Double-beam crane truss for concrete

Abstract

The utility model provides a double-beam crane truss for concrete, which comprises a frame body and a hook hoist arranged on the frame body, the frame body comprises a main frame and a pair of side frames, the side frames are symmetrically arranged on two sides of the main frame, a sliding seat is arranged on the main frame in a sliding manner, the hook hoist is fixedly arranged on the sliding seat, a sliding chute I is arranged on the main frame, and the sliding chute II is arranged on the side frames. The side end of the sliding base is fixedly provided with a hook block in sliding fit with the first sliding groove, one side of the main frame is further provided with a first servo motor, the output end of the first servo motor is fixedly provided with a first screw rod, the first screw rod penetrates through the sliding base and is in threaded fit with the sliding base, when the first servo motor rotates, the sliding base slides in the first sliding groove, and a first lubricating assembly is further arranged in the sliding base. The first lubricating assembly is used for smearing lubricating oil to the first sliding groove, the sliding precision of the sliding base is limited through cooperation of the first sliding groove and the hook block, the first servo motor drives the screw to rotate to drive the sliding base to move, and therefore high-stability transmission is achieved; abrasion between the hook block and the first sliding groove is reduced, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to a crane, in particular to a double-beam crane truss used for concrete. Background Art

[0002] At present, a Chinese patent with announcement number CN211945970U discloses a double-beam crane, including two tracks, a connecting beam is arranged on the top of the track, a main beam is arranged between the two connecting beams, a trolley is arranged on the top of the main beam, a first motor is arranged on the top of the trolley, a driving gear is arranged on the output shaft of the first motor, a wheel groove is opened at the bottom of the trolley, wheels are arranged in the wheel groove, a rotating shaft is arranged between the wheels, a driven gear meshing with the driving gear is arranged on the rotating shaft, the first motor drives the wheel to rotate and moves the trolley on the main beam, and two hook hoists are connected to the bottom of the trolley.

[0003] The above patent still has shortcomings. When the wheel rotates and moves in the wheel groove, it is easy to slip, which causes the wheel to spin and be unable to move. At the same time, the contact area between the two gears is small. When the weight hoisted on the hook hoist is large, the tooth surface of the gear is prone to wear, resulting in the need for frequent maintenance and repair of the equipment and poor transmission stability. Utility Model Content

[0004] In view of this, the utility model aims to provide a double-beam crane truss for concrete, which has the advantages of stable transmission and low wear.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a double-beam crane truss for concrete, comprising a frame body and a hook hoist arranged on the frame body, the frame body comprising a main frame and a pair of side frames, the side frames are symmetrically arranged on both sides of the main frame, a slide seat is slidably arranged on the main frame, the hook hoist is fixedly arranged on the slide seat, a slide slot is opened on the main frame, a hook block that slides and cooperates with the slide slot is fixedly arranged on the side end of the slide seat, a servo motor is also arranged on one side of the main frame, a screw is fixedly arranged on the output end of the servo motor, the screw passes through the slide seat and cooperates with the slide seat thread, when the servo motor rotates, the slide seat slides in the slide slot, and a first lubrication component is also arranged in the slide seat, and the first lubrication component is used to apply lubricating oil to the slide slot.

[0006] Through the above-mentioned technical means, the sliding accuracy of the slide is limited by the cooperation between the slide groove and the hook block, and the servo motor drives the screw to rotate and drive the slide to move, thereby realizing high-stability transmission, and by setting the first lubrication component, the friction between the hook block and the slide groove is reduced, the wear between the hook block and the slide groove is reduced, and its service life is increased.

[0007] Preferably, the first lubrication assembly includes an oil storage chamber opened in the slide seat, a first oil delivery hole and a first oil seepage component arranged in the first oil delivery hole, the first oil delivery hole respectively delivers lubricating oil to the side wall and the bottom wall of the slide groove one, the first oil seepage component includes a shell, a spring and a steel ball, a through hole and a through hole are opened in the shell, the through hole is arranged on the bottom wall of the through hole, the spring and the steel ball are arranged in the through hole, a pair of the springs are against the bottom wall of the through hole, and the other end is against the steel ball and makes it against the inner wall of the slide groove one, and the shell is threadedly connected to the first oil delivery hole.

[0008] Through the above technical means, the lubricating oil in the oil storage chamber is transported to between the slide groove and the hook block through the first oil delivery hole, and the steel ball is supported by the spring and pressed against the bottom wall of the through hole, so that the lubricating oil seeps out slowly, reducing wear while preventing excessive oil outflow and causing waste.

