Crane track connecting device

Abstract

The utility model belongs to the technical field of crane equipment, and relates to a crane track connecting device which comprises a body and a stop plate, the body is of an integrated central symmetry structure, a left notch and a right notch are formed in the two ends of the body respectively, a left guide arm is connected to an opening in one side of the left notch, and a right guide arm is connected to an opening in one side of the right notch. The left notch and the left guide arm are used for being fixedly connected with a first track to be connected, the right notch and the right guide arm are used for being fixedly connected with a second track to be connected, a key groove is formed in the bottom of the body, and the stop plate is arranged in the key groove. The left notch, the right notch, the left guide arm and the right guide arm are connected with the first rail and the second rail to be connected, the structure is simple, practicability is high, and maintenance is convenient; the stop plate and the crane beam are welded into a whole, so that the track can be effectively fixed on the crane beam, and the track does not move disorderly; through bolt holes used for connection of high-strength bolts and nuts are formed by combining round holes and long-strip-shaped holes, and the expansion joint can be kept within a reasonable range all the time.

Description

Technical Field

[0001] The utility model belongs to the technical field of crane equipment, and in particular relates to a crane rail connecting device. Background Art

[0002] In the metallurgical industry, cranes are important material transportation equipment and play a vital role. The crane runs longitudinally along the track. The entire track is composed of fixed-length rails connected one by one, which is tens of meters or even hundreds of meters long. The rails are generally fixed to the traveling beam through a pressure plate. Considering the influence of thermal expansion and contraction, expansion joints should be left at the joints, and the two rails are connected together at the joints with plywood. Due to the heavy weight and load of the lifting equipment, frequent starts and stops, and great impact on the track, it is easy to cause the track to shift, the rail joints are of different sizes, and even several rails move in one direction, causing wave deformation at the joints of several rails. The joints concentrated in one place are too large, which can cause damage to the wheels and occasional breakage of the rails in severe cases, affecting the stable operation of the crane and bringing adverse effects to industrial buildings. Summary of the invention

[0003] The utility model aims to provide a crane rail connection device and a use method which can prevent the rail from moving disorderly and always maintain a reasonable expansion joint and has strong adaptability.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a crane rail connecting device, including a main body and a stop plate, the main body is an integrated central symmetrical structure, a left notch and a right notch are respectively opened at two ends of the main body, a left guide arm is connected to one side opening of the left notch, and a right guide arm is connected to one side opening of the right notch, the left notch and the left guide arm are used to be connected and fixed to the first rail to be connected, the right notch and the right guide arm are used to be connected and fixed to the second rail to be connected, a key slot is provided at the bottom of the main body, and the stop plate is arranged in the key slot.

[0005] Furthermore, the width of the top and bottom of the body is consistent with the width of the top and bottom of the rail one and the rail two.

[0006] Furthermore, the left notch and the right notch are disposed bilaterally symmetrically, and the left guide arm and the right guide arm are disposed centrally symmetrically.

[0007] Furthermore, bolt holes are provided at the ends of the rail one and the rail two, the left slot and the right slot are open toward the end and the bottom, and through bolt holes matching the bolt holes on the rail one and the rail two are provided on the two side walls of the left slot and the right slot, and the left slot and the rail one as well as the right slot and the rail two are connected and fixed by high-strength bolts and nuts respectively.

[0008] Furthermore, the bolt holes on the first rail and the through bolt holes on both sides of the left slot are round holes, and the bolt holes on the second rail and the through bolt holes on both sides of the right slot are long holes.

[0009] Furthermore, the through bolt hole is arranged at a height of the body corresponding to the waistline of the rail.

[0010] Furthermore, the keyway is located between the left notch and the right notch, and is vertically arranged with the left notch and the right notch. The keyway runs transversely through the middle of the main body and the bottom of the stop plate is flush with the bottom of the main body after being installed in conjunction with the keyway.

[0011] Furthermore, the bottoms of the side walls of the main body at both ends of the keyway are provided with reinforcing ribs, and the reinforcing ribs extend to both ends of the main body.

