CN219025752U

CN219025752U - Automatic pier head device for tubular pile steel bars

Info

Publication number: CN219025752U
Application number: CN202221877129.7U
Authority: CN
Inventors: 叶学贤; 叶永盛
Original assignee: Nanzhu Building Materials Zhaoqing Co ltd
Current assignee: Nanzhu Building Materials Zhaoqing Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2023-05-16
Anticipated expiration: 2032-07-20

Abstract

The utility model discloses an automatic pier head device for tubular pile steel bars, which comprises a frame; the clamping mechanism is used for clamping the reinforcing steel bars, is arranged on the rack and is provided with a first bracket, two clamping blocks arranged on the first bracket and a driving assembly for driving the two clamping blocks to clamp or loosen; the pier head mechanism is used for upsetting the end part of the steel bar, is arranged on the frame and is provided with a pier head seat, a heating block arranged on the pier head seat and an oil cylinder for driving the pier head seat to be close to or far away from the end part of the steel bar, the pier head seat is provided with a straight through groove, the heating block is slidably connected with the straight through groove, the pier head seat is provided with a threaded hole and a locking bolt screwed with the threaded hole, the threaded hole is communicated with one side wall of the straight through groove, and the bottom end of the locking bolt penetrates through the threaded hole and is in butt joint with one side of the heating block. The utility model can improve the utilization rate of the heating block, reduce the replacement frequency of the heating block and save the production cost.

Description

Automatic pier head device for tubular pile steel bars

Technical Field

The utility model relates to the technical field of pipe pile production equipment, in particular to an automatic pipe pile reinforcement heading device.

Background

In the production process of the concrete pipe pile, the prestressed pipe pile reinforcement cage is placed in a mould, concrete casting is carried out, centrifugal forming is carried out in the mould, and finally, the finished pipe pile is manufactured by high-temperature steam curing. The structure of the prestressed pipe pile reinforcement cage comprises a plurality of prestressed steel bars and steel wires spirally wound on the prestressed steel bars, and is connected with each prestressed steel bar in a winding welding mode, so that the prestressed steel bars are wrapped with hoops. The two ends of the prestressed reinforcement are upset, and the two upset ends are fixed through end plates to form tension. In the finished product of the concrete pipe pile, the prestressed reinforcement presents a tensile stress state under the support of the solidified concrete, and when the product bears weight, the compressive stress and the tensile stress in the prestressed reinforcement are balanced.

When upsetting the two ends of the prestressed reinforcement, a pier head machine is generally used, the pier head machine is provided with a heating block, the head of the prestressed reinforcement is abutted with the heating block, the head of the prestressed reinforcement is electrically heated to a certain temperature and then pressurized, and the abutting part of the heating block and the prestressed reinforcement is easy to wear due to the higher temperature of the heating block during operation, so that the worn heating block needs to be replaced.

However, the heating blocks in the existing pier head machine are frequently replaced, thereby increasing the production cost.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the automatic pier head device for the tubular pile steel bars can improve the utilization rate of the heating blocks, reduce the replacement frequency of the heating blocks and save the production cost.

According to the embodiment of the utility model, the automatic pier head device for the tubular pile steel bar comprises: a frame; the clamping mechanism is used for clamping the reinforcing steel bars, is arranged on the rack and is provided with a first bracket, two clamping blocks arranged on the first bracket and a driving assembly for driving the two clamping blocks to clamp or loosen; the pier head mechanism is used for upsetting the end part of the steel bar, is arranged on one side of the clamping mechanism along the length direction of the steel bar, is provided with a pier head seat, a heating block arranged on the pier head seat and an oil cylinder for driving the pier head seat to be close to or far away from the end part of the steel bar, the pier head seat is provided with a straight through groove, the heating block is slidably connected with the straight through groove, the pier head seat is provided with a threaded hole and a locking bolt screwed with the threaded hole, the threaded hole is communicated with one side wall of the straight through groove, and the bottom end of the locking bolt penetrates through the threaded hole and is in butt joint with one side of the heating block.

The automatic pier head device for the tubular pile steel bars has the following beneficial effects:

1. according to the utility model, the clamping mechanism is arranged, and the driving assembly drives the two clamping blocks to clamp and fix the steel bars, so that the steel bars are prevented from moving in the pier head process, and the shape behind the pier head is prevented from deforming.

