CN216997406U - Tower crane safety connecting device with tension early warning function - Google Patents

Abstract

The utility model belongs to the technical field of connecting devices, and discloses a tower crane safety connecting device with a tension early warning function. According to the utility model, the inserting shaft leaves the positioning hole, the positions of the moving rings are adjusted, so that the distance values between the two moving rings and the metal plates are equal, the two moving rings are not in contact with the metal plates, when the load of the tower crane is overlarge, the tension between the fixed frame and the supporting rod is changed, at the moment, the fixed frame can drive the fixed pipe to move on the surface of the telescopic rod, when the metal plates are in contact with the electric connection terminals, the circuit in the signal transmitting module is communicated, and after the connection, the signal transmitting module sends an overlarge early warning to a cab, so that the safety of the tower crane is improved.

Description

Tower crane safety connecting device with tension early warning function

Technical Field

The utility model belongs to the technical field of connecting devices, and particularly relates to a tower crane safety connecting device with a tension early warning function.

Background

The tower crane is the most common hoisting equipment on the building site, and when the tower crane is higher than forty meters, an attachment frame needs to be installed on the tower crane to be connected and fixed with a wall body in order to ensure the safety of the tower crane.

Present safe connecting device contains the bracing piece mostly and adheres to the frame, when the installation, adhere to frame connection on the standard festival, frame and wall body are attached to the bracing piece connection, but adopt mechanical structure to connect on the safe connecting device of great majority, only can play the fixed action, and not have the early warning function, when the tower crane load is too big when the pulling force exerted to safe connecting device changes, safe connecting device can not be timely carry out the early warning to the change of pulling force, thereby the security of tower crane has been reduced.

The attached frame of the existing safety connection device is mostly composed of two U-shaped frames, when the frame is installed on a standard section, the frame needs to be connected and fixed between the two U-shaped frames by using bolts, so that the standard section is wrapped, and when the frame is fixed, two U-shaped frames need to be held by two operators respectively, so that the two U-shaped frames can be installed after being aligned, the operation is complex, and the labor efficiency of the operators is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, provides a tower crane safety connecting device with a tension early warning function, and has the advantages of improving the safety of a tower crane and improving the labor efficiency of operators.

In order to achieve the purpose, the utility model provides the following technical scheme: a tower crane safety connection device with a tension early warning function comprises a fixed frame, a connection piece and a support rod, wherein a fixed pipe is fixedly arranged on the rear side face of the fixed frame, a telescopic rod is movably connected to the rear end of the fixed pipe, a connection frame is fixed on the rear side face of the telescopic rod, a metal plate is fixedly arranged on the front side face of the telescopic rod, a moving ring is movably connected to the inner cavity of the fixed pipe, an extension block and a signal transmitting module are fixedly arranged at the top end and the bottom end of the moving ring respectively, a pull plate is movably connected to the top end of the extension block, a positioning shaft is fixedly arranged on the bottom face of the pull plate, a reset spring is sleeved on the surface of the positioning shaft in a movable mode, the pull plate is loosened, the insertion shaft is pulled downwards by the elasticity of the reset spring, the insertion shaft is inserted into the positioning hole, the position of the moving ring is fixed, and insertion shafts are fixedly arranged on the left side and the right side of the bottom face of the pull plate, the locating hole has been seted up on the top of fixed pipe, the shift ring is close to the one side fixed mounting of metal sheet and connects electrical terminal, upwards stimulates the arm-tie, makes the arm-tie drive the grafting axle and shifts up to make the grafting axle leave the locating hole, can the back-and-forth movement arm-tie this moment, make the arm-tie drive the shift ring through location axle and extension piece and remove in fixed intraductal, adjust the position of shift ring, make the interval value between two shift rings and the metal sheet equal, and not contact with the metal sheet.

As a preferred technical scheme of the utility model, the left end and the right end of the fixed frame are hinged with the wrapping frame, the left side surface of the bottom end of the wrapping frame is hinged with the supporting shaft, the bottom surfaces of the left end and the right end of the fixed frame are fixedly provided with the hanging blocks, the front side surface and the rear side surface of each hanging block are respectively provided with the positioning groove, the wrapping frame rotates clockwise to enable the wrapping frame to be buckled on the supporting frame on the standard knot, then the supporting shaft is rotated at the bottom end of the fixed frame to enable the supporting shaft to be clamped into the positioning grooves, so that the wrapping frame, the supporting shaft and the hanging blocks wrap the reinforcing rods of the standard knot, and the fixed frame is fixed on the supporting frame of the standard knot.

