CN204508594U - An end beam structure of a crane - Google Patents

Abstract

The utility model discloses an end beam structure of hoist, including the frame to and install gyro wheel, motor, guide pulley brake equipment in the frame, by carrying out the lock through the adjustment to the axle of being connected with the guide pulley and die to make the guide pulley can not rotate as the braking effect, with the axle unblock alright as the guide pulley effect. The utility model has simple and compact structure, can prevent the friction and collision between the end beam frame and the guide rail, and prolong the service life of the end beam; and cost reduction and simplification of the structure are achieved by the brake device integrated in the stator.

Description

An end beam structure of a crane

technical field

The utility model relates to the technical field of cranes, in particular to an end beam structure of a crane.

Background technique

The end beam of the crane is an important part of the crane that moves stably, but the structure of the current end beam is relatively simple, and some bad problems often occur in actual use, such as: the two sides of the end beam and the guide rail There is no buffer device between them, and the frame of the end beam often collides with the guide rail, which shortens the service life of the end beam and deforms it. The deformed end beam may be stuck during the movement process, resulting in failure to use normally.

Have again, present crane both ends generally all is to adopt buffer, as reducing the collision with track end, is provided with brake device very few, even if brake device is provided with, but because the design is unreasonable, cause mechanism complexity cost is relatively high. high.

Utility model content

The technical problem to be solved by the utility model is to provide an end beam structure of a crane in view of the deficiencies of the above-mentioned prior art. life; and reduce cost and simplify structure by integrating the brake device in the guide wheel.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: a crane end beam structure, including a frame, and rollers, motors, shafts, bearings, guide wheels, power devices and pushers mounted on the frame. rod; the rollers are arranged at the left and right ends of the frame, and the motor drives one of the rollers to rotate, thereby driving the whole to move; the power device is fixed on the inner bottom surface of the frame, and the The power device is connected to one end of the push rod in transmission, the other end of the push rod is fixedly connected to one side of the bearing, the other side of the bearing is connected to the inner side wall of the frame through an elastic component, and the shaft Penetrating in the bearing, the shaft extends out of the frame through the first through hole on the inner bottom surface of the frame, and the shaft end protruding out of the frame is covered with the guide wheel , the outer layer of the guide wheel is provided with a brake pad; the shaft, the bearing, and the guide wheel are arranged in pairs and are left and right symmetrical, and the outer width of the two left and right symmetrical guide wheels is larger than the outer width of the frame; the second A through hole extends to the horizontal outer side of the frame to communicate with a second through hole, the second through hole is a cube, the first through hole is a cylinder, and the shaft section located in the first through hole is set as A cube, the shaft section can move from the first through hole to the second through hole.

In the above technical solution, the elastic assembly includes a spring seat and a spring, and the two spring seats are respectively arranged on the bearing and the inner wall of the machine frame, and the spring is arranged between the two spring seats, so that the bearing and the machine The elastic effect is realized between the inner walls of the frame.

In the above technical solution, the power device is a two-way cylinder with opposite output directions, or two one-way cylinders.

In the above technical solution, the bearing is arranged on a mounting base, the mounting base is fixedly connected to the push rod, the mounting base is connected to the elastic component, and the bottom of the mounting base is provided with a wheel, through which the wheel The mounting base can be supported on the inner bottom surface of the frame.

The beneficial effects of the utility model are: the guide wheel and the brake are integrated to form a guide wheel brake device, which simplifies the separate guide wheel structure and brake structure, and reduces the manufacturing cost. The guide wheel realizes the function of the guide wheel in the general moving process, so that there is a buffer between the frame and the guide rail, preventing the collision and friction between the end beam frame and the guide rail, thereby preventing the shape of the frame and extending the end beam service life. When the end beam is about to stop, the guide wheel is used as a brake device, so that the end beam can stop in time.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the utility model embodiment one;

Fig. 2 is a schematic diagram of the overall structure of the second embodiment of the utility model.