2. According to the utility model, the pier head mechanism is arranged, the oil cylinder drives the pier head seat and the heating block to be close to the end part of the steel bar together, so that the heating block is abutted with the end part of the steel bar, the end part of the steel bar is gradually heated and softened, and then the oil cylinder continues to drive the pier head seat and the heating block to move together, so that pressure is applied to the end part of the steel bar, and the end part of the steel bar is thickened, thereby realizing automatic upsetting of the end part of the steel bar.

3. According to the utility model, the heating block is slidably connected in the straight through groove, the locking bolt is screwed, so that the heating block can be locked or unlocked, when the contact part between the heating block and the end part of the steel bar is severely worn, the locking bolt is unscrewed, and then the heating block slides in the straight through groove for a certain distance, so that the other contact part of the heating block is contacted with the end part of the steel bar, the utilization rate of the heating block can be improved, the replacement frequency of the heating block is reduced, and the production cost is saved.

According to some embodiments of the utility model, the heating block is elongated.

The beneficial effects are that: the heating block is made to be long, so that the heating block can be provided with a plurality of different contact points with the end part of the reinforcing steel bar, and the replacement frequency of the heating block is further reduced.

According to some embodiments of the utility model, the heating block has a melting point higher than a melting point of the rebar.

The beneficial effects are that: by making the melting point of the heating block higher than that of the steel bar, when the end of the steel bar is abutted with the heating block, the end of the steel bar is easily heated and softened rapidly, thereby improving the production efficiency.

According to some embodiments of the utility model, two opposite sides of the clamping blocks are respectively provided with a semicircular arc groove, and the two semicircular arc grooves are matched to form a clamping hole for clamping the reinforcing steel bar.

The beneficial effects are that: through setting up semicircle groove, when two clamp blocks press from both sides tight to the reinforcing bar, semicircle groove can even with reinforcing bar outer peripheral face butt to, make clamping force evenly act on the reinforcing bar outer peripheral face, the clamping bar of being convenient for prevents to take place not hard up at pier nose in-process.

According to some embodiments of the present utility model, a rotating shaft is respectively disposed between the two clamping blocks and the first support, the two rotating shafts are disposed in parallel with each other, two ends of the rotating shaft are respectively connected with the first support in a rotating manner, the clamping blocks are fixed on the rotating shaft, and the driving assembly drives the two clamping blocks to turn in opposite directions.

The beneficial effects are that: through setting up the pivot, press from both sides tight piece and fix in the pivot, drive assembly can drive two tight pieces of clamp and overturn along opposite direction to, make compact structure, reduce the occupation space of equipment.

According to some embodiments of the utility model, the driving assembly comprises a cylinder and a connecting rod, one end of the connecting rod is hinged with the telescopic end of the cylinder, the other end of the connecting rod is fixedly connected with one of the clamping blocks, and one end of the cylinder, which is far away from the connecting rod, is hinged with the frame.

The beneficial effects are that: through setting up cylinder and connecting rod, the flexible connecting rod motion that can drive of cylinder, connecting rod drive one of them clamp block upset along the pivot to, can realize the upset of clamp block, simple structure easily realizes.

According to some embodiments of the utility model, two gears meshed with each other are arranged between the two clamping blocks, and the two gears are respectively arranged on the two rotating shafts.

The beneficial effects are that: through setting up two intermeshing's gear, when the cylinder drove one of them clamp block upset, one of them clamp block drove one of them pivot and gear rotation, one of them gear and another one gear meshing make another one gear rotate along opposite direction, and then, another one gear drives another one clamp block and rotates jointly to, only need a cylinder just can drive two clamp blocks and overturn along opposite direction simultaneously, save equipment cost.

According to some embodiments of the utility model, a U-shaped seat is arranged between the clamping block and the rotating shaft, the U-shaped seat is provided with an opening, one end of the U-shaped seat, which is close to the opening, is fixedly connected with the rotating shaft, one end of the U-shaped seat, which is far away from the opening, is fixedly connected with the clamping block, and two sides of the opening are respectively positioned at two sides of the gear.

