CN114394541A - Tower crane standard knot with double safety protection devices - Google Patents

Abstract

The invention discloses a tower crane standard knot with a double safety protection device, which comprises a tower crane standard knot body, wherein a climbing ladder is arranged inside the tower crane standard knot body, a first protection mechanism is arranged behind the climbing ladder, the first protection mechanism comprises a protection seat plate, a side edge block, an installation seat, a connecting plate, a first rotating rod, a fixed plate, a fixed rod, a stretching spring, a movable block, a connecting rod and a protruding block, and a second protection mechanism is arranged between the two tower crane standard knot bodies. The invention relates to a tower crane standard knot with double safety protection devices, which belongs to the field of tower crane standard knots.

Description

A tower crane standard section with double safety protection device

technical field

The invention relates to the field of tower crane standard sections, in particular to a tower crane standard section with double safety protection devices.

Background technique

Tower crane standard section plays an important role in cranes, tower cranes, tower cranes, lifts and other mechanical equipment. A qualified standard section can not only improve the stability of these tower cranes, but also significantly improve the safety performance and work efficiency of tower cranes and tower cranes, and can even achieve a multiplier effect. The standard section of the tower crane generally adopts the national standard structure and is connected by M20X210 (8.8 grade) high-strength bolts. The section is 0.65X0.6 and the height is 1.508 meters. The two sides of the four main limbs of the standard section are designed as convex and concave structures for easy positioning. However, because the fixed nuts of the standard section of the tower crane are often disassembled and assembled, and it is easy to shake during use, the fixed nuts are easy to loosen. After a long time of use, not only will the bolts and nuts be worn, but the nuts are easy to loosen, which will cause damage to the tower. At the same time, because the height of the construction building affects the height of the standard section of the tower crane, the standard section of the tower crane is often relatively high, so that the staff need to reach the working position through the climbing ladder when working, and When climbing to a higher height, the climbers cannot sit down and rest, and can only rely on the climbing ladder to stand and rest, which may easily lead to safety accidents.

SUMMARY OF THE INVENTION

The main purpose of the present invention is to provide a tower crane standard section with double safety protection devices, which can effectively solve the problems in the background technology.

To achieve the above object, the technical scheme adopted in the present invention is:

A tower crane standard section with double safety protection device includes a tower crane standard section body, a climbing ladder is arranged inside the tower crane standard section body, and a first protection mechanism is arranged behind the climbing ladder, so the The first protection mechanism includes a protective seat plate, a side block, a mounting seat, a connecting plate, a first rotating rod, a fixed plate, a fixed rod, a tension spring, a movable block, a connecting rod and a raised block. A second protection mechanism is arranged between the machine standard section bodies, and the second protection mechanism includes a connecting seat, a fixing block, a double-threaded rod, a second rotating rod, a knob, a U-shaped rod, a connecting block and a sliding block.

Preferably, the climbing ladder is fixedly installed inside the tower crane standard section body, the top surface of the tower crane standard section body and the four corner ends of the ground are respectively fixed with right-angle blocks, and the two right-angle blocks are respectively fixed and installed. The side corner end walls are respectively provided with mounting holes.

Preferably, a set of symmetrical placement grooves are formed on the bottom surface of the protective seat plate, and a set of symmetrical side blocks are fixedly installed on the side walls of the protective seat plate respectively, and the side walls of the side blocks are respectively fixed with a set of symmetrical side blocks. A through hole is opened.

Preferably, a connecting plate is fixedly installed on the left side wall of the mounting seat, and the connecting plate is located between the symmetrical side blocks on the left side of the protective seat plate, and the two side walls of the connecting plate are respectively fixed and installed. There is a first rotating rod, and the first rotating rod is inserted and installed in the through hole.

Preferably, a fixing plate is fixedly installed on the right side wall of the mounting seat, a groove is formed on the top surface of the fixing plate, a fixing rod is fixedly installed in the groove of the groove, and the fixing rod is A tension spring is set on the body of the rod, and a movable block is fixedly installed at both ends of the tension spring, and a connecting hole is opened on the side wall of the movable block, and the movable block is inserted and installed on the fixed rod through the connecting hole. .

Preferably, a connecting rod is fixedly installed on the outer side wall of the movable block, and the connecting rod is inserted into the through hole opened on the side block installed on the right side of the protective seat plate, and the top surface of the connecting rod is installed. Fixed installation with raised blocks.