[0009] Preferably, a dust baffle is further provided at the upper end of the main frame, the dust baffle is U-shaped and blocks the outside of the main frame, a through groove is further provided on the top surface of the side end of the dust baffle, and a cover plate is hinged to the side end of the through groove.

[0010] Through the above technical means, by setting a dust baffle on the outside of the main frame, excessive dust accumulation in the slideway is prevented, and by opening a through groove, it is convenient to add lubricating oil to the oil storage cavity.

[0011] Preferably, a plurality of U-shaped reinforcing plates are arranged between the main frame and the dust baffle plate, a support plate is welded in the middle of the U-shaped reinforcing plates, the upper end of the U-shaped reinforcing plates is fixed to the dust baffle plate by screws, the lower end of the U-shaped reinforcing plates is fixed to the main frame by screws, and a plurality of ribs are arranged on the upper end of the dust baffle plate.

[0012] Through the above technical means, the structural strength of the main frame is increased by setting a U-shaped reinforcement plate to prevent the main frame from bending and deformation when it is too long. The structural strength of the dust baffle is strengthened by ribs so that the tension of the screws on the dust baffle is dispersed, thereby increasing the bearing capacity of the equipment body.

[0013] Preferably, side beams are provided at both ends of the main frame, slide rails are fixedly provided on the side frames, two slide grooves cooperating with the slide rails are opened in the side beams, two servo motors are provided at one end of the two side frames, screw rods are provided at the output end of the servo motors, and the screw rods are threadedly matched with the side beams.

[0014] Through the above technical means, the servo motor drives the second screw to rotate, driving the side beam to move and the slide rail and the second slide groove to cooperate, thereby achieving high-precision movement in the X and Y directions.

[0015] Preferably, buffers are provided at both ends of the side beams, baffles are provided at both ends of the two side frames, and diagonal bracing plates are provided at the rear ends of the baffles.

[0016] Through the above technical means, the buffer and the baffle are used to prevent the side beam from being hit hard when it moves excessively, and the strength of the baffle is increased by arranging the diagonal support plate.

[0017] Preferably, a tank cavity is further provided at the outer end of the side beam, an oil tank is arranged in the tank cavity, a second oil delivery hole is provided in the side beam, a second oil seepage part is provided in the second oil delivery hole, a bottom hole connected to the second oil delivery hole is provided at the bottom of the oil tank, and a tank plug is provided at the side end of the oil tank.

[0018] Through the above technical means, by adding lubricating oil into the oil tank and delivering the lubricating oil in the oil tank to between the slide rail and the second slide groove through the second oil delivery hole, the friction between the slide rail and the second slide groove is reduced and the service life of the slide rail is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of an embodiment;

[0020] Figure 2 It is a front view schematic diagram of an embodiment;

[0021] Figure 3 This is a structural diagram of the main frame;

[0022] Figure 4 is a cross-sectional schematic diagram of a side beam;

[0023] Figure 5 is a schematic structural diagram of a first lubrication assembly;

[0024] Figure 6 for Figure 5 Enlarged view of part A.

[0025] Reference numerals: 1, frame; 2, hook hoist; 3, main frame; 4, side frame; 5, slide seat; 6, slide slot 1; 7, hook block; 8, servo motor 1; 9, screw rod 1; 10, side beam; 11, rib plate; 12, slide rail; 13, slide slot 2; 14, servo motor 2; 15, screw rod 2; 16, buffer; 17, dust baffle; 18, diagonal support plate; 19, first lubrication assembly; 20, oil storage chamber; 21. First oil seepage part; 22. Cavity cover; 23. Shell; 24. Spring; 25. Steel ball; 26. Through hole; 27. Through hole; 28. First oil delivery hole; 29. ​​Baffle; 30. Through groove; 31. Cover plate; 32. U-shaped reinforcing plate; 33. Support plate; 34. Rib; 35. Tank cavity; 36. Oil tank; 37. Second oil delivery hole; 38. Second oil seepage part; 39. Bottom hole; 40. Tank plug. DETAILED DESCRIPTION

[0026] The specific implementation modes of the present invention are further described below in conjunction with the accompanying drawings to make the technical solutions of the present invention easier to understand and grasp.