As a preferred technical scheme of the utility model, the support rods are movably connected to the outer parts of the connecting pieces, the connecting pieces are fixedly arranged at four corners of the fixed frame, the fixed frame and the support rods are respectively hoisted to the mounting platform by a tower crane, the front end of the fixed frame is opened when the fixed frame is mounted, then the fixed frame is sleeved on the standard knot, finally the front end of the fixed frame is closed by using bolts, then the support rods are mounted, the front ends of the support rods are connected with the connecting pieces, and the rear ends of the support rods are connected with the wall body.

As a preferred technical scheme of the utility model, the inner diameter value of the moving ring is equal to the diameter value of the telescopic rod, the outer diameter value of the moving ring is equal to the inner diameter value of the fixed pipe, and the extension block and the signal transmitting module respectively penetrate through the upper side and the lower side of the fixed pipe, so that the two moving rings can stably move in the inner cavity of the fixed pipe, and the use stability of the device is ensured.

As a preferred technical scheme of the utility model, the supporting shaft is movably connected in the positioning groove, the wrapping frame is in an L shape, one end of the wrapping frame close to the center of the fixed frame is positioned in the fixed frame, and after the supporting shaft is clamped in the positioning groove, the fixed frame and the standard knot can be positioned in the vertical direction, so that the fixed frame is prevented from sliding on the standard knot.

As a preferred technical scheme of the utility model, the power connection terminal is electrically connected with the signal transmitting module, the number of the moving rings is two, the two moving rings are respectively positioned at the front side and the rear side of the metal plate, the tension between the fixed frame and the supporting rod is changed, at the moment, the fixed frame can drive the fixed pipe to move on the surface of the telescopic rod, when the metal plate is in contact with the power connection terminal, the circuit in the signal transmitting module is communicated, and after the metal plate is communicated with the power connection terminal, the signal transmitting module sends out early warning to a cab.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the pulling plate is pulled upwards to drive the inserting shaft to move upwards, so that the inserting shaft is separated from the positioning hole, the positions of the moving rings are adjusted, the distance values between the two moving rings and the metal plate are equal, the moving rings are not in contact with the metal plate, when the load of the tower crane is overlarge, the pulling force between the fixed frame and the supporting rod is changed, at the moment, the fixed frame can drive the fixed pipe to move on the surface of the telescopic rod, when the metal plate is in contact with the electric connection terminal, the circuit in the signal transmitting module is communicated, and after the signal transmitting module is communicated, the signal transmitting module sends out an overlarge pulling force warning to a cab, so that the safety of the tower crane is improved.

2. According to the utility model, the parcel frame is clockwise rotated to be buckled on the support frame on the standard knot, then the support shaft is rotated at the bottom end of the fixed frame to be clamped into the positioning groove, so that the parcel frame, the support shaft and the hanging block wrap the reinforcing rod of the standard knot, and the fixed frame is fixed on the support frame of the standard knot.

Drawings

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

FIG. 2 is a schematic view of the connection of the structural hanger blocks of the present invention;

FIG. 3 is a schematic view of the structural anchoring of the present invention;

FIG. 4 is a schematic cross-sectional view of a structural fixation tube of the present invention;

FIG. 5 is an enlarged view of the point A in FIG. 3 according to the present invention.

In the figure: 1. a fixed frame; 2. a connecting member; 3. a support bar; 4. a fixed tube; 5. a telescopic rod; 6. a connecting frame; 7. a metal plate; 8. a moving ring; 9. an extension block; 10. pulling a plate; 11. positioning the shaft; 12. a return spring; 13. a plug shaft; 14. positioning holes; 15. a signal transmitting module; 16. an electric terminal is connected; 17. a parcel shelf; 18. a support shaft; 19. a hanging block; 20. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