[0012] Furthermore, the distance between the left guide arm and the longitudinal center line of the body is half of the minimum thickness of a waist of the connected rail.

[0013] The utility model has the following beneficial effects: the crane rail connecting device of the utility model is connected to the first rail and the second rail to be connected through the left and right notches and the left and right guide arms, and has a simple structure, strong practicability and is easy to maintain; the stop plate is welded to the crane beam as a whole, which can effectively fix the rail on the crane beam, and the rail no longer moves disorderly; the through bolt holes used for connecting high-strength bolts and nuts adopt a combination of round holes and long strip holes, which can keep the expansion joint within a reasonable range at all times, improve the adaptability of the rail, and ensure the smooth operation of the crane in harsh environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a schematic diagram of the structure of a crane rail connecting device.

[0015] Figure 2 The utility model is a schematic diagram of the main body structure of the crane rail connecting device.

[0016] Figure 3 A sectional view of a main body of a crane rail connecting device according to the utility model.

[0017] Figure 4 It is a schematic diagram of the track-joint structure of the utility model.

[0018] Figure 5 It is a schematic diagram of the structure of the second joint of the track of the utility model.

[0019] Figure 6 It is a schematic diagram of the installation and use of the crane rail connecting device of the utility model.

[0020] Among them, 1. main body; 2. left guide arm; 3. left notch; 4. right notch; 5. right guide arm; 6. keyway; 7. through bolt hole; 8. reinforcing rib; 9. stop plate; 10. rail one; 11. rail two; 12. rail presser; 13. high-strength bolts and nuts. DETAILED DESCRIPTION

[0021] The following are specific embodiments of the present invention, which further describe the technical solution of the present invention, but the protection scope of the present invention is not limited to these embodiments. Any changes or equivalent substitutions that do not deviate from the concept of the present invention are included in the protection scope of the present invention.

[0022] like Figure 1-3 As shown, a crane rail connecting device includes a main body 1 and a stop plate 9, wherein the main body 1 is an integrated centrally symmetrical structure, a left slot 3 and a right slot 4 are respectively provided at both ends of the main body 1, a left guide arm 2 is connected to one side opening of the left slot 3, and a right guide arm 5 is connected to one side opening of the right slot 4, the left slot 3 and the left guide arm 2 are used to be connected and fixed to the rail 10 to be connected, the right slot 4 and the right guide arm 5 are used to be connected and fixed to the rail 2 11 to be connected, a key slot 6 is provided at the bottom of the main body 1, and the stop plate 9 is arranged in the key slot 6.

[0023] The width of the top and bottom of the body 1 is consistent with the width of the top and bottom of the track 10 and the track 2 11. The width of the top and bottom of the body 1 is 120 mm and 170 mm respectively, which is consistent with the connected QU120 track.

[0024] The left notch 3 and the right notch 4 are arranged symmetrically, and the left guide arm 2 and the right guide arm 5 are arranged symmetrically. The distance between the left guide arm 2 and the longitudinal center line of the body 1 is half of the minimum thickness of the waist of the connected track 10, which is 22 mm.

[0025] The ends of the rail 10 and the rail 2 11 are provided with bolt holes, which are located at the waistline of the rails. The left notch 3 and the right notch 4 are open toward the ends and the bottom. The two side walls of the left notch 3 and the right notch 4 are provided with through bolt holes 7 that match the bolt holes on the rail 10 and the rail 2 11. The through bolt holes 7 are arranged at the height of the body 1 corresponding to the waistline of the rails. The left notch 3 and the rail 10 and the right notch 4 and the rail 2 11 are connected and fixed by high-strength bolts and nuts 13 respectively.

[0026] The bolt holes on the first rail 10 and the through bolt holes 7 on both sides of the left slot 3 are round holes, and the bolt holes on the second rail 11 and the through bolt holes 7 on both sides of the right slot 4 are long holes.

