CN218803080U - Tubular pile prestress tensioning device - Google Patents

Abstract

The utility model relates to a tubular pile prestress tensioning device, which comprises a base, a lifting platform, a tensioning mechanism and a control console; the lifting platform comprises a support, the support is arranged on the top surface of the base, a top plate is arranged at the top of the support, a hydraulic cylinder is arranged in the center of the top plate, the hydraulic cylinder is provided with a servo valve, a lifting plate is arranged on the top surface of the hydraulic cylinder, a plurality of sliding rods are uniformly arranged on the top surface of the top plate, the plurality of sliding rods penetrate through the lifting plate, the lifting plate can vertically move along the plurality of sliding rods, and the servo valve is connected with a control console circuit; the front end and the rear end of the bottom surface of the lifting plate are respectively provided with a first buffer spring and a second buffer spring which are detachable, the tensioning mechanism is positioned in the support, the front end and the rear end of the tensioning mechanism are respectively provided with a first sling chain and a second sling chain, and the first sling chain and the second sling chain are respectively detachably connected with the first buffer spring and the second buffer spring. The utility model aims to solve the problems of easy damage and difficult maintenance of the lifting mechanism of the traditional tensioning device.

Description

Tubular pile prestress tensioning device

Technical Field

The utility model relates to a production facility technical field, more specifically say, it relates to a tubular pile prestressing force tensioning equipment.

Background

The tubular pile is a prefabricated engineering pile, as the foundation material of the building, it is driven into the ground by the pile driver, it is used to compact the soil layer, it improves the bearing capacity of the foundation soil, it also transfers the upper building weight into the lower soil layer, it improves the stability of the building, in the process of making the tubular pile, one step is prestress tension, it adds tension in advance to the component by the tension equipment, so that the applied prestress tension component bears the compressive stress, and then it generates a certain deformation, it deals with the load of the structure itself, it includes the load of the component's own weight, wind load, snow load, earthquake load, etc., because the specifications of the tubular pile are different, the tension mechanism of the tension equipment needs to adjust the height to adapt to the size of the tubular pile, the existing tension equipment changes the height position of the tension mechanism by controlling the gear or the screw by the motor, and fixes the height by the gear block or the screw thread, because the weight of the tension mechanism itself is larger, and when the tension mechanism is disconnected with the tubular pile after finishing the tension, therefore the gear and the screw and the tension mechanism is easy to be damaged, it will not changed independently, and it needs to make the maintenance, and it is more time-consuming and more convenient to the maintenance.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a tubular pile prestressing force tensioning equipment for solve in the past tensioning equipment's elevating system fragile, difficult problem of maintaining.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a tubular pile prestress tension device comprises a base, a lifting platform, a tension mechanism for applying prestress to a tubular pile and a control console for controlling the operation of the device;

the lifting platform comprises a support, the support is arranged on the top surface of the base, a top plate is arranged at the top of the support, a hydraulic cylinder is arranged in the center of the top plate and provided with a servo valve, a lifting plate is arranged on the top surface of the hydraulic cylinder, a plurality of sliding rods are uniformly arranged on the top surface of the top plate and penetrate through the lifting plate, the lifting plate can vertically move along the plurality of sliding rods, and the servo valve is connected with a control console through a circuit;

the lifting plate is characterized in that a detachable first buffer spring and a detachable second buffer spring are arranged at the front end and the rear end of the bottom surface of the lifting plate respectively, the tensioning mechanism is located in the support, a first hanging chain and a second hanging chain are arranged at the front end and the rear end of the tensioning mechanism respectively, and the first hanging chain and the second hanging chain are detachably connected with the first buffer spring and the second buffer spring respectively.

In one embodiment, the tubular pile prestress tensioning device further comprises an alarm device, wherein the alarm device comprises a first sensor, a second sensor and an audible and visual alarm;

the audible and visual alarm is positioned above the console, and the first sensor, the second sensor and the audible and visual alarm are all connected with the console through lines;

the first sensor comprises a first transmitter and a first receiver, and the second sensor comprises a second transmitter and a second receiver; the first emitter and the second emitter are respectively arranged at the rear end of the base and are respectively positioned at the left side and the right side of the bracket; the base rear is equipped with first stand and second stand, first stand, second stand all do not all with the base contact, first stand is in same straight line with first transmitter, first receiver sets up in first stand, the second stand is in same straight line with the second transmitter, the second receiver sets up in the second stand.

