Portable integral strand pulling machine

Abstract

The utility model relates to a portable integral strand pulling machine, which comprises a main frame, a lower driving box, an upper driving box, a driving motor and a tightness adjusting mechanism, the lower driving box is fixedly mounted on the main frame and comprises two lower side plates, a plurality of lower pinch rollers are arranged between the lower side plates, the upper driving box comprises two upper side plates, and a plurality of lower pinch rollers are arranged between the upper side plates. A plurality of upper pressing wheels are arranged between the upper side plates, the tightness adjusting mechanism comprises a front connecting mechanism and a rear connecting mechanism, a rear sealing plate is arranged on the rear portion of the lower driving box, a threading opening is formed in the middle of the rear sealing plate, and an adjusting screw rod is further arranged on the rear sealing plate; and the adjusting screw rod moves in the through hole, so that the upper driving box moves back and forth above the lower driving box to realize pre-clamping or returning action. According to the strand pulling machine, steel strands or steel bars of different models can be threaded, even a plurality of steel strands or steel bars can be threaded at a time under the condition that resistance is small, and compared with an existing strand pulling machine, the strand pulling machine has the advantages of being high in flexibility, relatively simple in structure, relatively small in size, light in weight and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction equipment field especially relates to a portable integral threading machine. BACKGROUND

[0002] The threading machine is mainly applied to the threading of bridge girder steel strand or reinforcing steel bar, and has the advantages of time saving, labor saving, effort saving, safety, convenience and speediness, and can effectively improve the threading efficiency during bridge construction operation.

[0003] The existing threading machine has the following deficiencies: the threading machine cannot be flexibly adjusted according to the actual situation, and usually only one machine can be used for the threading of one type of steel strand or reinforcing steel bar, so the adaptability is poor; when multiple types of steel strand or reinforcing steel bar are threaded or multiple steel strands or reinforcing steel bars are simultaneously threaded, multiple machines or multiple types of auxiliary devices need to be configured; or, in order to ensure the stability of operation, the existing threading machine has a large volume and a heavy weight, such as the patent No. CN202011308688.1 discloses a prestressed integral threading platform truck, which includes a truck body, a scissor type lifting platform arranged on the truck body, and a lifting platform arranged on the scissor type lifting platform; the structure of the truck is relatively complex, and a large working space is occupied during use, and the truck is not convenient to carry, so the construction site environment has a large limitation. SUMMARY

[0004] The utility model aims at providing a portable integral threading machine with a small volume, which can be flexibly adjusted to adapt to different sizes of steel strand or reinforcing steel bar or multiple steel strands or reinforcing steel bars, and aims at solving the problems of poor adaptability, large volume and weight, and inconvenience in carrying and using of the existing threading machine.

