Novel automatic windproof rail clamping equipment of gantry crane

Abstract

The invention relates to the technical field of novel rail clamping equipment, in particular to novel automatic windproof rail clamping equipment of a gantry crane, which comprises a rail clamping device, a detection assembly is arranged on the rail clamping device, the detection assembly comprises gas tanks positioned on two sides of the rail clamping device, and fixing sleeves are mounted at the bottoms of the gas tanks. A first spring is fixedly connected into the fixing sleeve, a detection rod connected with the first spring is slidably arranged at the bottom of the air box, the upper portion of the air box communicates with a first pipeline, a limiting assembly is fixedly installed on the rail clamping device, and the limiting assembly comprises sliding rods located on the two sides of a clamp arm on the rail clamping device. The movement amplitude of the detection rod is observed through the detection assembly, so that the integrity of the track is visually judged, track automatic detection is carried out, constructors are assisted in predicting the track state in advance, and the situation that the track is bent and abraded due to long-term use, then the track clamping device cannot be completely attached to the track in use, and the windproof capacity of the portal frame is reduced is prevented.

Description

Technical Field

[0001] The invention relates to the technical field of novel rail clamping equipment, in particular to a novel automatic windproof rail clamping equipment for a portal crane. Background Art

[0002] The new automatic windproof rail clamping device for portal cranes is a safety device specifically designed for gantry cranes. It prevents the gantry crane from sliding along the tracks in adverse weather conditions such as strong winds, ensuring the crane's stability and safety. The device uses an automated control system to automatically open and close the rail clamp, meeting wind protection requirements in varying wind speeds.

[0003] Currently, when using a gantry crane, track clamps are installed on both sides of the gantry crane to fix the gantry crane on the track. However, the track is prone to bending and wear during long-term use. If these problems are not discovered and handled in time, the track clamps may not be able to fully fit the track when running on the bent and worn track, reducing the windproof ability of the gantry crane. Summary of the Invention

[0004] The purpose of the present invention is to provide a new type of automatic windproof track clamping device for a gantry crane. By moving the detection rod inside the fixed sleeve, the original air inside the fixed sleeve is squeezed into the air box. The two groups of detection rods on the inner bending side are no longer squeezed by the track, so that the first spring drives the detection rod to rebound. The movement amplitude of the detection rod is observed by the detection component to intuitively judge the integrity of the track, perform automatic track detection, and assist construction personnel to predict the track status in advance to prevent the track from bending and wearing due to long-term use, which will cause the track clamp to fail to fully fit the track during use, thereby reducing the windproof ability of the gantry.

[0005] To achieve the above objectives, the present invention provides the following technical solutions: a novel automatic windproof rail clamping device for a portal crane, comprising a rail clamp, the rail clamp being provided with a detection assembly, the detection assembly comprising air boxes located on both sides of the rail clamp, a fixing sleeve being installed at the bottom of the air box, a first spring being fixedly connected to the interior of the fixing sleeve, a detection rod connected to the first spring being slidably provided at the bottom of the air box, and a first pipe being connected to the upper portion of the air box; A limiting assembly is fixedly installed on the rail clamp, and the limiting assembly includes sliding rods located on both sides of the clamping arms on the rail clamp, a retractable two-way telescopic rod slides on the sliding rod, and limiting balls are fixedly connected to both sides of the two-way telescopic rod, a third pipe is sleeved on the bottom of the two-way telescopic rod, one end of the third pipe is connected to a telescopic plate, a clamping plate slides on the telescopic plate and is clamped with a hexagonal bolt, and one side of the telescopic plate is connected to the first pipe.

[0006] Preferably, one side of the detection rod is fixedly connected to a U-shaped rod, one side of the U-shaped rod extends through the air box installation, and one side of the U-shaped rod is fixedly connected to an L-shaped rod.

[0007] Preferably, one side of the L-shaped rod extends through the first pipe, and a limiting ring is provided on the L-shaped rod.

[0008] Preferably, a first ventilation block is movably mounted on the L-shaped rod, and a second ventilation block is provided at the point where one side of the first pipe is connected to the air box.