In the figure, 1, frame; 2, roller; 3, motor; 4, shaft; 5, bearing; 6, guide wheel; 7, power unit; 8, push rod; 9, spring seat; 10, spring; 11, The first through hole; 12, the second through hole; 13, the shaft section; 14, the brake pad; 15, the mounting seat; 16, the wheel.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Figure 1, Embodiment 1, an end beam structure of a crane, includes a frame 1, and a roller 2, a motor 3, a shaft 4, a bearing 5, a guide wheel 6, and a power unit 7 installed on the frame 1 and push rod 8; the rollers 2 are arranged at the left and right ends of the frame 1, and the motor 3 drives one of the rollers 2 to rotate, thereby driving the whole to move; the power device 7 is fixed on the On the inner bottom surface of the frame 1, the power unit 7 is connected to one end of the push rod 8 in transmission, the other end of the push rod 8 is fixedly connected to one side of the bearing 5, and the other side of the bearing 5 is elastically The assembly is connected to the inner wall of the frame 1, the shaft 4 is passed through the bearing 5, and the shaft 4 extends out of the frame 1 through the first through hole 11 on the inner bottom surface of the frame 1 In addition, the shaft end outside the frame 1 is covered with the guide wheel 6, and the outer layer of the guide wheel 6 is provided with a brake pad 14; the shaft 4, the bearing 5, and the guide wheel 6 are formed It is set up and left and right symmetrical, and the outer width of the two left and right symmetrical guide wheels 6 is larger than the outer width of the frame 1; the first through hole 11 extends to the horizontal outer side of the frame 1 and communicates with a second through hole 12 , the second through hole 12 is a cube, the first through hole 11 is a cylinder, the shaft section 13 located in the first through hole 11 is set as a cube, and the shaft section 13 can be connected from the first through hole 11 Move to the second through hole 12. Because the cuboid cavity of the second through hole 12 is close to the volume of the cube shaft section 13, the second through hole 12 can just accommodate the shaft section 13, and when the cube shaft section 13 moves into the second through hole 12, This shaft will be locked and can not rotate, so that the guide wheel 6 can not rotate, and the guide wheel 6 with the brake pad 14 on the outer layer will be pressed to the guide rails on both sides of the frame 1 as a braking device, so that the end beam can quickly Stop to achieve a more precise position docking.

Wherein, the elastic assembly includes a spring seat 9 and a spring 10, the two spring seats 9 are respectively arranged on the bearing 5 and the inner side wall of the frame 1, and the spring 10 is arranged between the two spring seats 9, so that the The elastic action is realized between the bearing 5 and the inner side wall of the frame 1. In the process of serving as the guide wheel 6, keep the frame 1 in soft contact with the guide rail; in the process of acting as a brake, the elastic component will be crushed to death by the power device 7, so that the frame 1 and the guide rail are in close contact. hard touch.

Wherein, the power device 7 is a two-way cylinder with opposite output directions, or two one-way cylinders.

As shown in Figure 2, embodiment two, a crane end beam structure, including a frame 1, and a roller 2, a motor 3, a shaft 4, a bearing 5, a guide wheel 6, and a power unit 7 installed on the frame 1 and push rod 8; the rollers 2 are arranged at the left and right ends of the frame 1, and the motor 3 drives one of the rollers 2 to rotate, thereby driving the whole to move; the power device 7 is fixed on the The inner bottom surface of the frame 1, the power unit 7 is connected to one end of the push rod 8 in transmission, the other end of the push rod 8 is fixedly connected to one side of the mounting base 15, and the other side of the mounting base 15 Connected to the inner sidewall of the frame 1 through an elastic assembly, the bearing 5 is fixedly installed in the mounting seat 15, and the bottom of the mounting seat 15 is provided with wheels 16, and the mounting seat 15 is made by the wheels 16. It can be supported on the inner bottom surface of the frame 1 .