In one embodiment, a moving groove is formed in the middle of the top surface of the base, a bottom plate is arranged at the bottom of the support and is located in the moving groove, a plurality of pulleys are arranged on the left side and the right side of the bottom surface of the bottom plate respectively, the bottom plate can slide back and forth along the moving groove, a rack is arranged on the bottom surface of the bottom plate and is parallel to the moving groove, a transmission gear is arranged in the middle of the moving groove and is driven by a transmission motor arranged on the bottom surface of the base, and the transmission gear is meshed with the rack.

In one embodiment, a rail is arranged below the base, a guide wheel matched with the rail is arranged below the base, and the base can move left and right along the rail.

In one embodiment, a lifting anchor is arranged below the base.

In one embodiment, the top of one of the slide bars is provided with a limit switch, and the limit switch is in line connection with the console.

To sum up, the utility model discloses following beneficial effect has:

the utility model discloses a pneumatic cylinder is as elevating system, and the power of output is bigger and more steady, can realize the accurate control to the pneumatic cylinder through the servovalve, makes it reach a certain height and just stops, and the relative ratio tradition uses the cooperation of motor and gear or screw rod, and the pneumatic cylinder is difficult to appear wearing and tearing and is inaccurate in the high position that leads to, and consequently stability is better, can effectively reduce fault frequency and cost of maintenance.

Can swing to the rear when the stretch-draw mechanism stretch-draw is accomplished the back and the tubular pile disconnection, and the utility model discloses be provided with alarm device, can detect the device rear region, can send out the police dispatch newspaper through audible-visual annunciator when personnel get into this region and remind, when can avoiding personnel's mistake to go into this region, operating personnel continues operating device unconsciously, leads to the mistake to go into the injured condition of personnel, has further ensured field personnel's personal safety, has reduced accident's probability to a certain extent.

Drawings

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

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is a plan view of the present invention.

In the figure: 1-a base; 11-a moving slot; 12-a transmission gear; 13-a drive motor; 14-a guide wheel; 15-lifting the ground feet; 2-a tensioning mechanism; 21-a first sling chain; 22-a second sling chain; 31-a scaffold; 32-a top plate; 33-hydraulic cylinders; 34-a lifting plate; 341-first buffer spring; 342-a second buffer spring; 35-a slide bar; 351-limit switch; 36-a base plate; 37-a pulley; 38-a rack; 4-a console; 51-a first transmitter; 52-a first receiver; 53-a first upright; 61-a second emitter; 62-a second receiver; 63-a second upright; 7-audible and visual alarm; 8-track.

Detailed Description

The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be carried into practice or applied to various other specific embodiments, and various modifications and changes may be made in the details within the description and the drawings without departing from the spirit of the disclosure. It should be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

The left side of the figure in the drawing is the rear end referred to herein, and the right side of the image in the drawing is the front end referred to herein.

As shown in fig. 1-3; a tubular pile prestress tension device comprises a base 1, a lifting platform, a tension mechanism 2 for applying prestress to a tubular pile and a control console 4 for controlling the operation of the device;

the control console 4 is positioned on the top surface of one side of the base 1, the lifting platform comprises a support 31, the support 31 is arranged on the top surface of the base 1, a top plate 32 is arranged at the top of the support 31, a hydraulic cylinder 33 is arranged in the center of the top plate 32, a servo valve is arranged on the hydraulic cylinder 33, a lifting plate 34 is arranged on the top surface of the hydraulic cylinder 33, a plurality of sliding rods 35 are uniformly arranged on the top surface of the top plate 32, the plurality of sliding rods 35 penetrate through the lifting plate 34, the lifting plate 34 can vertically move along the plurality of sliding rods 35, and the servo valve is in line connection with the control console 4;

both ends are equipped with first buffer spring 341 of detachable, second buffer spring 342 around the lifter plate 34 bottom surface respectively, tensioning mechanism 2 is located support 31, tensioning mechanism 2 is equipped with first sling chain 21 and second sling chain 22 respectively in both ends around, first sling chain 21, second sling chain 22 can dismantle with first buffer spring 341, second buffer spring 342 respectively and be connected.

The plurality of sliding rods 35 play a limiting role and also play a role in reinforcing the lifting plate 34, the lifting plate 34 can be limited by the plurality of sliding rods 35, so that when the lifting plate is stressed unevenly and inclines to one side, the lifting plate 34 is not easy to fall off, the first buffer spring 341 and the second buffer spring 342 are used for unloading force to avoid damage to the device due to overlarge force, two hooks can be arranged on the bottom surface of the lifting plate 34, the first buffer spring 341 and the second buffer spring 342 are connected with the hooks, the hooks are also arranged at the bottom ends of the first buffer spring 341 and the second buffer spring 342 and are used for being connected with the first hanging chain 21 and the second hanging chain 22, the lifting plate 34 is driven to ascend or descend by the hydraulic cylinder 33 when the lifting or descending, so that the height position adjustment of the tensioning mechanism 2 is realized, the hydraulic cylinder 33 is provided with a servo valve, the hydraulic oil inlet amount of the hydraulic cylinder is controlled by the servo valve, the servo valve can convert electric signals into flow and pressure which are correspondingly output and modulated, and accordingly can control the height position of the lifting of the hydraulic cylinder 33.