[0009] Preferably, one side of the third pipe is fixedly connected to a telescopic rod, and one side of the telescopic rod is fixedly connected to the bidirectional telescopic rod.

[0010] Preferably, the bidirectional telescopic rod is fixedly connected to a connecting rod, and one side of the connecting rod is fixedly connected to the limiting ball.

[0011] Preferably, a slider is provided on one side of the limiting ball, a sliding groove is provided on the sliding rod, and the slider is slidably connected to the sliding groove.

[0012] Preferably, a fixing frame is provided on the first pipe and the third pipe, and one side of the fixing frame is fixedly connected to the rail clamp.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. When the rail clamp moves to the outer bend, the detection rod is squeezed by the outer bend. The two sets of detection rods squeeze the first spring to cause elastic deformation, causing the detection rod to move inside the fixed sleeve, squeezing the air originally inside the fixed sleeve into the air box. The two sets of detection rods on the inner bend side are no longer squeezed by the track, causing the first spring to drive the detection rod to rebound. By observing the movement range of the detection rod, the integrity of the track can be intuitively judged, and the track can be automatically inspected, helping construction personnel to predict the track status in advance, preventing the track from bending and wearing due to long-term use, which may cause the rail clamp to fail to fully fit the track during use, thereby reducing the windproof ability of the gantry. 2. When the track width is large, the present invention causes a certain amount of compression deformation of the first spring to increase, causing the detection rod to move inside the fixed sleeve, squeezing more air originally inside the fixed sleeve into the air box. As a result, after pulling the L-shaped rod, more air moves from the air box to the third pipe, thereby increasing the distance the bidirectional telescopic rod moves. Due to the inclined design of the sliding rod, the distance between the two limiting balls will become closer and closer during the movement of the bidirectional telescopic rod, thereby reducing the rotation range of the clamping arm. Therefore, the rotation range of the clamping arm is adaptively adjusted according to the size of the track, preventing the rotation range of the clamping arm from exceeding the controllable range, resulting in unstable clamping of the clamping arm to the track, or excessive clamping that damages the track. 3. In the present invention, when the original air inside the fixed sleeve is squeezed into the air box, the excess gas is discharged through the first pipe. The first pipe discharges the gas into the telescopic plate. The gas inside the telescopic plate pushes the clamping plate out, clamping the hexagonal bolts at the connection between the track clamp and the gantry, preventing the connection from shaking when the track clamp and the gantry are in operation, which may cause the hexagonal bolts at the connection between the track clamp and the gantry to loosen and detach over a long period of time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The overall structure of the present invention is shown in FIG. Figure 1 ; Figure 2 The overall structure of the present invention is shown in FIG. Figure 2 ; Figure 3 Schematic diagram of the detection component structure of the present invention; Figure 4 For the present invention Figure 3 A schematic diagram of the structure at center A; Figure 5 For the present invention Figure 3 A magnified schematic diagram of the structure at point B in the middle; Figure 6 Schematic diagram of the limiting component structure of the present invention Figure 1 ; Figure 7 This is a schematic diagram of the telescopic plate and the card plate structure of the present invention; Figure 8 Schematic diagram of the limiting component structure of the present invention Figure 2 ; Figure 9 Schematic diagram of the limiting component structure of the present invention Figure 3 .

[0015] In the figure: 1. Track clamp; 2. Detection assembly; 201. Air box; 202. First spring; 203. Detection rod; 204. U-shaped rod; 205. L-shaped rod; 206. First pipe; 207. First ventilation block; 208. Second ventilation block; 213. Fixed sleeve; 3. Limitation assembly; 301. Telescopic plate; 302. Card plate; 303. Third pipe; 304. Telescopic rod; 305. Two-way telescopic rod; 306. Connecting rod; 307. Limiting ball; 308. Slider; 309. Sliding rod. DETAILED DESCRIPTION