[0005] The utility model discloses a technical scheme is: a kind of portable whole threading machine, including main frame, lower drive box, upper drive box, drive motor and tightness adjusting mechanism, the lower drive box is fixedly installed on the main frame, lower drive box top and rear portion are set to open, and lower drive box includes two lower side plates, multiple lower pressure wheels are arranged between lower side plate, and lower pressure wheel is long barrel, one end of lower pressure wheel is installed on lower side plate by bearing, and its other end is installed on another lower side plate by bearing, one lower transmission gear is arranged on the position of each lower pressure wheel close to lower side plate end, and driving shaft is arranged between two lower transmission gears, and driving shaft one end is provided with driving gear, and driving shaft other end is provided with pulley, and driving gear is engaged with lower transmission gear on its two sides, and pulley is connected with the output end of drive motor by belt, and variable gear is arranged between remaining lower transmission gears, and variable gear is engaged with lower transmission gear on its two sides, the bottom and rear portion of upper drive box are set to open, and upper drive box includes two upper side plates, and multiple upper pressure wheels are arranged between upper side plate, and upper pressure wheel is long barrel, one end of upper pressure wheel is installed on upper side plate by bearing, and its other end is installed on another upper side plate by bearing, one upper transmission gear is arranged on the position of each upper pressure wheel close to its end, and upper transmission gear is engaged with lower transmission gear, and the tightness adjusting mechanism includes front connecting mechanism and rear connecting mechanism, and upper shaft and lower shaft are arranged in front connecting mechanism and rear connecting mechanism, and upper shaft is installed between two upper side plates, and lower shaft is installed between two lower side plates, and connecting plate is arranged between upper shaft and lower shaft, and connecting plate upper portion is movably connected with upper shaft, and connecting plate lower portion is movably connected with lower shaft, and one adapter is arranged on the upper shaft of rear connecting mechanism, and one end of adapter is movably connected with the upper shaft of rear connecting mechanism, and the other end of adapter is provided with connecting block, and connecting block is movably connected with adapter, and screw hole is arranged on connecting block, the rear portion of lower drive box is provided with a rear sealing plate, and the length of upper drive box is less than the length of lower drive box, and rear sealing plate is fixedly connected with lower drive box, and one adjusting space is formed between upper drive box and rear sealing plate, threading hole is arranged in the middle position of rear sealing plate, and upper portion is provided with a through hole, and adjusting screw is further arranged on rear sealing plate, and adjusting screw passes through the through hole from outside to inside and then enters the screw hole, and adjusting screw moves in the through hole to make upper drive box move back and forth above lower drive box to realize pre-clamping or reset action.

[0006] The further technical scheme of the utility model is: the adapter includes left connecting part and right connecting part, and the front end of left connecting part and right connecting part is movably connected with the upper shaft of rear connecting mechanism, and one mounting pivot is arranged between the rear end of left connecting part and the rear end of right connecting part, and connecting block is mounted on mounting pivot, so that the adjusting performance is improved.

[0007] The further technical scheme of the utility model discloses: the upper pressure wheel and lower pressure wheel are rubber wheels or polyurethane wheels.

[0008] The further technical scheme of the utility model discloses: the upper pressure wheel and lower pressure wheel are steel wheels.

[0009] The further technical scheme of the utility model discloses: the upper drive box body top is provided with the reinforcing strip, improves the firmness of machine.

[0010] The further technical scheme of the utility model discloses: the adjusting screw is provided with the steel strand or reinforcing steel type mark, can check out the size corresponding steel strand or reinforcing steel of the current size that is being worn.

[0011] The utility model discloses the beneficial effect is: due to adopting above -mentioned technical scheme, the portable type whole bundle machine of the utility model can wear different type steel strand or reinforcing steel, even under the condition that resistance is smaller can wear and send multiple steel strand or reinforcing steel one time, can automatically adjust the distance between upper pressure wheel and lower pressure wheel according to actual situation, makes and presses the force of clamping reach the best state, relative to the existing bundle machine, has the advantages such as high flexibility, relatively simple structure, relatively small volume, lighter weight, convenient to use. DRAWINGS

[0012] Figure 1 It is the whole structure schematic diagram of the portable type whole bundle machine of the utility model discloses:

[0013] Figure 2 It is the internal structure schematic diagram of the upper and lower drive box, upper drive box of the utility model discloses. Specific embodiments

[0014] The utility model will be further explained in connection with the drawings and specific embodiments.

[0015] Embodiment:

[0016] As Figure 1 , 2The light whole threading machine shown includes a main frame 1, a lower drive box 2, an upper drive box 3, a drive motor 4 and a tightness adjusting mechanism 8, the lower drive box is fixedly installed on the main frame, the top and rear of the lower drive box are provided in an open shape, the lower drive box includes two lower side plates, a plurality of lower pressing wheels are arranged between the lower side plates, the lower pressing wheels are long tube-shaped, one end of the lower pressing wheel is installed on the lower side plate through a bearing, the other end thereof is installed on the other lower side plate through a bearing, a lower transmission gear 10 is arranged on the position close to the end of each lower pressing wheel, a drive shaft 21 is arranged between two lower transmission gears, a drive gear 22 is arranged at one end of the drive shaft, a belt pulley 23 is arranged at the other end of the drive shaft, the drive gear is engaged with the lower transmission gears on both sides thereof, the belt pulley is connected with the output end of the drive motor 4 through a belt 5, a direction changing gear 24 is arranged between the remaining lower transmission gears, the direction changing gear is engaged with the lower transmission gears on both sides thereof, the bottom and rear of the upper drive box are provided in an open shape, the upper drive box includes two upper side plates, a plurality of upper pressing wheels 7 are arranged between the upper side plates, the upper pressing wheels are long tube-shaped, one end of the upper pressing wheel is installed on the upper side plate through a bearing, the other end thereof is installed on the other upper side plate through a bearing, an upper transmission gear 71 is arranged on the position close to the end of each upper pressing wheel, the upper transmission gear 71 is engaged with the lower transmission gear 10, the tightness adjusting mechanism includes a front connecting mechanism and a rear connecting mechanism, the front connecting mechanism and the rear connecting mechanism are both provided with an upper shaft and a lower shaft, the upper shaft is installed between the two upper side plates, the lower shaft is installed between the two lower side plates, a connecting plate 6 is arranged between the upper shaft and the lower shaft, the upper part of the connecting plate is movably connected with the upper shaft, the lower part of the connecting plate is movably connected with the lower shaft, an adapter is arranged on the upper shaft of the rear connecting mechanism, one end of the adapter is movably connected with the upper shaft of the rear connecting mechanism, the other end of the adapter is provided with a connecting block 12, the connecting block is movably connected with the adapter, the connecting block is provided with a screw hole, the rear of the lower drive box is provided with a rear sealing plate 13, the length of the upper drive box is less than that of the lower drive box, the rear sealing plate is fixedly connected with the lower drive box, an adjusting space is formed between the upper drive box and the rear sealing plate, a threading hole is arranged at the middle position of the rear sealing plate, an upper hole is arranged at the upper part of the rear sealing plate, an adjusting screw 14 is further arranged on the rear sealing plate, the adjusting screw passes through the upper hole from outside to inside and then penetrates into the screw hole, the movement of the adjusting screw in the upper hole enables the upper drive box to move forward and backward above the lower drive box to realize the pre-clamping or return action. Due to the supporting action of the connecting plate, an active channel is formed between the upper pressing wheels and the lower pressing wheels, so that the clamping or loosening of different sizes of steel cables or a plurality of whole steel cables can be realized.Before each start, pull the adjusting screw first, so that the upper drive box and the lower drive are misaligned with each other, and the conveying space is formed between the upper pressing wheel and the lower pressing wheel, the steel strand or the steel bar is placed between the upper pressing wheel and the lower pressing wheel, and after starting, the upper pressing wheel and the lower pressing wheel will automatically form the best clamping force (excessive clamping force will cause damage to the steel strand or the steel bar, and small clamping force will cause slipping phenomenon and cannot normally convey the steel strand or the steel bar) to realize the conveying of the steel strand or the steel bar.

[0017] Further, the adapter includes a left connecting part and a right connecting part, the front ends of the left connecting part and the right connecting part are movably connected with the upper shaft of the rear connecting mechanism, and a mounting rotating shaft is arranged between the rear end of the left connecting part and the rear end of the right connecting part, and the connecting block is mounted on the mounting rotating shaft, so that the adjusting performance is improved.

[0018] Further, the upper pressing wheel and the lower pressing wheel are rubber pressing wheels or polyurethane pressing wheels or steel wheels. When the workpieces are a plurality of bundled steel strands, the rubber pressing wheels or the polyurethane pressing wheels are better, are not easy to slip, and have good bundle-penetrating effect, but the wheels of the material are vulnerable parts, and the steel wheels are preferably used when the bundle-penetrating or cable-penetrating force is not required to be too large.

[0019] Further, the top of the upper drive box body is provided with a reinforcing strip 15, so that the firmness of the machine is improved.

[0020] The driving motor of the device is provided with a handle controller or a button control panel, so that the operation and use are facilitated.