The beneficial effects are that: through setting up the U-shaped seat, press from both sides tight piece and pivot between through U-shaped seat fixed connection, the U-shaped seat is provided with the opening, and the opening both sides are located the gear both sides respectively to, make press from both sides tight piece atress balanced in the upset in-process, moreover, the opening can avoid the interference to the gear, makes compact structure.

According to some embodiments of the utility model, the support mechanism is used for supporting the reinforcing steel bars and is arranged on the frame, the support mechanism is provided with two support seats, and the two support seats are respectively positioned on two sides of the first support along the length direction of the reinforcing steel bars.

The beneficial effects are that: through setting up supporting mechanism, one of them supporting seat can support reinforcing bar bottom one side, and another supporting seat can support reinforcing bar bottom opposite side to, clamping mechanism is convenient for press from both sides the reinforcing bar.

According to some embodiments of the utility model, the support base is provided with a limit groove, the length direction of the limit groove extends along the length direction of the steel bar, and the limit groove is used for accommodating the steel bar.

The beneficial effects are that: through setting up the spacing inslot, the reinforcing bar is placed in the spacing inslot, can fix a position the reinforcing bar to, can both accurately aim at the heating block when guaranteeing to carry out the pier nose to the reinforcing bar at every turn.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural view of an automatic pile head device for pile reinforcement according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the clamping mechanism of FIG. 1 from another perspective;

FIG. 3 is a schematic view of the clamping mechanism of FIG. 2 in an undamped condition;

FIG. 4 is a schematic view of the pier seat of FIG. 1 from another perspective;

fig. 5 is a schematic structural view of the support base in fig. 1 from another view.

Reference numerals: 100-frame, 110-clamping mechanism, 120-first support, 130-clamping block, 140-driving assembly, 150-pier head mechanism, 160-pier head seat, 170-heating block, 180-oil cylinder, 190-straight through groove, 200-locking bolt, 210-semicircular groove, 220-rotating shaft, 230-cylinder, 240-connecting rod, 250-gear, 260-U-shaped seat, 270-supporting seat and 280-limiting groove.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

An automatic pier head device for a tubular pile reinforcement according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

Referring to fig. 1 to 5, an automatic pier head apparatus for a pipe pile reinforcement according to an embodiment of the present utility model includes a frame 100, a supporting mechanism provided on the frame 100, a clamping mechanism 110, and a pier head mechanism 150.

The supporting mechanism is provided with two supporting seats 270, the two supporting seats 270 are sequentially arranged along the length direction of the steel bar, and the two supporting seats 270 respectively support two sides of the bottom of the steel bar.

Specifically, the supporting seat 270 top is provided with spacing groove 280, and spacing groove 280 is used for the holding reinforcing bar, when the reinforcing bar was placed in spacing groove 280, can fix a position the reinforcing bar to, guarantee to all can keep in the same position when carrying out the pier nose to the reinforcing bar at every turn, improve the precision and the stability of equipment.

In place, the clamping mechanism 110 is located between two supporting seats 270, and has a first bracket 120, two clamping blocks 130 disposed on the first bracket 120, and a driving assembly 140 for driving the two clamping blocks 130 to clamp or unclamp, where the two clamping blocks 130 are used to clamp the reinforcing steel bar, thereby preventing the reinforcing steel bar from moving during the pier head process, and causing deformation of the shape behind the pier head.

For pier head mechanism 150 for the pier thick to the reinforcing bar tip, have pier head seat 160, set up at pier head seat 160's heating block 170, drive pier head seat 160 is close to or keep away from the hydro-cylinder 180 of reinforcing bar tip, pier head seat 160 keeps away from hydro-cylinder 180 one end and is provided with a word and lead to groove 190, heating block 170 sets up in a word and leads to groove 190, heating block 170 can slide along a word and lead to groove 190 length direction, pier head seat 160 is provided with the screw hole, with the locking bolt 200 of screw hole spin, the screw hole communicates with each other with a word and leads to groove 190 lateral wall, locking bolt 200 bottom passes the screw hole and with heating block 170 one side butt.

In operation, the steel bar is placed in the limit groove 280 of the support seat 270, then, the driving assembly 140 drives the two clamping blocks 130 to clamp the steel bar together, at this time, the oil cylinder 180 drives the pier seat 160 and the heating block 170 to be close to the end part of the steel bar together, so that the heating block 170 is abutted against the end part of the steel bar, the end part of the steel bar is gradually heated and softened, then, the oil cylinder 180 continues to drive the pier seat 160 and the heating block 170 to move together, and pressure is applied to the end part of the steel bar, so that the end part of the steel bar is thickened, and therefore, the automatic upsetting of the end part of the steel bar can be realized.