[0016] To make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] See Figures 1 to 9 As shown, the present invention provides a new type of automatic windproof rail clamping device for a gantry crane, including a rail clamp 1. The rail clamp 1 is installed on both sides of the gantry clamp to fix the gantry crane track and prevent it from slipping. The rail clamp 1 is usually installed on the walking mechanism of the gantry crane and clamps the track by mechanical or hydraulic means to ensure the stability of the equipment in a non-working state or under external forces such as wind. A detection component 2 is provided on the rail clamp 1. The detection component 2 is used to detect whether the track is bent or worn due to long-term use. The rail clamp 1 may not be able to fully fit the track, reducing the windproof ability of the gantry. The detection component 2 includes a plurality of rail clamps located on both sides of the rail clamp 1. The air box 201 is used to store gas. A fixed sleeve 213 is installed at the bottom of the air box 201. The fixed sleeve 213 is used to provide an operating place for other devices. The first spring 202 is fixedly connected to the inside of the fixed sleeve 213. Driven by other devices, the first spring 202 undergoes elastic deformation inside the four groups of fixed sleeves 213. A detection rod 203 connected to the first spring 202 is slidably provided at the bottom of the air box 201. The detection rod 203 is used to detect whether the track is bent or worn due to long-term use. The upper part of the air box 201 is connected to the first pipe 206, which is used to transmit gas.

[0018] When the track clamp 1 enters the track for inspection, the four groups of inspection rods 203 first contact the track, and the pressure is transmitted to the four groups of inspection rods 203 through the track, causing the first spring 202 to undergo a certain compression deformation, so that the four groups of inspection rods 203 run close to the track. When there is an external bend or an internal bend on the track due to bending and wear caused by long-term use, when the track clamp 1 moves to the external bend, the inspection rod 203 will be squeezed by the external bend point, and the two groups of inspection rods 203 squeeze the first spring 202 to cause elastic deformation, so that the inspection rod 203 moves inside the fixed sleeve 213. The two groups of inspection rods 203 on the inner bend side are no longer squeezed by the track, so that the first spring 202 drives the inspection rod 203 to rebound. By observing the movement amplitude of the inspection rod 203, the integrity of the track can be intuitively judged, and the track can be automatically inspected, which assists construction personnel in predicting the track status in advance and preventing the track from bending and wearing due to long-term use, which may cause the track clamp 1 to be unable to fully fit the track during use, thereby reducing the windproof ability of the gantry.

[0019] See Figures 6 to 9 As shown, a limiting component 3 is fixedly installed on the track clamp 1. The limiting component 3 is used to limit the clamping arm of the track clamp 1 and to clamp different sizes of tracks. The limiting component 3 includes slide bars 309 on both sides of the clamping arm of the track clamp 1. The slide bars 309 are used to guide the device to slide upward. The slide bars 309 can adjust the angle of the slide bars 309 during production according to actual data. A retractable bidirectional telescopic rod 305 slides on the slide bar 309. The bidirectional telescopic rod 305 is used to drive the device to move. Limiting balls 307 are fixedly connected on both sides of the bidirectional telescopic rod 305. The bidirectional telescopic rod 305 drives the limiting balls 307 to extend. A third pipe 303 is provided at the bottom of the bidirectional telescopic rod 305. The third pipe 303 transmits gas to the bidirectional telescopic rod 305. The gas causes both sides of the bidirectional telescopic rod 305 to extend simultaneously. The telescopic rod 305 drives the limiting ball 307 to move on the sliding rod 309. Since the limiting balls 307 are arranged on both sides of the clamping arm of the track clamp 1, when the bidirectional telescopic rod 305 drives the limiting balls 307 to move upward to a certain position, the two limiting balls 307 are located on both sides of the clamping arm, which can play a certain limiting role in the range of motion of the clamping arm. When the clamping arm rotates to clamp the track, once the clamping arm rotates and clamps at an angle that is too large, the clamping arm will touch the limiting ball 307 on one side. On the one hand, the staff can intuitively see the contact state of the limiting ball 307 and the clamping arm to judge that the clamping arm rotates and clamps at an angle that is too large; on the other hand, the limiting ball 307 limits the rotation of the clamping arm, which can prevent the clamping arm from rotating and clamping at an angle that is too large, and the track clamping force of the track clamp 1 is too large to damage the track, increase maintenance costs, and is not conducive to the stability of the gantry.

