CN110625779A - Automatic tensioning equipment for prestressed concrete pole - Google Patents

Abstract

The invention discloses automatic prestressed concrete pole tensioning equipment, and belongs to the technical field of tensioning machine equipment. The pipe die tensioning device is wide in application range, can be used for tensioning pipe dies with different sizes, and personnel do not need to operate around the device during working, so that the safety of the device is greatly improved.

Description

Automatic tensioning equipment for prestressed concrete pole

Technical Field

The invention belongs to the technical field of tensioning machine equipment, and particularly relates to automatic prestressed concrete pole tensioning equipment.

Background

The concrete is a brittle material, the compressive strength is very high, but the tensile/bending strength is low, the concrete is pulled or bent and can crack in a very small tensile stress/tensile strain state, common reinforced concrete structures such as beams and plates are generally in a bent state, the steel bars are not always subjected to very large bending stress, cracks are generated in a concrete bent area, and even the steel bars can be exposed and rusted. Therefore, the bearing capacity of the steel bars in the beam-slab structure of the common reinforced concrete is far from being exerted.

The prestressed concrete is characterized in that reinforcing steel bars or high-strength steel strands are stretched in advance along the bending and pulling direction, and the stretched reinforcing steel bars are anchored on the concrete, so that the prestressed stress is applied to the concrete along the bending and pulling direction of the structure, the magnitude of the prestressed stress is controlled, the prestressed beam plate can be guaranteed to bear the designed bending load, the concrete bending area basically does not generate tensile stress, cracks do not occur, and the bearing capacity of the beam plate is greatly improved.

In the prior art, the pipe die is tensioned through a tensioning machine, and the tensioning method has the following problems: firstly, the stretching machines in the prior art have various models such as 500T, 300T, 200T and 100T, the models of the pipe dies need to be confirmed manually in the stretching process, the pipe dies are conveyed to the specified stretching machine manually, if errors occur in the models, the stretching fails, resources are wasted, even the stretching machines are damaged, and the production cost is increased; secondly, before the pipe die is stretched by the stretching machine, the stretching machine needs to be manually close to the pipe die to be stretched, a stretching machine support cylinder is abutted against the end face of the pipe die, and meanwhile, a male zipper head of the pipe die and a female zipper head on the stretching machine are screwed together, so that the working strength is high, and potential safety hazards exist; and thirdly, starting a hydraulic station and a control platform in the tensioning system to perform tensioning operation, tensioning corresponding to the tensioning numerical tables of various pipe dies on the machine, manually screwing a locking nut until all tensioning operations are finished, and leading to low production efficiency due to complex manual operation procedures.

Disclosure of Invention

The invention aims to provide automatic prestressed concrete rod tensioning equipment, which solves the technical problems that in the prior art, a single tensioning machine cannot perform tensioning work on pipe dies of different models, and potential safety hazards exist when personnel need to be positioned near the tensioning machine to operate in the working process of the equipment.

The utility model provides an automatic tensioning equipment of prestressed concrete pole, includes pipe die stretch-draw subassembly, straining mechanism, moving mechanism, hydraulic pressure mechanism, pipe die stretch-draw subassembly and pipe die reciprocal anchorage, be equipped with the chip in the pipe die stretch-draw subassembly, be equipped with scanning sensor in the stretching mechanism, straining mechanism, moving mechanism and hydraulic pressure mechanism interconnect are fixed together.

Further, the pipe die tensioning assembly is composed of a bearing plate, a tensioning screw rod, a locking nut and a male tensioning head, the bearing plate, the tensioning screw rod and the locking nut are matched with each other to enable the pipe die tensioning assembly to be fixed with the pipe die, and the male tensioning head is arranged on the tensioning screw rod.

Further, the tensioning mechanism is composed of a supporting cylinder, a rotary pulling device and a female tensioning head, the supporting cylinder and the rotary pulling device are installed on the female tensioning head, and the supporting cylinder is connected with the rotary pulling device.

Further, be equipped with lateral shifting motor and lateral shifting track in the moving mechanism, lateral shifting motor and stretch-draw mechanism interconnect, the lateral shifting motor is connected with the transmission of lateral shifting track.

Furthermore, a longitudinal moving motor and a longitudinal moving track are arranged in the moving mechanism, the longitudinal moving motor is connected with the tensioning mechanism in an interconnecting mode, and the longitudinal moving motor is in transmission connection with the longitudinal moving track in an interconnecting mode.

Further, stretch-draw mechanism's top still is equipped with elevator motor and frame, frame and moving mechanism interconnect, elevator motor installs the top of frame, stretch-draw mechanism installs in the frame.

Furthermore, a height sensor is arranged on the tensioning mechanism.

Furthermore, a plurality of photoelectric sensors are arranged on the rack, and the area surrounded by the plurality of photoelectric sensors is a working area.