Preferably, the connecting seat is in the shape of a box, the four corner ends of the top surface and the bottom surface of the connecting seat are respectively provided with installation grooves corresponding to the right-angle blocks, and the two ends of the right-angle grooves of the installation groove are respectively provided with There is a communication groove, and the rear end of the communication groove is provided with a movable groove.

Preferably, four sides of the outer wall of the connecting seat are respectively fixed with a set of symmetrical fixing blocks, and the side walls of the fixing blocks are provided with rotating holes, and the four sides of the outer wall of the connecting seat are respectively provided with a set of symmetrical fixing blocks. The movable port is located between the fixed blocks, and the upper and lower ends of the inner wall of the slot of the installation hole are respectively provided with protective seat plates.

Preferably, the double-threaded rod is located between symmetrical fixing blocks, and the two ends of the double-threaded rod are respectively fixed with a second rotating rod, and the second rotating rod is inserted and installed in the rotating hole, and the A knob is also fixedly installed on the end wall of the second rotating rod installed at one end of the double-threaded rod.

Preferably, the U-shaped rod is located in the movable groove, and a connecting block is fixedly installed on the outer side wall of the U-shaped rod, the connecting block passes through the movable port, and the upper and lower walls of the connecting block are respectively fixed and installed There is a sliding block, the sliding block is slidably installed in the sliding groove, and the side wall of the connecting block is also provided with a threaded hole, and the connecting block is threadedly connected with the double-threaded rod through the threaded hole.

Compared with the prior art, the present invention has the following beneficial effects:

In the present invention, by adding a first protection mechanism behind the climbing ladder in the body of each standard section of the tower crane, when the staff is climbing, a place for rest can be provided for the staff at any time, so that the staff can rest at any time. In order for the staff to recover their physical strength in time to avoid potential safety hazards due to poor physical strength, at the same time, in conjunction with the use of the second protection mechanism, an embedded connection method is used to replace the bolts between the traditional tower crane standard section bodies. The connection method can effectively avoid the problem of loosening after bolted connection, so as to improve the connection stability and reliability between the tower crane standard section bodies, and ensure that it will not be caused by the unstable connection of the tower crane standard section bodies. The safety hazard is avoided, the work safety of the staff is guaranteed, the installation and connection of the device are simple and convenient, and the function of double safety protection can be realized.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the overall structure schematic diagram of the first protection mechanism of the present invention;

Fig. 3 is the structural disassembly schematic diagram of the first protection mechanism of the present invention;

Fig. 4 is the enlarged schematic diagram of the structure of Fig. A of the present invention;

5 is a schematic diagram of the overall structure of the second protection mechanism of the present invention;

Fig. 6 is the structural disassembly schematic diagram of the second protection mechanism of the present invention;

FIG. 7 is a partial structural schematic diagram of the second protection mechanism of the present invention.

In the figure: 1. Tower crane standard section body; 2. Climbing ladder; 3. First protection mechanism; 4. Second protection mechanism; 5. Right-angle block; 6. Installation hole; 7. Protective seat plate; 8. Placement Slot; 9. Side block; 10. Through hole; 11. Mounting seat; 12. Connecting plate; 13. First rotating rod; 14. Fixed plate; 15. Groove; 16. Fixed rod; 17. Tension spring ;18, movable block; 19, connecting hole; 20, connecting rod; 21, raised block; 22, connecting seat; 23, installation slot; 24, communication slot; 25, movable slot; 26, movable port; 27, sliding Slot; 28, fixed block; 29, rotating hole; 30, double threaded rod; 31, second rotating rod; 32, knob; 33, U-shaped rod; 34, connecting block; 35, sliding block; 36, threaded hole.

Detailed ways

In order to make the technical means, creative features, achievement goals and effects realized by the present invention easy to understand, the present invention will be further described below with reference to the specific embodiments.

As shown in Figures 1-7, a tower crane standard section with double safety protection devices includes a tower crane standard section body 1, and a climbing ladder 2 is arranged inside the tower crane standard section body 1. The climbing ladder 2 A first protection mechanism 3 is provided at the rear, and the first protection mechanism 3 includes a protection seat plate 7, a side block 9, a mounting seat 11, a connecting plate 12, a first rotating rod 13, a fixing plate 14, a fixing rod 16, and a tension spring 17. The movable block 18, the connecting rod 20 and the raised block 21, a second protection mechanism 4 is provided between the two tower crane standard section bodies 1, and the second protection mechanism 4 includes a connecting seat 22, a fixed block 28, a double threaded rod 30. The second rotating rod 31, the knob 32, the U-shaped rod 33, the connecting block 34 and the sliding block 35.