As shown in fig. 1 to 5, the utility model provides a tower crane safety connection device with a tension early warning function, which comprises a fixed frame 1, a connection member 2 and a support rod 3, wherein a fixed tube 4 is fixedly installed on the rear side surface of the fixed frame 1, a telescopic rod 5 is movably connected at the rear end of the fixed tube 4, a connection frame 6 is fixed on the rear side surface of the telescopic rod 5, a metal plate 7 is fixedly installed on the front side surface of the telescopic rod 5, a moving ring 8 is movably connected in the inner cavity of the fixed tube 4, an extension block 9 and a signal transmitting module 15 are respectively and fixedly installed at the top end and the bottom end of the moving ring 8, a pulling plate 10 is movably connected at the top end of the extension block 9, a positioning shaft 11 is fixedly installed at the bottom surface of the pulling plate 10, a return spring 12 is movably sleeved on the surface of the positioning shaft 11, the pulling plate 10 is released, the elasticity of the return spring 12 pulls down the pulling plate 10, so that an insertion shaft 13 is inserted in a positioning hole 14 to fix the position of the moving ring 8, the equal fixed mounting in the left and right sides of arm-tie 10 bottom surface has plug shaft 13, locating hole 14 has been seted up on the top of fixed pipe 4, the one side fixed mounting that shift ring 8 is close to metal sheet 7 has electrical connection terminal 16, upwards stimulate arm-tie 10, make arm-tie 10 drive plug shaft 13 and move up, thereby make plug shaft 13 leave locating hole 14, can the back-and-forth movement arm-tie 10 this moment, make arm-tie 10 drive shift ring 8 through location axle 11 and extension piece 9 and remove in fixed pipe 4, adjust the position of shift ring 8, make the interval value between two shift rings 8 and the metal sheet 7 equal, and not contact with metal sheet 7.

Wherein, both ends are articulated to fixed frame 1 about have parcel frame 17, the left surface of parcel frame 17 bottom articulates there is back shaft 18, the bottom surface fixed mounting at fixed frame 1 left and right both ends hangs piece 19, hang two sides around piece 19 and all seted up constant head tank 20, parcel frame 17 clockwise rotation makes parcel frame 17 detain on the support frame of standard festival, then at fixed frame 1's bottom rotation back shaft 18, make back shaft 18 block in the constant head tank 20, thereby make parcel frame 17, back shaft 18 and hang piece 19 and wrap up the stiffener of standard festival, thereby fix fixed frame 1 on the support frame of standard festival.

Wherein, 3 swing joint of bracing piece is in the outside of connecting piece 2, 2 fixed mounting of connecting piece are in fixed frame 1's four corners department, the tower crane hangs up fixed frame 1 and bracing piece 3 respectively to mounting platform on, when the installation, open fixed frame 1's front end, then overlap fixed frame 1 on the standard festival, at last the front end of using the bolt to be fixed frame 1 carries out the closure, then install bracing piece 3, the front end and the connecting piece 2 of bracing piece 3 are connected, the rear end and the wall body of bracing piece 3 are connected.

Wherein, the internal diameter value of shift ring 8 equals the diameter value of telescopic link 5, and the external diameter value of shift ring 8 equals the internal diameter value of fixed pipe 4, and extension piece 9 and signal emission module 15 run through the upper and lower both sides of fixed pipe 4 respectively, have guaranteed that two shift rings 8 can be in the stable removal of fixed pipe 4 inner chamber, have guaranteed the stability that the device used.

Wherein, back shaft 18 swing joint is in constant head tank 20, and parcel frame 17's shape is "L" shape, and parcel frame 17 is close to the one end at fixed frame 1 center and is located fixed frame 1's inside, and back in the constant head tank 20 is gone into to back in back to the back shaft 18 card, can carry out the ascending location of vertical direction with fixed frame 1 and standard festival, avoids fixed frame 1 to appear sliding on the standard festival.

Wherein, connect electrical terminal 16 and signal emission module 15 electric connection, the shift ring 8 is total two, two shift rings 8 are located the front and back both sides of metal sheet 7 respectively, pulling force between fixed frame 1 and the bracing piece 3 changes, fixed frame 1 can drive fixed pipe 4 and remove on the surface of telescopic link 5 this moment, when metal sheet 7 and connect electrical terminal 16 contact, to the circuit intercommunication in signal emission module 15, signal emission module 15 sends the early warning to the driver's cabin after the intercommunication.

