reel lifting screw respectively. The cable tray lifting handle 35 is connected on the adjusting rod.

The spool shaft 4 vertically passes through the spool shaft fixed door frame, a support bearing is arranged between the spool shaft and the spool shaft fixed gantry, and the spool shaft is screwed with a screw on the rear side of the spool shaft fixed door frame. cap, the front side of the spool shaft fixed mast is provided with a spool baffle 41.

In order to facilitate the user's handling and storage, the main structure is detachable. The whole can be divided into: main chassis, sub-chassis, spool shaft fixing mast, bracket body, spool shaft, etc., and the sub-chassis is equipped with back braces, diagonal braces and bobbin lifting screw rods, etc. It can be disassembled, which greatly reduces the weight of a single-piece construction and is conducive to human transportation. After the products are all shipped to the construction site, the products are then assembled.

The main chassis and sub-chassis are connected by bolts, which is safe and reliable, and the disassembly and assembly are convenient and fast. The spool shaft fixing mast is connected with the main chassis, and the connection of the hoisting handle of the spool with the rear support plate and the slanting support chassis are all connected by cylindrical pins, which are safe and reliable, and are convenient and quick to disassemble and assemble. The height adjustment of the spool shaft adopts the screw ratchet structure, which is easy to operate, convenient and fast, with high adjustment efficiency and wide adjustable range, and can adapt to various specifications of spools with diameters from 800mm to 1400mm. The reel lifting screw adopts a double-start thread, which doubles the adjustment speed and effectively improves work efficiency. The connection between the reel shaft and the fixed mast adopts heavy-duty bearings to ensure flexible rotation under heavy loads and greatly increase the service life. When assembling, first put the wire reel shaft into the mast bearing, and then screw the nut on the rear part of the wire reel shaft.

The assembly method of the above-mentioned inclined integrated pay-off frame will be described in detail below in conjunction with Fig. 2a to Fig. 2d:

As shown in Figure 2a, assembly step 1: splice the main chassis 11 and the sub-chassis 12 together, and bolt the connection parts with 8 M10 bolts respectively.

As shown in FIG. 2 b , assembly step 2: assemble the back brace 31 and the diagonal brace 32 . The splicing of this part adopts φ16mm pin shaft, and the disassembly and assembly are also very convenient and quick.

As shown in Figure 2c, assembly step 3: install the spool shaft fixing door frame and the spool lifting screw. The splicing of this part adopts φ16mm pin shaft, which is convenient and fast for disassembly and assembly.

As shown in Figure 2d, assembly step 4: install the bobbin shaft and the bobbin baffle. Insert the spool shaft into the central support bearing of the mast, press the washer on the rear and screw on the nut.

So far, the work of assembling the pay-off frame is completed, and the installation of the wire reel can be started.

The method for installing the wire reel will be described in detail below with reference to FIGS. 3a to 3c.

As shown in Figure 3a, the first step of reel installation is to align the reel axis of the reel frame with the center of the reel, first adjust the reel lifting handle on the reel lifting screw rod, and adjust the reel axis to the center of the wire reel. The center of the reel is parallel, and then adjust the height handle of the reel shaft to adjust the reel shaft to the same height as the center hole of the reel.

As shown in Figure 3b, the second step of installing the wire reel is to move the whole pay-off frame forward, insert the wire reel shaft into the center hole of the wire reel, and push until the wire reel is close to the wire reel baffle.

As shown in Figure 3c, the third step of reel installation is to adjust the lifting handle of the reel so that the reel support and the reel are tilted towards the sub-chassis by about 15 degrees, that is, the angle between the reel support and the sub-chassis is 75° At this time, the lowest point of the wire reel rack should be a certain distance above the ground. The spool shaft and the spool shaft fixed gantry are connected by two cylindrical roller bearings. The spool shaft can rotate flexibly at the center of the spool shaft fixed gantry. Compared with ordinary bearings, the cylindrical roller bearings can withstand high-strength radial forces. Therefore, the reel can be easily rotated after it is off the ground to complete the work of paying off the wire.