[0020] It is also noted that when the internal pressure of the air box 201 is constant, when facing the clamping of rails of different sizes, due to the different sizes of the rails, the detection rod 203 is always in contact with the rail through the first spring 202, thereby causing the initial position of the detection rod 203 to change according to the size of the rail, thereby causing the pressure inside the air box 201 to change initially due to the change in the size of the rail. For example, when the width of the track is large, the compression deformation of the first spring 202 increases to a certain extent, causing the detection rod 203 to move inside the fixed sleeve 213, and the amount of gas originally squeezed into the fixed sleeve 213 into the air box 201 increases. Therefore, after pulling the L-shaped rod 205, the amount of gas moved from the inside of the air box 201 to the inside of the third pipe 303 increases, thereby making the distance moved by the two-way telescopic rod 305 longer. Due to the inclined design of the sliding rod 309, the distance between the two limiting balls 307 will become closer and closer during the movement of the two-way telescopic rod 305, thereby making the rotation range of the clamp arm smaller and smaller. Therefore, according to the size of the track, the rotation range of the clamp arm is adaptively adjusted to avoid the rotation range of the clamp arm exceeding the controllable range, resulting in the clamp arm clamping the track not being stable enough, or excessive clamping damaging the track.

[0021] In addition, the inclination angle of the slide bar 309 can be adjusted according to actual conditions so as to be flexibly applied to the rail clamping work.

[0022] One end of the third pipe 303 is connected to a telescopic plate 301, on which a clamping plate 302 engaged with the hexagonal bolt slides, and one side of the telescopic plate 301 is connected to the first pipe 206. The first pipe 206 discharges gas into the telescopic plate 301, and the gas inside the telescopic plate 301 pushes out the clamping plate 302, thereby clamping the hexagonal bolt at the connection between the track clamp 1 and the gantry, preventing the connection from shaking when the track clamp 1 and the gantry are in operation, which may cause the hexagonal bolt at the connection between the track clamp 1 and the gantry to loosen and detach over a long period of time.

[0023] When the two groups of detection rods 203 on the outer bending side are squeezed, the two groups of detection rods 203 squeeze the first spring 202 to cause elastic deformation, causing the detection rod 203 to move inside the fixed sleeve 213, squeezing the original air inside the fixed sleeve 213 into the air box 201. The air box 201 itself is filled with gas. When the original air inside the fixed sleeve 213 is squeezed into the air box 201, the excess gas is discharged through the first pipe 206. The first pipe 206 discharges the gas into the telescopic plate 301. The gas inside the telescopic plate 301 pushes the card plate 302 out, jamming the hexagonal bolts at the connection between the track clamp 1 and the gantry, preventing the connection from shaking when the track clamp 1 and the gantry are running, which may cause the hexagonal bolts at the connection between the track clamp 1 and the gantry to loosen and detach over time.

[0024] In an optional embodiment, one side of each two groups of detection rods 203 is fixedly connected to a U-shaped rod 204, one side of the two groups of U-shaped rods 204 extends through the air box 201 for installation, and one side of the U-shaped rod 204 is fixedly connected to an L-shaped rod 205. When the two groups of detection rods 203 on the outer bending side are squeezed, the two groups of detection rods 203 squeeze the first spring 202 to cause elastic deformation, causing the detection rods 203 to move inside the fixed sleeve 213, and the detection rods 203 drive the U-shaped rods 204 to move inside the air box 201, and the U-shaped rods 204 drive the L-shaped rods 205 to move.

[0025] In an optional embodiment, one side of both sets of L-shaped rods 205 extends through the first pipe 206, and the L-shaped rods 205 slide inside the first pipe 206. A limiting ring is provided on the L-shaped rod 205, which is used to limit the movement of the first ventilation block 207 to prevent the first ventilation block 207 from moving too far and affecting the operation of other devices.