The working principle and the using process of the utility model are as follows:

when the tower crane is used, the fixed frame 1 and the supporting rod 3 are respectively hoisted to the mounting platform by the tower crane, when the tower crane is mounted, the front end of the fixed frame 1 is opened, then the fixed frame 1 is sleeved on the standard knot, and finally the front end of the fixed frame 1 is closed by using bolts;

then, the wrapping frame 17 is rotated clockwise, so that the wrapping frame 17 is buckled on the support frame of the standard knot, then the support shaft 18 is rotated at the bottom end of the fixed frame 1, the support shaft 18 is clamped in the positioning groove 20, and therefore the wrapping frame 17, the support shaft 18 and the hanging block 19 wrap the reinforcing rod of the standard knot, and the fixed frame 1 is fixed on the support frame of the standard knot;

then the support rod 3 is installed, the front end of the support rod 3 is connected with the connecting piece 2, and the rear end of the support rod 3 is connected with the wall body;

finally, the connecting frame 6 is connected with the wall;

after the connection is in place, the metal plate 7 is positioned in the middle of the inner cavity of the fixed tube 4, the pulling plate 10 is pulled upwards at the moment, the pulling plate 10 drives the inserting shaft 13 to move upwards, so that the inserting shaft 13 leaves the positioning hole 14, the pulling plate 10 can be moved forwards and backwards at the moment, the pulling plate 10 drives the moving rings 8 to move in the fixed tube 4 through the positioning shaft 11 and the extending blocks 9, the positions of the moving rings 8 are adjusted, and the distance value between the two moving rings 8 and the metal plate 7 is equal and is not in contact with the metal plate 7;

then the pulling plate 10 is loosened, the elasticity of the return spring 12 pulls the pulling plate 10 downwards, so that the inserting shaft 13 is inserted into the positioning hole 14, and the position of the movable ring 8 is fixed;

when the load of tower crane was too big, the pulling force between fixed frame 1 and the bracing piece 3 changed, and fixed frame 1 can drive fixed pipe 4 and remove on the surface of telescopic link 5 this moment, and when metal sheet 7 contacted with electrical connection terminal 16, to the circuit intercommunication in the signal emission module 15, signal emission module 15 sent the early warning to the driver's cabin after the intercommunication.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a tower crane safety connection device from area pulling force early warning function, includes fixed frame (1), connecting piece (2) and bracing piece (3), its characterized in that: the rear side face of the fixed frame (1) is fixedly provided with a fixed pipe (4), the rear end of the fixed pipe (4) is movably connected with a telescopic rod (5), the rear side face of the telescopic rod (5) is fixed with a connecting frame (6), the front side face of the telescopic rod (5) is fixedly provided with a metal plate (7), the inner cavity of the fixed pipe (4) is movably connected with a moving ring (8), the top end and the bottom end of the moving ring (8) are respectively and fixedly provided with an extending block (9) and a signal transmitting module (15), the top end of the extending block (9) is movably connected with a pulling plate (10), the bottom face of the pulling plate (10) is fixedly provided with a positioning shaft (11), the surface of the positioning shaft (11) is movably sleeved with a reset spring (12), the left side and the right side faces of the pulling plate (10) are respectively and fixedly provided with an inserting shaft (13), the top end of the fixed pipe (4) is provided with a positioning hole (14), and one surface of the moving ring (8) close to the metal plate (7) is fixedly provided with an electric connection terminal (16).

2. The tower crane safety connection device with the tension early warning function according to claim 1, characterized in that: both ends are articulated to have parcel frame (17) about fixed frame (1), the left surface of parcel frame (17) bottom articulates there is back shaft (18), the bottom surface fixed mounting at both ends has hanging piece (19) about fixed frame (1), constant head tank (20) have all been seted up to two sides around hanging piece (19).

3. The tower crane safety connection device with the tension early warning function according to claim 1, characterized in that: the support rod (3) is movably connected to the outer portion of the connecting piece (2), and the connecting piece (2) is fixedly installed at the four corners of the fixed frame (1).

4. The tower crane safety connection device with the tension early warning function according to claim 1, characterized in that: the internal diameter value of removal ring (8) equals the diameter value of telescopic link (5), the external diameter value of removal ring (8) equals the internal diameter value of fixed pipe (4), extend the upper and lower both sides that piece (9) and signal emission module (15) run through fixed pipe (4) respectively.

5. The tower crane safety connection device with the tension early warning function according to claim 2, characterized in that: the supporting shaft (18) is movably connected in the positioning groove (20), the wrapping frame (17) is L-shaped, and one end, close to the center of the fixed frame (1), of the wrapping frame (17) is located inside the fixed frame (1).

6. The tower crane safety connection device with the tension early warning function according to claim 1, characterized in that: the power connection terminal (16) is electrically connected with the signal transmitting module (15), the number of the moving rings (8) is two, and the moving rings (8) are respectively located on the front side and the rear side of the metal plate (7).

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