Example 1:

As shown in Figures 3 to 4, in this embodiment, in order to provide the staff with a place to rest at any time, so that the staff can recover their physical strength in time and avoid potential safety hazards due to poor physical strength, the protective seat plate The bottom surface of 7 is provided with a set of symmetrical placement grooves 8, and a set of symmetrical side blocks 9 are fixedly installed on both side walls of the protective seat plate 7 respectively. A connecting plate 12 is fixedly installed on the left side wall of the seat 11, and the connecting plate 12 is located between the symmetrical side blocks 9 on the left side of the protective seat plate 7. The two side walls of the connecting plate 12 are respectively fixed with a first rotating rod 13, and the first rotating rod 13 is inserted into the through hole 10, a fixing plate 14 is fixedly installed on the right side wall of the mounting seat 11, and a groove 15 is opened on the top surface of the fixing plate 14, and the groove of the groove 15 is A fixed rod 16 is fixedly installed inside, and a tension spring 17 is sleeved on the rod body of the fixed rod 16. The two ends of the tension spring 17 are respectively fixed with movable blocks 18, and the side walls of the movable blocks 18 are provided with connecting holes 19. , the movable block 18 is inserted and installed on the fixed rod 16 through the connecting hole 19, the connecting rod 20 is fixedly installed on the outer side wall of the movable block 18, and the connecting rod 20 is inserted and installed on the side block 9 installed on the right side of the protective seat plate 7 In the through hole 10 opened in the upper part, a raised block 21 is fixedly installed on the top surface of the connecting rod 20. Before using it, first install the protective seat plate 7 to the rear of the climbing ladder 2, and let the bottom surface of the protective seat plate 7 be installed. The opening slot 8 is clamped between the two horizontal bars of the tower crane standard section body 1, and then the mounting seat 11 is turned over, and the mounting seat 11 is attached to the bottom surface of the protective seat plate 7. When performing this operation, the mounting seat 11. The connecting plate 12 installed on the left side will rotate between a set of symmetrical side blocks 9 installed on the left side of the protective seat plate 7, and the first rotating rod 13 installed on both sides of the connecting plate 12 will rotate in the through hole 10 , after turning over to a certain extent, manually pinch a group of symmetrical raised blocks 21 on the top surface of the fixed plate 14 installed on the right side of the mounting seat 11, and make the raised blocks 21 close to each other. At this time, The movable block 18 will move along the fixed rod 16 in the groove 15 opened on the top surface of the fixed plate 14 through the opened connecting hole 19, and force the extension spring 17 set on the fixed rod 16 to perform a retracting operation until it moves. The connecting rod 20 installed on the outer side wall of the block 18 is not resisted by the side block 9 installed on the right side of the protective seat plate 7. The through holes 10 opened on the 9 are aligned, and the raised blocks 21 are no longer close to each other. At this time, the tension spring 17 will perform a recovery operation and push the raised blocks 21 into the through holes 10 through the movable block 18. , so that the protective seat plate 7 is installed on the tower crane standard section body 1, and it is convenient for the user to sit on the protective seat plate 7 for rest;

If the protective seat plate 7 is to be disassembled, first manually pinch the symmetrical raised blocks 21 respectively, and make the two raised blocks 21 perform a relative movement operation. At this time, due to the operation of the raised blocks 21, the movable block 18 will be driven. Through the opening connecting hole 19, it moves along the fixing rod 16 in the groove 15, and forces the extension spring 17 to perform a retracting operation, and continues to make the relative movement operation of the protruding block 21 until the outer wall of the movable block 18 is completely closed. The installed connecting rod 20 is moved out from the through hole 10 opened on the side block 9 installed on the right side wall of the protective seat plate 7, and then, release both hands, the tension spring 17 at this time will make a recovery operation, and After the installation seat 11 is reversed, it is separated from the bottom of the protective seat plate 7, and finally the protective seat plate 7 can be removed from the tower crane standard section body 1.