[0026] In an optional embodiment, a first ventilation block 207 is movably installed on the L-shaped rod 205, and a second ventilation block 208 is provided at the place where the first pipe 206 is connected to the air box 201 on one side. The first ventilation block 207 is movably installed on both groups of L-shaped rods 205, and a second ventilation block 208 is provided at the place where the two groups of first pipes 206 are connected to the air box 201 on one side. The ventilation ports of the first ventilation block 207 and the second ventilation block 208 are not in the same position. When the first ventilation block 207 and the second ventilation block 208 are merged, the air box 201 does not transmit gas to the first pipe 206, and the U-shaped rod 204 drives the L-shaped rod 205 to move, and the L-shaped rod 205 drives the first ventilation block 207 to move and separate from the second ventilation block 208, so that the air box 201 transmits gas to the first pipe 206.

[0027] In an optional embodiment, one side of the two groups of third pipes 303 is fixedly connected to a telescopic rod 304, and one side of the two groups of telescopic rods 304 is fixedly connected to the bidirectional telescopic rod 305. The gas inside the telescopic plate 301 will flow back to the inside of the third pipe 303 for transmission. The gas is transmitted through the telescopic rod 304, causing both sides of the bidirectional telescopic rod 305 to extend at the same time. The bidirectional telescopic rod 305 drives the limiting ball 307 to extend. The bidirectional telescopic rod 305 drives the limiting ball 307 on the sliding rod 309. When moving upward, the telescopic rod 304 also extends so as not to affect the movement of the limiting ball 307 on the sliding rod 309.

[0028] In an optional embodiment, the two sets of bidirectional telescopic rods 305 are fixedly connected to the connecting rod 306, and one side of the two sets of connecting rods 306 is fixedly connected to the limiting ball 307. The two sides of the bidirectional telescopic rod 305 are extended at the same time, and the limiting ball 307 is driven to extend and retract through the connecting rod 306.

[0029] In an optional embodiment, a slider 308 is provided on one side of the limiting ball 307, and a sliding groove is provided on the sliding rod 309. The slider 308 is slidably connected to the sliding groove. The two-way telescopic rod 305 drives the limiting ball 307 to extend. The two-way telescopic rod 305 drives the limiting ball 307 to slide in the sliding groove through the slider 308, and the limiting ball 307 moves on the sliding rod 309.

[0030] In an optional embodiment, the two groups of first pipes 206 and the two groups of third pipes 303 are each provided with a fixing frame, one side of which is fixedly connected to the rail clamp 1 , and the fixing frame is used to fix the two groups of first pipes 206 and the two groups of third pipes 303 .

[0031] Working principle: the four groups of detection rods 203 first contact the track, and the pressure is transmitted to the four groups of detection rods 203 through the track, causing the first spring 202 to undergo a certain compression deformation, so that the four groups of detection rods 203 run close to the track. When there is an outer bend or inner bend on the track due to bending and wear caused by long-term use, when the track clamp 1 moves to the outer bend, the detection rod 203 will be squeezed by the outer bend point, and the two groups of detection rods 203 squeeze the first spring 202 to elastically deform, so that the detection rod 203 moves inside the fixed sleeve 213, and the two groups of detection rods 203 on the inner bend side are no longer squeezed by the track, so that the first spring 202 drives the detection rod 203 to rebound. By observing the movement amplitude of the detection rod 203, the integrity of the track can be intuitively judged, and the track can be automatically detected, which helps construction personnel predict the track status in advance and prevent the track from bending and wearing due to long-term use, which may cause the track clamp 1 to fail to fully fit the track during use, thereby reducing the windproof ability of the gantry. Under the condition that the pressure inside the air box 201 is constant, when clamping rails of different sizes, the detection rod 203 is always in contact with the rail through the first spring 202 due to the different sizes of the rails. As a result, the initial position of the detection rod 203 will change according to the size of the rail, thereby causing the pressure inside the air box 201 to change at the beginning due to the change in the size of the rail. For example, a certain amount of compression deformation of the first spring 202 increases, causing the detection rod 203 to move inside the fixing sleeve 213, squeezing the original air inside the fixing sleeve 213 into the gas inside the air box 201. The amount of gas increases, and thus after the L-shaped rod 205 is pulled, the amount of gas that moves from the inside of the gas box 201 to the inside of the third pipe 303 increases, thereby causing the two-way telescopic rod 305 to move a longer distance. Due to the inclined design of the sliding rod 309, the distance between the two limiting balls 307 will become closer and closer during the movement of the two-way telescopic rod 305, thereby causing the rotation range of the clamping arm to become smaller and smaller. Therefore, the rotation range of the clamping arm is adaptively adjusted according to the size of the track, preventing the rotation range of the clamping arm from exceeding the controllable range, resulting in the clamping arm clamping the track instability, or excessive clamping damaging the track; When the two groups of detection rods 203 on the outer bending side are squeezed, the two groups of detection rods 203 squeeze the first spring 202 to cause elastic deformation, causing the detection rod 203 to move inside the fixed sleeve 213, squeezing the original air inside the fixed sleeve 213 into the air box 201. The air box 201 itself is filled with gas. When the original air inside the fixed sleeve 213 is squeezed into the air box 201, the excess gas is discharged through the first pipe 206. The first pipe 206 discharges the gas into the telescopic plate 301. The gas inside the telescopic plate 301 pushes the card plate 302 out, jamming the hexagonal bolts at the connection between the track clamp 1 and the gantry, preventing the connection from shaking when the track clamp 1 and the gantry are running, which may cause the hexagonal bolts at the connection between the track clamp 1 and the gantry to loosen and detach over time.