[0027] A double-beam crane truss for concrete comprises a frame body 1 and a hook hoist 2 arranged on the frame body 1, the frame body 1 comprises a main frame 3 and a pair of side frames 4, the side frames 4 are symmetrically arranged on both sides of the main frame 3, the bottom of the side frames 4 are directly connected to the ground, beams, etc., a slide seat 5 is slidably arranged on the main frame 3, the hook hoist 2 is fixedly arranged on the slide seat 5, a slide groove 6 is opened on the main frame 3, a hook block 7 that slidably cooperates with the slide groove 6 is fixedly arranged on the side end of the slide seat 5, a servo motor 8 is also arranged on one side of the main frame 3, a screw 9 is fixedly arranged on the output end of the servo motor 8, the screw 9 passes through the slide seat 5 and is threadedly cooperated with the slide seat 5, when the servo motor 8 rotates, the screw 9 rotates and drives the slide seat 5 to slide along the slide groove 6.

[0028] Side beams 10 are provided at both ends of the main frame 3. The side beams 10 are fixed to the main frame 3 by welding, and ribs 11 are provided at the right angles between the main frame 3 and the side beams 10. A slide rail 12 is fixedly provided on the side frame 4. A slide groove 13 cooperating with the slide rail 12 is provided in the side beam 10. A servo motor 14 is provided at one end of the two side frames 4. A screw 15 is provided at the output end of the servo motor 14. The screw 15 is threadedly matched with the side beam 10. When the two servo motors 14 rotate at the same time, the main frame 3 moves along the direction of the slide rail 12, thereby realizing high-precision movement in the X and Y directions.

[0029] Buffers 16 are provided at both ends of the side beam 10, and baffles 29 are provided at both ends of the two side frames 4. The buffers 16 and the baffles 29 prevent the side beam 10 from a hard collision when it moves excessively. A diagonal support plate 18 is provided at the rear end of the baffle 29 to increase the strength of the baffle 29.

[0030] The slide 5 is also provided with a first lubricating assembly 19, which is used to apply lubrication to the slide 6. The first lubricating assembly 19 includes an oil storage chamber 20 provided in the slide 5, a first oil delivery hole 28, and a first oil seepage member 21 provided in the first oil delivery hole 28. A chamber cover 22 is screwed on the oil storage chamber 20 to prevent oil leakage. The first oil delivery hole 28 is connected to the bottom wall and the side wall of the slide 6 and delivers lubricating oil thereto. The first oil seepage member 21 includes a housing 23, a spring 24, and a steel ball 25. A through hole 26 and a through hole 27 are provided in the housing 23. The through hole 26 is provided with a On the bottom wall of the through hole 27, a spring 24 and a steel ball 25 are arranged in the through hole 27. A pair of springs 24 abut against the bottom wall of the through hole 27, and the other end abuts against the steel ball 25 and makes it abut against the inner wall of the slide groove 6. The shell 23 is threadedly connected with the first oil delivery hole 28. When installing, the shell 23 can be directly screwed into the first oil delivery hole 28. When the slide seat 5 slides in the slide groove 6, the spring 24 abuts against the steel ball 25, so that the steel ball 25 rolls on the inner wall of the slide groove 6. At this time, the oil slowly seeps out with the rolling of the spring 24, thereby achieving the purpose of lubrication and preventing excessive outflow of oil to cause waste.

[0031] A dust baffle 17 is also provided at the upper end of the main frame 3. The dust baffle 17 is U-shaped and is located outside the main frame 3 to prevent excessive dust from accumulating in the slide groove. A through groove 30 is also provided on the top surface of the side end of the dust baffle 17. A cover plate 31 is hinged at the side end of the through groove 30. When lubricating oil needs to be added, the cover plate 31 can be opened to add lubricating oil into the oil storage chamber 20.

[0032] A plurality of U-shaped reinforcing plates 32 are also arranged between the main frame 3 and the ash baffle 17. A support plate 33 is welded in the middle of the U-shaped reinforcing plate 32. The support plate 33 is fixed in the U-shaped reinforcing plate 32 by welding, thereby increasing the structural strength of the U-shaped reinforcing plate 32 body. The upper end of the U-shaped reinforcing plate 32 is fixed to the ash baffle 17 by screws, and the lower end of the U-shaped reinforcing plate 32 is fixed to the main frame 3 by screws, thereby increasing the structural strength of the middle part of the main frame 3 to prevent the hook hoist 2 from moving to the middle part of the main frame 3 for lifting, causing deformation of the main frame 3. A plurality of ribs 34 are also arranged on the upper end of the ash baffle 17, and the ribs 34 are dispersed on the ash baffle 17, thereby increasing the structural strength of the ash baffle 17.