Embodiment 2:

As shown in Figures 5-7, in this embodiment, in order to improve the connection stability and reliability between the tower crane standard section bodies 1, it is ensured that there will be no potential safety hazards due to the unstable connection of the tower crane standard section bodies 1 , to ensure the work safety of the staff, and the installation and connection of the device is simple and convenient, the climbing ladder 2 is fixedly installed inside the tower crane standard section body 1, the top surface of the tower crane standard section body 1 and the four corner ends of the ground The right-angle blocks 5 are respectively fixed and installed, and the two side corner end walls of the right-angle blocks 5 are respectively provided with installation holes 6, the connecting seat 22 presents a box shape, and the four corner end parts of the top surface and the bottom surface of the connecting seat 22 are respectively provided with The installation groove 23 corresponding to the right-angle block 5, and the two ends of the right-angle groove of the installation groove 23 are respectively provided with a communication groove 24, the rear end of the communication groove 24 is provided with a movable groove 25, and the four sides of the outer wall of the connection seat 22 are respectively fixed and installed with a A set of symmetrical fixed blocks 28, and a rotating hole 29 is opened on the side wall of the fixed block 28, and a set of symmetrical movable ports 26 are respectively opened on the four sides of the outer wall of the connecting seat 22, and the movable ports 26 are located between the fixed blocks 28, and The upper and lower ends of the inner wall of the groove of the installation hole 6 are respectively provided with a protective seat plate 7, the double threaded rod 30 is located between the symmetrical fixed blocks 28, and the two ends of the double threaded rod 30 are respectively fixed with a second rotating rod 31, and the first Two rotating rods 31 are inserted and installed in the rotating hole 29 , a knob 32 is also fixedly installed on the end wall of the second rotating rod 31 installed at one end of the double threaded rod 30 , the U-shaped rod 33 is located in the movable groove 25 , and the U-shaped rod A connecting block 34 is fixedly installed on the outer side wall of 33, the connecting block 34 passes through the movable port 26, and a sliding block 35 is fixedly installed on the upper and lower walls of the connecting block 34, and the sliding block 35 is slidably installed in the sliding groove 27, and is connected The side wall of the block 34 is also provided with a threaded hole 36, and the connecting block 34 is threadedly connected with the double threaded rod 30 through the threaded hole 36. Before using, the connecting seat 22 is first installed on the lower tower crane standard section body 1. On the top surface, and let the right-angle block 5 installed on the top surface of the tower crane standard section body 1 clip into the installation groove 23 opened on the bottom surface of the tower crane standard section body 1, and then place the upper tower crane standard section body 1 on the bottom surface. The installed right-angle block 5 is clamped into the installation groove 23 opened on the top surface of the connecting seat 22, and then the knob 32 on the outer side wall of the connecting seat 22 is rotated, and the second rotating rod 31 is moved by rotating the knob 32. The rotating hole 29 opened on the fixed block 28 rotates, and the rotation of the second rotating rod 31 drives the double-threaded rod 30 to rotate. 30 is threaded, so the connecting block 34 will move on the double threaded rod 30 through the threaded hole 36, and the sliding block 35 installed on the connecting block 34 will slide in the sliding groove 27 during the movement. The connecting block 34 will move at the movable port 26, and the symmetrical connecting block 34 will move in the opposite direction. Knob 32 to U shape The rod 33 is pushed into the communication groove 24, and the front end of the U-shaped rod 33 is inserted into the installation hole 6 opened on the right-angle block 5 on the same side, and in the same way as described above, turn the knob 32 in turn and let the The two tower crane standard section bodies 1 can be connected together through the connecting seat 22. The above operation not only facilitates the construction personnel to connect and install the tower crane standard section body 1, but also can effectively ensure the tower crane standard section after the connection and installation. The stability and firmness of the connection between the main bodies 1 ensure the safe use of the tower crane standard section main body 1 by the construction personnel;

If the tower crane standard section body 1 is to be disassembled, manually turn the knobs 32 on the four sides of the outer wall of the connection base 22 in turn, the knobs 32 at this time will drive the double-threaded rod 30 through the second rotating rod 31 to make a reverse rotation operation. When the two connecting blocks 34 will move relative to the double threaded rod 30 through the threaded hole 36, and the sliding block 35 will slide in the sliding groove 27, the connecting block 34 will move in the movable port 26 and drive the U-shaped rod. 33 comes out from the installation hole 6 opened on the right-angle block 5 on one side, and retracts into the movable groove 25 through the communication groove 24, so that the U-shaped rod 33 is no longer connected to the two tower crane standard section bodies. 1 is connected, and then the tower crane standard section body 1 can be disassembled.

To sum up, the above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, it can be implemented without departing from the scope of the present invention. Various improvements and equivalents can be used to replace the components therein, or equivalent replacement of some of the technical features, all within the spirit and principle of the present invention, shall be included within the protection scope of the present invention.