When the contact part between the heating block 170 and the end part of the steel bar is severely worn, the locking bolt 200 is only required to be unscrewed, and then the heating block 170 slides in the straight through groove 190 for a certain distance, so that the other contact part of the heating block 170 is in contact with the end part of the steel bar, thereby improving the utilization rate of the heating block 170, reducing the replacement frequency of the heating block 170 and saving the production cost.

Referring to fig. 4, in some preferred embodiments, the heating block 170 is elongated, and the length of the heating block 170 extends along the length of the linear channel 190.

It can be appreciated that by making the heating block 170 elongated, the heating block 170 can have a plurality of different abutment points with the ends of the reinforcing bars, thereby further reducing the frequency of replacement of the heating block 170.

In some preferred embodiments, the melting point of the heating block 170 is higher than the melting point of the rebar.

It can be appreciated that by making the melting point of the heating block 170 higher than that of the reinforcing bars, when the reinforcing bar ends are abutted against the heating block 170, the reinforcing bar ends are easily softened by rapid heating, thereby improving the production efficiency.

Referring to fig. 2 and 3, in some preferred embodiments, opposite sides of the two clamping blocks 130 are provided with semicircular grooves 210, respectively, and the two semicircular grooves 210 cooperate to form a clamping hole for clamping the reinforcing bars.

It can be appreciated that by providing the semicircular groove 210, when the two clamping blocks 130 clamp the reinforcing steel bar, the semicircular groove 210 can be uniformly abutted against the outer circumferential surface of the reinforcing steel bar, so that the clamping force is uniformly applied to the outer circumferential surface of the reinforcing steel bar, the reinforcing steel bar is conveniently clamped, and the loosening in the pier head process is prevented.

In some preferred embodiments, a rotating shaft 220 is disposed between the two clamping blocks 130 and the first bracket 120, the two rotating shafts 220 are disposed parallel to each other, two ends of the rotating shaft 220 are respectively connected with the first bracket 120 in a rotating manner, the clamping blocks 130 are fixed on the rotating shaft 220, and the driving assembly 140 drives the two clamping blocks 130 to turn in opposite directions.

It can be appreciated that by providing the rotating shaft 220, the clamping blocks 130 are fixed on the rotating shaft 220, and the driving assembly 140 can drive the two clamping blocks 130 to turn in opposite directions, so that the structure is compact, and the occupied space of the device is reduced.

In some preferred embodiments, the driving assembly 140 has a cylinder 230 and a link 240, one end of the link 240 is hinged to the telescopic end of the cylinder 230, the other end of the link 240 is fixedly connected to one of the clamping blocks 130, and the end of the cylinder 230 remote from the link 240 is hinged to the frame 100.

It can be appreciated that by arranging the air cylinder 230 and the connecting rod 240, the air cylinder 230 can stretch and retract to drive the connecting rod 240 to move, and the connecting rod 240 drives one of the clamping blocks 130 to turn over along the rotating shaft 220, so that the clamping blocks 130 can be turned over, and the structure is simple and easy to realize.

In some preferred embodiments, two intermeshing gears 250 are provided between the two clamping blocks 130, the two gears 250 being provided on the two shafts 220, respectively.

It can be appreciated that by providing two gears 250 meshed with each other, when the air cylinder 230 drives one of the clamping blocks 130 to turn over, one of the clamping blocks 130 drives one of the rotating shafts 220 and the gears 250 to rotate, one of the gears 250 meshes with the other gear 250, so that the other gear 250 rotates in the opposite direction, and the other gear 250 drives the other clamping block 130 to rotate together, so that only one air cylinder 230 is required to drive the two clamping blocks 130 to turn over in the opposite direction at the same time, and the equipment cost is saved.

In some preferred embodiments, a U-shaped seat 260 is disposed between the clamping block 130 and the rotating shaft 220, the U-shaped seat 260 is provided with an opening, one end of the U-shaped seat 260 close to the opening is fixedly connected with the rotating shaft 220, one end of the U-shaped seat 260 far away from the opening is fixedly connected with the clamping block 130, and two sides of the opening are respectively located at two sides of the gear 250.