[0021] When the device is produced and debugged, corresponding steel strand or steel bar model marks can be arranged on different positions of the adjusting screw, and when the adjusting screw is moved to the positions of the steel strand or steel bar model marks in the through hole, the corresponding size model of the steel strand or the steel bar can be checked without stopping the machine.

[0022] The above only describes preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A portable unit for threading a needle, characterized in that: The utility model provides a kind of double-sided adjustable clamping device, including main frame, lower drive box, upper drive box, drive motor and tightness adjusting mechanism, the lower drive box is fixedly installed on the main frame, lower drive box top and rear are set to open, and the lower drive box includes two lower side plates, and multiple lower pressing wheels are arranged between lower side plates, and the lower pressing wheel is long barrel, one end of the lower pressing wheel is installed on lower side plate by bearing, and the other end is installed on another lower side plate by bearing, and a lower transmission gear is arranged on the position of each lower pressing wheel close to lower side plate end, and driving shaft is arranged between two lower transmission gears, and driving gear is arranged on one end of driving shaft, and belt pulley is arranged on the other end of driving shaft, and driving gear is engaged with lower transmission gear on its two sides, and belt pulley is connected with the output end of drive motor by belt, and direction-changing gear is arranged between remaining lower transmission gears, and direction-changing gear is engaged with lower transmission gear on its two sides, and the bottom and rear of upper drive box are set to open, and the upper drive box includes two upper side plates, and multiple upper pressing wheels are arranged between upper side plates, and the upper pressing wheel is long barrel, one end of the upper pressing wheel is installed on upper side plate by bearing, and the other end is installed on another upper side plate by bearing, and an upper transmission gear is arranged on the position of each upper pressing wheel close to its end, and the upper transmission gear is engaged with lower transmission gear, and the tightness adjusting mechanism includes front connecting mechanism and rear connecting mechanism, and the upper shaft and lower shaft of front connecting mechanism and rear connecting mechanism are all arranged, and the upper shaft is installed between two upper side plates, and the lower shaft is installed between two lower side plates, and the connecting plate is arranged between upper shaft and lower shaft, and the upper part of connecting plate is movably connected with the upper shaft, and the lower part of connecting plate is movably connected with the lower shaft, and the upper shaft of rear connecting mechanism is provided with an adapter, and one end of adapter is movably connected with the upper shaft of rear connecting mechanism, and the other end of adapter is provided with connecting block, and connecting block is movably connected with adapter, and connecting block is provided with screw hole, and the rear of lower drive box is provided with a rear sealing plate, and the length of upper drive box is less than the length of lower drive box, and rear sealing plate is fixedly connected with lower drive box, and the adjusting space is formed between upper drive box and rear sealing plate, and the middle position of rear sealing plate is provided with threading hole, and the upper part is provided with a through hole, and adjusting screw is further arranged on rear sealing plate, and adjusting screw passes through the through hole from outside to inside and then penetrates into the screw hole, and adjusting screw moves in the through hole to make the upper drive box move forward and backward above lower drive box to realize pre-clamping or reset action.

2. The portable unitary threading machine according to claim 1, characterized in that: The adapter includes left connecting part and right connecting part, and the front end of left connecting part and right connecting part is movably connected with the upper shaft of rear connecting mechanism, and a mounting rotating shaft is arranged between the rear end of left connecting part and the rear end of right connecting part, and the connecting block is mounted on the mounting rotating shaft.

3. The portable unitary threading machine according to claim 1, characterized in that: The upper pressing wheel and lower pressing wheel are rubber wheel or polyurethane wheel.

4. The portable unitary threading machine according to claim 1, characterized in that: The upper pressing wheel and lower pressing wheel are steel wheel.

5. The portable unitary threading machine according to claim 1, wherein: The top of upper drive box body is provided with reinforcing strip.

6. The portable unitary threading machine according to claim 1, characterized in that: Marking of steel strand or reinforcing bar is arranged on the adjusting screw.

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