Claims (10)

1. The utility model provides a take dual safety arrangement's tower machine standard festival which characterized in that: including tower machine standard festival body (1), the inside of tower machine standard festival body (1) is equipped with climbing ladder (2), the rear of climbing ladder (2) is equipped with first protection machanism (3), first protection machanism (3) are including protection bedplate (7), side piece (9), mount pad (11), connecting plate (12), first rotation pole (13), fixed plate (14), dead lever (16), extension spring (17), movable block (18), connecting rod (20) and protruding piece (21), two be equipped with second protection machanism (4) between tower machine standard festival body (1), second protection machanism (4) are including connecting seat (22), fixed block (28), double-threaded rod (30), second rotation pole (31), knob (32), U type pole (33), connecting block (34) and sliding block (35).

2. The tower crane standard knot with the double safety protection devices as claimed in claim 1, is characterized in that: climbing ladder (2) fixed mounting is in the inside of tower machine standard festival body (1), four corner end positions on the top surface of tower machine standard festival body (1) and the ground are fixed mounting respectively has right angle piece (5), just mounting hole (6) have been seted up on the both sides corner end wall of right angle piece (5) respectively.

3. The tower crane standard knot with the double safety protection devices as claimed in claim 2, is characterized in that: a set of symmetrical placing grooves (8) are formed in the bottom face of the protection seat plate (7), a set of symmetrical side blocks (9) are fixedly mounted on the side walls of the two sides of the protection seat plate (7) respectively, and through holes (10) are formed in the side walls of the side blocks (9).

4. A tower crane standard knot with double safety protection devices as claimed in claim 3, characterized in that: fixed mounting has connecting plate (12) on the left side wall of mount pad (11), just connecting plate (12) are located between protection bedplate (7) left side symmetrical side piece (9), on the both sides lateral wall of connecting plate (12) respectively fixed mounting have first rotation pole (13), just first rotation pole (13) alternate and install in through-hole (10).

5. A tower crane standard knot with double safety protection devices as claimed in claim 4, characterized in that: fixed mounting has fixed plate (14) on the right side wall of mount pad (11), just the top surface of fixed plate (14) is seted up fluted (15), the inslot fixed mounting of recess (15) has dead lever (16), just the cover is equipped with extension spring (17) on the pole body of dead lever (16), there is movable block (18) at the both ends of extension spring (17) fixed mounting respectively, just connecting hole (19) have been seted up on the lateral wall of movable block (18), movable block (18) are installed on dead lever (16) through connecting hole (19) interlude.

6. A tower crane standard knot with double safety protection devices as claimed in claim 5, characterized in that: the outer side wall of the movable block (18) is fixedly provided with a connecting rod (20), the connecting rod (20) is inserted into a through hole (10) formed in a side block (9) arranged on the right side of the protective seat plate (7), and a protruding block (21) is fixedly arranged on the top surface of the connecting rod (20).

7. A tower crane standard knot with double safety protection devices as claimed in claim 6, characterized in that: the connecting seat (22) is in a square frame shape, mounting grooves (23) corresponding to the right-angle blocks (5) are respectively formed in four corner end positions of the top surface and the bottom surface of the connecting seat (22), communicating grooves (24) are further respectively formed in two ends of the right-angle grooves of the mounting grooves (23), and movable grooves (25) are formed in the rear ends of the communicating grooves (24).

8. A tower crane standard knot with double safety protection devices as claimed in claim 7, characterized in that: a set of symmetrical fixed blocks (28) are fixedly mounted on four sides of the outer wall of the connecting seat (22) respectively, a rotating hole (29) is formed in the side wall of each fixed block (28), a set of symmetrical movable openings (26) are formed in four sides of the outer wall of the connecting seat (22) respectively, each movable opening (26) is located between the corresponding fixed blocks (28), and protection seat plates (7) are arranged at the upper end and the lower end of the inner wall of the mounting hole (6) respectively.

9. The tower crane standard knot with the double safety protection device as claimed in claim 8, characterized in that: double-threaded rod (30) are located between fixed block (28) of symmetry, just the both ends difference fixed mounting of double-threaded rod (30) has second dwang (31), just second dwang (31) alternate and install in rotating hole (29), double-threaded rod (30) wherein on the end wall of second dwang (31) of one end installation still fixed mounting have knob (32).

10. The tower crane standard knot with the double safety protection device as claimed in claim 9, characterized in that: u type pole (33) are located movable groove (25), just fixed mounting has connecting block (34) on the lateral wall of U type pole (33), movable mouthful (26) are passed in connecting block (34), just on the last lower wall of connecting block (34) respectively fixed mounting have sliding block (35), sliding block (35) slidable mounting is in sliding tray (27), just threaded hole (36) have still been seted up on the lateral wall of connecting block (34), threaded connection is carried out through threaded hole (36) and double-threaded rod (30) in connecting block (34).

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