It can be appreciated that by arranging the U-shaped seat 260, the clamping block 130 is fixedly connected with the rotating shaft 220 through the U-shaped seat 260, the U-shaped seat 260 is provided with an opening, and two sides of the opening are respectively positioned at two sides of the gear 250, so that the clamping block 130 is stressed and balanced in the overturning process, and the opening can avoid interference to the gear 250, so that the structure is compact.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. Automatic pier nose device of tubular pile reinforcing bar, its characterized in that includes:

a frame (100);

the clamping mechanism (110) is used for clamping the reinforcing steel bars, is arranged on the frame (100) and is provided with a first bracket (120), two clamping blocks (130) arranged on the first bracket (120) and a driving assembly (140) for driving the two clamping blocks (130) to clamp or unclamp;

pier nose mechanism (150) for carry out the mound thick to the reinforcing bar tip, set up frame (100), be located along reinforcing bar length direction clamping mechanism (110) one side has pier nose seat (160), sets up heating piece (170) of pier nose seat (160), drive pier nose seat (160) are close to or keep away from hydro-cylinder (180) of reinforcing bar tip, pier nose seat (160) are provided with a word and lead to groove (190), heating piece (170) sliding connection is in a word leads to groove (190), pier nose seat (160) are provided with the screw hole, with locking bolt (200) that the screw hole revolved and closes, the screw hole with a word leads to groove (190) a side wall and communicates with each other, locking bolt (200) bottom pass the screw hole and with heating piece (170) one side butt.

2. The automatic pier head device for the pipe pile reinforcement according to claim 1, wherein the heating block (170) is in a long strip shape.

3. The automatic pier head apparatus of a pile reinforcement bar according to claim 1, wherein the heating block (170) has a melting point higher than that of the reinforcement bar.

4. The automatic pier head device for the tubular pile steel bars according to claim 1, wherein the two opposite sides of the clamping blocks (130) are respectively provided with a semicircular arc groove (210), and the two semicircular arc grooves (210) are matched to form a clamping hole for clamping the steel bars.

5. The automatic pier head device for the tubular pile steel bars according to claim 1, wherein rotating shafts (220) are respectively arranged between the two clamping blocks (130) and the first support (120), the two rotating shafts (220) are mutually parallel, two ends of each rotating shaft (220) are respectively connected with the first support (120) in a rotating mode, the clamping blocks (130) are fixed on the rotating shafts (220), and the driving assembly (140) drives the two clamping blocks (130) to overturn in opposite directions.

6. The automatic pier head device for the tubular pile steel bars according to claim 1, wherein the driving assembly (140) is provided with an air cylinder (230) and a connecting rod (240), one end of the connecting rod (240) is hinged with the telescopic end of the air cylinder (230), the other end of the connecting rod (240) is fixedly connected with one of the clamping blocks (130), and one end of the air cylinder (230) away from the connecting rod (240) is hinged with the frame (100).

7. The automatic pier head device for the tubular pile steel bar according to claim 5, wherein two gears (250) meshed with each other are arranged between the two clamping blocks (130), and the two gears (250) are respectively arranged on the two rotating shafts (220).

8. The automatic pier head device for the tubular pile steel bars according to claim 7, wherein a U-shaped seat (260) is arranged between the clamping block (130) and the rotating shaft (220), the U-shaped seat (260) is provided with an opening, one end, close to the opening, of the U-shaped seat (260) is fixedly connected with the rotating shaft (220), one end, far away from the opening, of the U-shaped seat (260) is fixedly connected with the clamping block (130), and two sides of the opening are respectively positioned at two sides of the gear (250).

9. The automatic pier head device for the tubular pile steel bar according to claim 1, further comprising a supporting mechanism for supporting the steel bar and arranged on the frame (100), wherein the supporting mechanism is provided with two supporting seats (270), and the two supporting seats (270) are respectively arranged on two sides of the first bracket (120) along the length direction of the steel bar.

10. The automatic pier head device for the tubular pile steel bars according to claim 9, wherein the supporting seat (270) is provided with a limiting groove (280), the length direction of the limiting groove (280) extends along the length direction of the steel bars, and the limiting groove (280) is used for accommodating the steel bars.