[0032] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A new type of automatic windproof rail clamping device for a portal crane, comprising a rail clamp (1), characterized in that: The rail clamp (1) is provided with a detection assembly (2), the detection assembly (2) comprising air boxes (201) located on both sides of the rail clamp (1), a fixing sleeve (213) being installed at the bottom of the air box (201), a first spring (202) being fixedly connected to the inside of the fixing sleeve (213), a detection rod (203) connected to the first spring (202) being slidably provided at the bottom of the air box (201), and a first pipe (206) being communicated with the upper portion of the air box (201); A limiting assembly (3) is fixedly mounted on the rail clamp (1), and the limiting assembly (3) includes a slide bar (309) located on both sides of the clamping arm of the rail clamp (1), a retractable bidirectional telescopic rod (305) slides on the slide bar (309), and limiting balls (307) are fixedly connected to both sides of the bidirectional telescopic rod (305), a third pipe (303) is sleeved on the bottom of the bidirectional telescopic rod (305), one end of the third pipe (303) is connected to a telescopic plate (301), a clamping plate (302) clamped with a hexagonal bolt slides on the telescopic plate (301), and one side of the telescopic plate (301) is connected to the first pipe (206).

2. The new automatic windproof rail clamping device for a portal crane according to claim 1 is characterized in that: One side of the detection rod (203) is fixedly connected to a U-shaped rod (204), one side of the U-shaped rod (204) extends through the air box (201) for installation, and one side of the U-shaped rod (204) is fixedly connected to an L-shaped rod (205).

3. The new automatic windproof rail clamping device for a portal crane according to claim 2 is characterized in that: One side of the L-shaped rod (205) extends through the first pipe (206), and a limiting ring is provided on the L-shaped rod (205).

4. The new automatic windproof rail clamping device for a portal crane according to claim 3 is characterized in that: A first ventilation block (207) is movably mounted on the L-shaped rod (205), and a second ventilation block (208) is provided at a point where one side of the first pipe (206) is connected to the air box (201).

5. The new automatic windproof rail clamping device for a portal crane according to claim 1 is characterized in that: One side of the third pipe (303) is fixedly connected to a telescopic rod (304), and one side of the telescopic rod (304) is fixedly connected to a bidirectional telescopic rod (305).

6. The new automatic windproof rail clamping device for a portal crane according to claim 1, characterized in that: The bidirectional telescopic rod (305) is fixedly connected to a connecting rod (306), and one side of the connecting rod (306) is fixedly connected to a limiting ball (307).

7. The new automatic windproof rail clamping device for a portal crane according to claim 6, characterized in that: A slider (308) is provided on one side of the limiting ball (307), a sliding groove is provided on the sliding rod (309), and the slider (308) is slidably connected to the sliding groove.

8. The new automatic windproof rail clamping device for a portal crane according to claim 1, characterized in that: A fixing frame is provided on the first pipe (206) and the third pipe (303), and one side of the fixing frame is fixedly connected to the rail clamp (1).

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