Compared with the prior art, the invention has the beneficial effects that:

one is as follows: according to the pipe die tensioning device, the chip is installed on the pipe die tensioning assembly, various related information of the pipe die is recorded in the chip, and pipe dies with different sizes are tensioned through preset data in the hydraulic mechanism.

Secondly, a plurality of photoelectric sensors are arranged on the rack, whether a person enters the equipment in the working process can be detected through the photoelectric sensors, and when the person enters the working range of the equipment, the equipment can be stopped to run emergently, so that the possibility of injury to the person in the running process of the equipment is prevented.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

reference numerals: the pipe die tensioning device comprises a pipe die tensioning assembly 1, a chip 11, a bearing plate 12, a tensioning screw 13, a locking nut 14, a male tensioning head 15, a tensioning mechanism 2, a scanning sensor 21, a supporting cylinder 22, a female tensioning head 23, a rotary pulling device 24, a height sensor 25, a moving mechanism 3, a transverse moving motor 31, a transverse moving rail 32, a longitudinal moving motor 33, a longitudinal moving rail 34, a hydraulic mechanism 4, a lifting motor 5, a rack 51 and a photoelectric sensor 6.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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 invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An automatic tensioning equipment for prestressed concrete poles comprises a pipe die tensioning assembly 1, a tensioning mechanism 2, a moving mechanism 3 and a hydraulic mechanism 4, wherein the pipe die tensioning assembly 1 and the pipe die are fixed to each other, a chip 11 is arranged in the pipe die tensioning assembly 1, information such as a shaft center height value, a reinforcement number and a prestress tensioning value and the like of the pipe die are stored in the chip 11, a scanning sensor 21 is arranged in the tensioning mechanism 2, the moving mechanism 3 and the hydraulic mechanism 4 are fixedly connected to each other, the pipe die tensioning assembly 2 and the pipe die tensioning assembly 1 are connected to each other, when the pipe die tensioning assembly 1 and the tensioning mechanism 2 are connected to each other, the scanning sensor 21 can scan the chip 11 and read data information in the chip 11, different execution instructions are carried out on the pipe dies with different size values, and the hydraulic mechanism 4 is communicated with the tensioning mechanism 2, so that tensioning mechanism 2 drives pipe die tensioning assembly 1 and thereby carry out stretch-draw work to the pipe die, moving mechanism 3 can control tensioning mechanism 2 and carry out free movement, make tensioning mechanism 2 can be nimble with pipe die tensioning assembly 1 interconnect, wherein, the model of chip 11 is MC145583 "RS 232, and scanning sensor 21 is photoelectric sensor, and the model is QS 18.

When the pipe die tensioning device is used, firstly, the tensioning mechanism 2 is controlled to move through the moving mechanism 3, the tensioning mechanism 2 is moved to the pipe die tensioning assembly 1, the pipe die tensioning assembly 1 and the tensioning mechanism 2 are connected and fixed with each other, at the moment, the chip 11 in the pipe die tensioning assembly 1 is scanned through the scanning sensor 21 in the tensioning mechanism 2, data in the chip 11 are read, the hydraulic mechanism 4 is controlled to tension the pipe die through set prestress, after the pipe die tensioning is completed, the tensioning mechanism 2 and the pipe die tensioning assembly 1 are loosened with each other, the tensioning mechanism 2 is controlled to move back to the original position through the moving mechanism 3, and the next group of pipe dies are waited to be tensioned.

Preferably, the pipe die tensioning assembly 1 is composed of a bearing plate 12, a tensioning screw 13, a locking nut 14 and a male tensioning head 15, the bearing plate 12, the tensioning screw 13 and the locking nut 14 are matched with each other to enable the pipe die tensioning assembly 1 to be fixed with the pipe die, and the male tensioning head 15 is arranged on the tensioning screw 13 and can be connected with the tensioning mechanism 2 through the male tensioning head 15.

Preferably, the tensioning mechanism 2 comprises a support cylinder 22, a female tensioning head 23 and a screwing device 24, the female tensioning head 23 corresponds to the male tensioning head 15, when the tensioning mechanism 2 is connected with the pipe die tensioning assembly 1, the male tensioning head 15 is located in the female tensioning head 23, the support cylinder 22 is connected with the screwing device 24, and the support cylinder 22 can be controlled to displace by the screwing device 24, so that the support cylinder 22 can clamp the male tensioning head 15 in the female tensioning head 23.

Preferably, be equipped with lateral shifting motor 31 and lateral shifting track 32 in the moving mechanism 3, lateral shifting motor 31 and tensioning mechanism 2 interconnect, lateral shifting motor 31 is connected with the transmission of lateral shifting track 32, can drive tensioning mechanism 2 through starting lateral shifting motor 31 and carry out lateral shifting, and its effect lies in, makes tensioning mechanism 2 can carry out lateral shifting and pipe die tensioning assembly 1 butt joint.