The tubular pile prestress tensioning device further comprises an alarm device, wherein the alarm device comprises a first sensor, a second sensor and an audible and visual alarm 7;

the audible and visual alarm 7 is positioned above the console 4, and the first sensor, the second sensor and the audible and visual alarm 7 are all connected with the console 4 through lines;

the first sensor comprises a first transmitter 51 and a first receiver 52, the second sensor comprises a second transmitter 61 and a second receiver 62; the first emitter 51 and the second emitter 61 are respectively arranged at the rear end of the base 1 and are respectively positioned at the left side and the right side of the bracket 31; the base is characterized in that a first upright 53 and a second upright 63 are arranged behind the base 1, the first upright 53 and the second upright 63 are not in contact with the base 1, the first upright 53 and the first emitter 51 are in the same straight line, the first receiver 52 is arranged on the first upright 53, the second upright 63 and the second emitter 61 are in the same straight line, and the second receiver 62 is arranged on the second upright 63.

The first sensor and the second sensor are correlation sensors or straight grating sensors, a space with at least the size of a passageway is reserved behind the tensioning device when the tensioning device is placed, the tensioning device is sequentially buffered with the tensioning mechanism 2, therefore, an alarm device needs to be arranged behind the tensioning mechanism 2 to avoid injury caused by mistaken entry of personnel, the first upright column 53 and the second upright column 63 can be arranged on a wall body corresponding to the first emitter 51 and the second emitter 61, or can be arranged on the ground corresponding to the first emitter 51 and the second emitter 61, and a detection area is enlarged to the greatest extent to avoid mistaken entry of personnel.

The middle of the top surface of the base 1 is provided with a moving groove 11, the bottom of the support 31 is provided with a bottom plate 36, the bottom plate 36 is positioned in the moving groove 11, the left side and the right side of the bottom surface of the bottom plate 36 are respectively provided with a plurality of pulleys 37, the bottom plate 36 can slide along the front and the back of the moving groove 11, the bottom surface of the bottom plate 36 is provided with a rack 38, the rack 38 is parallel to the moving groove 11, the middle of the moving groove 11 is provided with a transmission gear 12, the transmission gear 12 is driven by a transmission motor 13 arranged on the bottom surface of the base 1, and the transmission gear 12 is meshed with the rack 38. The transmission motor 13 on the bottom surface of the base 1 is used for driving the transmission gear 12, and the transmission gear 12 drives the rack 38, so that the control bracket 31 can move back and forth in the moving groove 11, the transmission motor 13 can be controlled by the control console 4 through a line connection control console 4, or can be controlled independently, and the pulleys 37 on two sides of the bottom plate 36 enable the bracket 31 to move conveniently.

A rail 8 is arranged below the base 1, a guide wheel 14 matched with the rail 8 is arranged below the base 1, and the base 1 can move left and right along the rail 8. Base 1 is equipped with guide pulley 14 and is located track 8 on, is convenient for remove the utility model discloses a position makes it can be in same central line with the tubular pile.

And a lifting anchor 15 is arranged below the base 1. The lift lower margin 15 is used for with ground contact, and fixed baseplate 1 avoids base 1 to receive external force just to take place the displacement, lift lower margin 15 is a telescopic lower margin, can rise the lower margin when will moving baseplate 1.

The top of one of the slide bars 35 of the plurality of slide bars 35 is provided with a limit switch 351, and the limit switch 351 is connected with the control console 4 through a line. The limit switch 351 is used for avoiding the hydraulic cylinder 33 from rising too high to damage the lifting platform or lead to the lifting plate 34 to fall off, and when the limit switch 351 senses, a signal is sent out to enable the hydraulic cylinder 33 to stop filling hydraulic oil, so that the hydraulic cylinder stops acting.