[0033] A tank cavity 35 is also provided at the outer end of the side beam 10, and an oil tank 36 is arranged in the tank cavity 35. A second oil delivery hole 37 is provided in the side beam 10, and a second oil seepage part 38 is provided in the second oil delivery hole 37. The second oil seepage part 38 has the same structure as the first oil seepage part 21. A bottom hole 39 connected to the second oil delivery hole 37 is provided at the bottom of the oil tank 36, and a tank plug 40 is provided at the side end of the oil tank 36. When the lubricating oil in the oil tank 36 is consumed, the tank plug 40 can be unscrewed to add lubricating oil to the tank body.

[0034] Of course, the above are only typical examples of the present invention. In addition, the present invention may have many other specific implementations. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims

1. A double-beam crane truss for concrete, comprising a frame (1) and a hook hoist (2) arranged on the frame (1), characterized in that: The frame body (1) comprises a main frame (3) and a pair of side frames (4), wherein the side frames (4) are symmetrically arranged on both sides of the main frame (3), a slide seat (5) is slidably arranged on the main frame (3), the hook hoist (2) is fixedly arranged on the slide seat (5), a slide groove (6) is opened on the main frame (3), a hook block (7) which is slidably matched with the slide groove (6) is fixedly arranged on the side end of the slide seat (5), a servo motor (8) is also arranged on one side of the main frame (3), a screw rod (9) is fixedly arranged on the output end of the servo motor (8), the screw rod (9) passes through the slide seat (5) and is threadedly matched with the slide seat (5), when the servo motor (8) rotates, the slide seat (5) slides in the slide groove (6), and a first lubrication component (19) is also arranged in the slide seat (5), and the first lubrication component (19) is used to apply lubricating oil to the slide groove (6).

2. A double-beam crane truss for concrete according to claim 1, characterized in that: The first lubrication assembly (19) comprises an oil storage chamber (20) provided in the slide seat (5), a first oil delivery hole (28) and a first oil seepage member (21) arranged in the first oil delivery hole (28), wherein the first oil delivery hole (28) delivers lubricating oil to the side wall and the bottom wall of the slide groove (6) respectively, and the first oil seepage member (21) comprises a shell (23), a spring (24) and a steel ball (25), wherein a through hole (26) and a through hole (27) are provided in the shell (23), wherein the through hole (26) is arranged on the bottom wall of the through hole (27), wherein the spring (24) and the steel ball (25) are arranged in the through hole (27), wherein one end of the spring (24) abuts against the bottom wall of the through hole (27), and the other end abuts against the steel ball (25) and makes it abut against the inner wall of the slide groove (6), and the shell (23) is threadedly connected to the first oil delivery hole (28).

3. A double-beam crane truss for concrete according to claim 2, characterized in that: The upper end of the main frame (3) is also provided with an ash baffle (17), which is U-shaped and blocks the outside of the main frame (3). A through groove (30) is also provided on the top surface of the side end of the ash baffle (17), and a cover plate (31) is hinged to the side end of the through groove (30).

4. A double-beam crane truss for concrete according to claim 3, characterized in that: A plurality of U-shaped reinforcing plates (32) are also arranged between the main frame (3) and the dust baffle plate (17), a support plate (33) is welded in the middle of the U-shaped reinforcing plate (32), the upper end of the U-shaped reinforcing plate (32) is fixed to the dust baffle plate (17) by screws, the lower end of the U-shaped reinforcing plate (32) is fixed to the main frame (3) by screws, and a plurality of ribs (34) are also arranged at the upper end of the dust baffle plate (17).

5. A double-beam crane truss for concrete according to claim 1, characterized in that: Both ends of the main frame (3) are provided with side beams (10), a slide rail (12) is fixedly provided on the side frame (4), a slide groove (13) matched with the slide rail (12) is provided in the side beam (10), one end of each of the two side frames (4) is provided with a servo motor (14), an output end of the servo motor (14) is provided with a screw rod (15), and the screw rod (15) is threadedly matched with the side beam (10).

6. A double-beam crane truss for concrete according to claim 5, characterized in that: Buffers (16) are provided at both ends of the side beam (10), baffles (29) are provided at both ends of the two side frames (4), and a diagonal support plate (18) is provided at the rear end of the baffle (29).

7. A double-beam crane truss for concrete according to claim 5, characterized in that: The outer end of the side beam (10) is also provided with a tank cavity (35), an oil tank (36) is arranged in the tank cavity (35), a second oil delivery hole (37) is provided in the side beam (10), a second oil seepage member (38) is arranged in the second oil delivery hole (37), a bottom hole (39) communicating with the second oil delivery hole (37) is provided at the bottom of the oil tank (36), and a tank plug (40) is arranged at the side end of the oil tank (36).

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