[0027] The key slot 6 is located between the left slot 3 and the right slot 4, and is vertically arranged with the left slot 3 and the right slot 4. The key slot 6 runs horizontally through the middle of the main body 1 just below. The key slot 6 is set to be 50 mm wide and 26 mm deep. After the stop plate 9 is installed in conjunction with the key slot 6, the bottom is flush with the bottom of the main body 1.

[0028] The bottom of the side wall of the main body 1 at both ends of the keyway 6 is provided with reinforcing ribs 8 , and the reinforcing ribs 8 extend to both ends of the main body 1 .

[0029] like Figure 4-6 As shown, the method for using the crane rail connecting device comprises the following steps:

[0030] Step 1: Assemble the stop plate 9 with the keyway 6 below the connecting device and place it on the steel crane beam;

[0031] Step 2, the two ends of the connecting device are respectively connected to the rail 10 and the rail 2 11, and are connected by high-strength bolts and nuts 13, wherein the bolt holes of the joint of the rail 10 are round holes, and the bolt holes of the joint of the rail 2 11 are long holes;

[0032] Step 3: Adjust the positions of the track 1 10, track 2 11 and the connecting device, and pay attention to adjusting the expansion joints on the side of the long hole;

[0033] Step 4, welding the stop plate 9 and the crane beam into one;

[0034] Step 5: Use the rail clamp 12 to weld and fix on the crane beam and clamp the rail 1 10, the rail 2 11 and the connecting device to complete the installation of the three;

[0035] Step 6. Repeat steps 1-5 until all connections are completed.

[0036] The present utility model is not limited to the above-mentioned implementation modes, and anyone should be aware of the structural changes made under the inspiration of the present utility model. Any technical solutions that are the same or similar to the present utility model fall within the protection scope of the present utility model.

[0037] The technology, shape and structure parts not described in detail in the present invention are all known technologies.

Claims

1. A crane rail connection device, characterized in that: It includes a body and a stop plate, the body is an integrated central symmetrical structure, a left slot and a right slot are respectively provided at two ends of the body, a left guide arm is connected to one side opening of the left slot, a right guide arm is connected to one side opening of the right slot, the left slot and the left guide arm are used to be connected and fixed to the first rail to be connected, the right slot and the right guide arm are used to be connected and fixed to the second rail to be connected, a key slot is provided at the bottom of the body, and the stop plate is arranged in the key slot.

2. The crane rail connection device according to claim 1, characterized in that: The width of the top and bottom of the body is consistent with the width of the top and bottom of the rail one and the rail two.

3. The crane rail connection device according to claim 1, characterized in that: The left notch and the right notch are arranged symmetrically on the left and right, and the left guide arm and the right guide arm are arranged symmetrically on the center.

4. The crane rail connection device according to claim 1, characterized in that: Bolt holes are provided at the ends of the rail one and the rail two, the left slot and the right slot are open toward the ends and the bottom, and through bolt holes matching the bolt holes on the rail one and the rail two are provided on the two side walls of the left slot and the right slot, and the left slot and the rail one as well as the right slot and the rail two are connected and fixed respectively by high-strength bolts and nuts.

5. The crane rail connection device according to claim 4, characterized in that: The bolt holes on the first rail and the through bolt holes on both sides of the left slot are round holes, and the bolt holes on the second rail and the through bolt holes on both sides of the right slot are long holes.

6. The crane rail connection device according to claim 4, characterized in that: The through bolt hole is arranged at a height corresponding to the waistline of the rail of the main body.

7. The crane rail connection device according to claim 1, characterized in that: The keyway is located between the left notch and the right notch, and is vertically arranged with the left notch and the right notch. The keyway runs horizontally through the lower part of the middle of the body. After the stop plate is installed in cooperation with the keyway, the bottom is flush with the bottom of the body.

8. The crane rail connection device according to claim 1, characterized in that: The bottoms of the side walls of the main body at both ends of the keyway are provided with reinforcing ribs, and the reinforcing ribs extend to both ends of the main body.

9. The crane rail connection device according to claim 1, characterized in that: The distance between the left guide arm and the longitudinal center line of the body is half of the minimum thickness of a waist of the connected track.

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