Preferably, the moving mechanism 3 is provided with a longitudinal moving motor 33 and a longitudinal moving track 34, the longitudinal moving motor 33 is connected with the tensioning mechanism 2, the longitudinal moving motor 33 is in transmission connection with the longitudinal moving track 34, and the tensioning mechanism 2 can be driven to move longitudinally by starting the longitudinal moving motor 33.

Preferably, a lifting motor 5 and a frame 51 are further arranged above the tensioning mechanism 2, the frame 51 is connected with the moving mechanism 3, the lifting motor 5 is mounted at the top of the frame 51, the tensioning mechanism 2 is mounted in the frame 51, the lifting motor 5 can control the tensioning mechanism 2 to vertically move up and down, the working range of the tensioning mechanism 2 is increased, and the automatic tensioning device can automatically tension pipe dies with various heights.

Preferably, the tension mechanism 2 is provided with a height sensor 25, the height sensor 25 can detect the height of the tension mechanism 2, when the lifting height of the tension mechanism 2 is too high, the height sensor 25 gives an alarm and turns off the lifting motor 5 to prevent the tension mechanism 2 from continuously lifting, and the height sensor 25 controls the height of the tension mechanism 2 to prevent the tension mechanism 2 from falling due to unbalance of the center of gravity of the whole equipment after being too high, wherein the model of the height sensor 25 is RP/RH 50-500.

Preferably, the rack 51 is further provided with a plurality of photoelectric sensors 6, the plurality of photoelectric sensors 6 are arranged, the plurality of photoelectric sensors 6 can wrap the working area of the present invention, when the equipment is in a running state, the plurality of photoelectric sensors 6 are automatically started, when a person enters the working area during the running process of the equipment, the person can be detected by the photoelectric sensors 6, the photoelectric sensors 6 can timely give an alarm and send an instruction to the equipment to stop the whole operation of the equipment, the function of the photoelectric sensors is to increase the safety of the equipment and prevent the person from intruding the equipment and being hit by the equipment, wherein the model number of the photoelectric sensors 6 is QS 18.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. The utility model provides an automatic tensioning equipment of prestressed concrete pole, its characterized in that, includes pipe die stretch-draw subassembly (1), stretch-draw mechanism (2), moving mechanism (3), hydraulic pressure mechanism (4), pipe die stretch-draw subassembly (1) and pipe die reciprocal anchorage, be equipped with chip (11) in pipe die stretch-draw subassembly (1), be equipped with scanning sensor (21) in stretch-draw mechanism (2), moving mechanism (3) are together fixed with hydraulic pressure mechanism (4) interconnect.

2. The automatic prestressed concrete pole tensioning device according to claim 1, wherein the pipe die tensioning assembly (1) is composed of a bearing plate (12), a tensioning screw (13), a locking nut (14) and a male tensioning head (15), the bearing plate (12), the tensioning screw (13) and the locking nut (14) are matched with each other to enable the pipe die tensioning assembly (1) and the pipe die to be fixed with each other, and the male tensioning head (15) is arranged on the tensioning screw (13).

3. The automatic prestressed concrete pole tensioning device according to claim 1, wherein the tensioning mechanism (2) is composed of a supporting cylinder (22), a screwing device (24) and a female tensioning slider (23), the supporting cylinder (22) and the screwing device (24) are installed on the female tensioning slider (23), and the supporting cylinder (22) and the screwing device (24) are connected with each other.

4. An automatic prestressed concrete pole tensioning device according to claim 1, characterized in that a transverse moving motor (31) and a transverse moving rail (32) are arranged in the moving mechanism (3), the transverse moving motor (31) is connected with the tensioning mechanism (2), and the transverse moving motor (31) is in transmission connection with the transverse moving rail (32).

5. An automatic prestressed concrete pole tensioning device according to claim 1, characterized in that a longitudinal moving motor (33) and a longitudinal moving rail (34) are provided in the moving mechanism (3), the longitudinal moving motor (33) is connected with the tensioning mechanism (2), and the longitudinal moving motor (33) is in transmission connection with the longitudinal moving rail (34).

6. An automatic prestressed concrete pole tensioning device according to claim 1, characterized in that a lifting motor (5) and a frame (51) are further provided above the tensioning mechanism (2), the frame (51) is connected with the moving mechanism (3), the lifting motor (5) is installed on the top of the frame (51), and the tensioning mechanism (2) is installed in the frame (51).

7. An automatic prestressed concrete pole tensioning device according to claim 1, characterized in that a height sensor (25) is provided on the tensioning means (2).

8. An automatic prestressed concrete pole tensioning device according to claim 1, wherein a plurality of photoelectric sensors (6) are arranged on the machine frame (51), and the area surrounded by the plurality of photoelectric sensors (6) is a working area.