The working process of the utility model

The position of the base 1 on the rail 8 is adjusted through the guide wheel 14, so that the tensioning mechanism 2 above the rail 8 and the pipe pile are in the same straight line, the ground feet are put down to be in contact with the ground for fixing the position of the base 1, if a first sensor and a second sensor are installed when the position of the base 1 is adjusted, the positions of a first receiver 52 and a second receiver 62 are also adjusted correspondingly, when the height position of the tensioning mechanism 2 is adjusted, a parameter can be input through the control console 4, a signal is sent to the servo valve, the servo valve converts an electric signal into a flow and a pressure which correspondingly output and modulate, so that a hydraulic cylinder 33 is lifted or lowered to a certain height position, the circle center of the tensioning mechanism 2 and the circle center of the pipe pile are in the same center line, the driving gear drives the rack 38 through opening the forward rotation or reverse rotation of the transmission motor 13, the rack 38 is connected with the bottom plate 36 of the bracket 31, so that the bracket 31 is driven to move forwards or backwards in the moving groove 11, the distance between the tensioning mechanism 2 and the pipe pile is adjusted, the tensioning mechanism 2 behind the base 1 is connected with the pipe pile, when the tensioning operation is performed, the first sensor behind the base 1 and the second sensor continuously warn that a person is injured person and the alarm 7 is detected, and the person is prevented from entering the alarm, and the person is detected by the person.

In the description of the present invention, it is to be understood that the terms "intermediate", "length", "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", "radial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on the second feature or the first and second features may be in direct contact via an intermediate medium. "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above description is for illustrative purposes only and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. that do not depart from the spirit and principles of the present invention should be construed as within the scope of the present invention.

Claims (6)

1. A tubular pile prestress tensioning device is characterized by comprising a base (1), a lifting platform, a tensioning mechanism (2) for applying prestress to a tubular pile and a control console (4) for controlling the operation of the device;

the control console (4) is located on the top surface of one side of the base (1), the lifting platform comprises a support (31), the support (31) is arranged on the top surface of the base (1), a top plate (32) is arranged on the top of the support (31), a hydraulic cylinder (33) is arranged in the center of the top plate (32), a servo valve is arranged on the hydraulic cylinder (33), a lifting plate (34) is arranged on the top surface of the hydraulic cylinder (33), a plurality of sliding rods (35) are uniformly arranged on the top surface of the top plate (32), the plurality of sliding rods (35) penetrate through the lifting plate (34), the lifting plate (34) can vertically move along the plurality of sliding rods (35), and the servo valve is connected with the control console (4) through a line;

both ends are equipped with first buffer spring of detachable (341), second buffer spring (342) respectively around lifter plate (34) bottom surface, stretch-draw mechanism (2) are located support (31), both ends are equipped with first chain sling (21) and second chain sling (22) respectively around stretch-draw mechanism (2), first chain sling (21), second chain sling (22) can dismantle with first buffer spring (341), second buffer spring (342) respectively and be connected.

2. The pre-stress tube pile tensioning device according to claim 1, comprising an alarm device, wherein the alarm device comprises a first sensor, a second sensor and an audible and visual alarm (7);

the audible and visual alarm (7) is positioned above the console (4), and the first sensor, the second sensor and the audible and visual alarm (7) are all connected with the console (4) through lines;

the first sensor comprises a first transmitter (51) and a first receiver (52), the second sensor comprises a second transmitter (61) and a second receiver (62); the first emitter (51) and the second emitter (61) are respectively arranged at the rear end of the base (1) and are respectively positioned at the left side and the right side of the bracket (31); base (1) rear is equipped with first stand (53) and second stand (63), first stand (53), second stand (63) all do not all contact with base (1), first stand (53) and first transmitter (51) are in the collinear, first receiver (52) set up in first stand (53), second stand (63) and second transmitter (61) are in the collinear, second receiver (62) set up in second stand (63).

3. The pre-stress tube pile tensioning device according to claim 1, wherein a moving groove (11) is formed in the middle of the top surface of the base (1), a bottom plate (36) is arranged at the bottom of the support (31), the bottom plate (36) is located in the moving groove (11), a plurality of pulleys (37) are respectively arranged on the left side and the right side of the bottom surface of the bottom plate (36), the bottom plate (36) can slide back and forth along the moving groove (11), a rack (38) is arranged on the bottom surface of the bottom plate (36), the rack (38) is parallel to the moving groove (11), a transmission gear (12) is arranged in the middle of the moving groove (11), the transmission gear (12) is driven by a transmission motor (13) arranged on the bottom surface of the base (1), and the transmission gear (12) is meshed with the rack (38).

4. A prestressed pipe pile tensioning device according to claim 3, wherein a rail (8) is provided under the base (1), a guide wheel (14) adapted to the rail (8) is provided under the base (1), and the base (1) can move left and right along the rail (8).

5. A prestressed pipe pile tensioning device according to claim 4, characterized in that lifting feet (15) are arranged below said base (1).

6. The prestressed pipe pile tensioning device according to claim 2, wherein a limit switch (351) is arranged at the top of one of the slide rods (35) of the plurality of slide rods (35), and the limit switch (351) is in line connection with the control console (4).

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