The shaft 4 is passed through the bearing 5, and the shaft 4 extends out of the frame 1 through the first through hole 11 on the inner bottom surface of the frame 1, and the outside of the frame 1 The shaft end sleeve is provided with the guide wheel 6, and the outer layer of the guide wheel 6 is provided with a brake pad 14; the shaft 4, the bearing 5, and the guide wheel 6 are arranged in pairs and are left and right symmetrical, and the left and right symmetrical two The outer width of the guide wheel 6 is larger than the outer width of the frame 1; the first through hole 11 extends to the horizontal outer side of the frame 1 and communicates with a second through hole 12, and the second through hole 12 is a cube, so The first through hole 11 is a cylinder, and the shaft section 13 inside the first through hole 11 is configured as a cube. The shaft section 13 can move from the first through hole 11 to the second through hole 12 . Because the cuboid cavity of the second through hole 12 is close to the volume of the cube shaft section 13, the second through hole 12 can just accommodate the shaft section 13, and when the cube shaft section 13 moves into the second through hole 12, This shaft 4 will be locked and can not rotate, so that the guide wheel 6 can not rotate, and the guide wheel 6 with the brake pad 14 in this outer layer will be pressed to the guide rails on both sides of the frame 1 as a braking device, so that the end beam can Stop quickly to achieve a more precise position docking.

Wherein, the elastic assembly includes a spring seat 9 and a spring 10, the two spring seats 9 are respectively arranged on the bearing 5 and the inner side wall of the frame 1, and the spring 10 is arranged between the two spring seats 9, so that the The elastic action is realized between the bearing 5 and the inner side wall of the frame 1.

Wherein, the power device 7 is a two-way cylinder with opposite output directions, or two one-way cylinders.

The above embodiments are only intended to illustrate rather than limit the utility model, so all equivalent changes or modifications made according to the method described in the scope of the patent application of the utility model are included in the scope of the patent application of the utility model.

Claims (4)

1. an end-beam arrangement for hoisting crane, is characterized in that: comprise frame, and is installed on roller, motor, axle, bearing, guide wheel, engine installation and the push rod in frame; Described roller is arranged at the two ends, left and right of frame, and described motor drives roller described in one of them to rotate, thus drives entirety to move; Described engine installation is fixed on the inner bottom surface of described frame, one end of described engine installation and push rod is in transmission connection, the other end of described push rod is fixedly connected with the side of described bearing, the opposite side of described bearing is connected to the madial wall of described frame by elastic parts, described axle is arranged in described bearing, described axle stretches out outside frame through the first through hole on described frame inner bottom surface, described in the axle head stretched out outside frame be arranged with described guide wheel, the skin of described guide wheel is provided with brake lining; Described axle, bearing, guide wheel are arranged and symmetrical in pairs, and the outer width of described symmetrical two guide wheels is larger than the outer width of frame; Described first through hole extends and is communicated with the second through hole outside described rack level, described second through hole is square, described first through hole is cylinder, described in be positioned at the first through hole shaft part be set to square, this shaft part can move to the second through hole from the first through hole.

2. the end-beam arrangement of a kind of hoisting crane according to claim 1, it is characterized in that: described elastic parts comprises spring perch and spring, two spring perches are arranged on described bearing respectively with on the madial wall of frame, spring is arranged between this two spring perch, makes to realize elastic reaction between described bearing and frame madial wall.

3. the end-beam arrangement of a kind of hoisting crane according to claim 1, is characterized in that: described engine installation is the two-way cylinder that outbound course is contrary, or two one-way cylinders.

4. the end-beam arrangement of a kind of hoisting crane according to claim 1, it is characterized in that: described bearing is arranged on a mount pad, this mount pad is fixedly connected with described push rod, described mount pad is connected with described elastic parts, the bottom of described mount pad is provided with wheel, by this wheel, described mount pad can be supported on described frame inner bottom surface.