Below in conjunction with Fig. 4 a and Fig. 4 b illustrate another embodiment of wire reel frame 5, it comprises the base 51 that is fixed on the wire reel shaft fixing door frame 22, roller base 52, support rod 53, wire reel shaft 4, circular slide Rail 55, roller 56, wire reel 57, fastening nut 58, guide head 59, reinforcing rib 511. A bobbin shaft 4 is vertically arranged above the base 51, and a supporting rotating mechanism is provided on the base to support the rotation of the bobbin shaft, and the outer circumference side of the bobbin shaft is provided with a circular slide concentric with the bobbin shaft on the base. Rail 55, at least three support rods 53 are arranged in a uniform radial shape from the bottom of the bobbin shaft to the outer circumference side, the outer end of the support rods is provided with a roller seat 52, and a roller 56 is arranged on the roller seat. The supporting and rotating mechanism includes a bearing seat and a bearing, the bearing seat is fixedly installed in the middle of the base, the outer ring of the bearing is fixedly installed in the bearing seat, and the lower end of the reel shaft is fixedly installed with the inner ring of the bearing. Among them, the roller is a universal roller, the base, the bobbin shaft, the bearing, the bearing seat and the bobbin frame are detachable structures, so the bobbin frame can also be pushed by the roller after removing the bobbin frame, and the roller is located on the circular slide rail 55, the wire reel 57 is set on the wire reel shaft 4, and the bottom of the wire reel is supported on the support rod 53.

The upper end of the bobbin shaft 4 is integrally provided with a truncated conical guide head 59 . This facilitates guiding the spool 57 into the spool shaft 4 .

The top of the reel shaft is provided with a threaded portion, and a fastening nut 58 is threaded on the threaded portion, and the fastening nut compresses the reel. When adopting the less wire reel 57 of diameter, in order to prevent it from rotating, it can be fixed by fastening nut 58, and generally larger diameter wire reel 57 can not need this fastening nut.

The spool shaft is provided with a groove, and at least two radial threaded holes communicating with the grooves are arranged on the spool shaft from top to bottom, and the extension rod passes through the radial threaded holes, and the bolt and the threaded hole pass through the groove. Radial threaded holes secure extension rods. An arc-shaped support head is threaded on the outer end of the extension rod and threaded. In this way, the stability of the reel is increased for larger diameter reels.

There are four support rods, four corresponding roller seats and rollers, and reinforcing ribs 511 are fixed between adjacent support rods. In this way, the force is more uniform and the strength is improved.

When in use, the wire reel 57 is set on the wire reel shaft 4 and seated on the support rod 53, and the cable can be easily retracted and unwrapped by simply turning the roller 56 during work, so the labor intensity is reduced, the time consumption is short, and the work efficiency is high The advantages.

Claims (5)

1. An inclined pay-off frame, characterized in that: it comprises a base frame and a wire reel support, the base frame is placed horizontally, the bottom of the wire reel support is hinged to the front part of the base frame, and the wire reel support includes a support frame body, the frame body is slidably provided with a wire reel shaft fixing door frame, a wire reel frame for installing a wire reel is provided in front of the wire reel shaft fixing door frame, and a wire reel shaft is fixed on the wire reel bracket. The wire reel lifting device for lifting and lowering the mast. The rear side of the bottom frame is provided with a wire reel lifting device that drives the wire reel support to rotate along the hinged fulcrum at the bottom. The wire reel frame includes a base fixed on the wire reel shaft fixed door frame , a bobbin shaft is vertically arranged above the base, a supporting rotating mechanism is provided on the base to support the rotation of the bobbin shaft, and a circular slide rail concentric with the bobbin shaft is provided on the outer circumference side of the bobbin on the base, The bottom of the bobbin shaft is provided with at least three support rods in a uniform radial shape toward the outer circumference side, the outer end of the support rods is provided with a roller seat, and a universal roller is arranged on the roller seat, and the universal roller is located in the circle. In the shaped slide rail, the wire reel is set on the wire reel shaft, and the bottom of the wire reel is supported on the supporting rod. 2. An inclined pay-off frame according to claim 1, characterized in that: the frame body comprises two parallel uprights, the bottom ends of the uprights are hinged to the bottom frame, and a beam is arranged between the tops of the two uprights. 3. An inclined pay-off rack according to claim 2, characterized in that: the wire reel lifting device includes a wire reel shaft height adjustment screw threaded on the beam, and the wire reel shaft height adjustment screw The bottom end of the bar is connected with the fixed gantry of the wire reel shaft, and the top of the wire reel shaft height adjustment screw is connected with a wire reel shaft height adjustment handle. 4. An inclined pay-off frame according to claim 3, characterized in that: said wire reel lifting device comprises a rear support plate vertically fixed to the rear end of the chassis, and a gap between said rear support plate and the chassis Diagonal braces are provided, and a lead screw adjustment mechanism is provided between the top of the back brace and the beam. 5. A tilting pay-off stand according to claim 1, characterized in that: said supporting and rotating mechanism comprises a bearing seat and a bearing, said bearing seat is fixedly mounted on the middle part of the base, and the outer ring of the bearing is fixedly mounted on In the bearing seat, the lower end of the bobbin shaft is fixedly installed with the inner ring of the bearing.