CN220116072U - Anti-slip safety device of gantry crane for tunnel construction - Google Patents
Anti-slip safety device of gantry crane for tunnel construction Download PDFInfo
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- CN220116072U CN220116072U CN202321550009.0U CN202321550009U CN220116072U CN 220116072 U CN220116072 U CN 220116072U CN 202321550009 U CN202321550009 U CN 202321550009U CN 220116072 U CN220116072 U CN 220116072U
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- rail wheel
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- gantry crane
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- iron arc
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- 238000010276 construction Methods 0.000 title claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 76
- 229910052742 iron Inorganic materials 0.000 claims abstract description 38
- 230000003068 static effect Effects 0.000 abstract description 8
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an anti-slip safety device of a gantry crane for tunnel construction, which is arranged in a wheel box of a gantry crane track and comprises an electromagnet, an iron arc-shaped backboard, a wooden inner pad and a tension resetting unit; an electromagnet is fixedly arranged on the inner wall of one end of the wheel box, and an iron arc-shaped backboard is hinged on the inner wall of the top of the wheel box; the iron arc back plate is fixedly compositely arranged on one side face of the rail wheel facing to the wooden inner lining block, and the iron arc back plate is rotationally hung on one side face of the rail wheel facing away from the rail wheel to be connected with the tension resetting unit; the iron arc-shaped backboard is provided with rotating power towards the direction of the rail wheel by the tension resetting unit, and the electromagnet is provided with rotating power back to the direction of the rail wheel. The safety device is attached to the rail wheel after power is off and leaves the rail wheel after power is on, so that the automatic control of the static limit of the rail wheel of the gantry crane is realized, the power-on control logic of the gantry crane is met, the structure is simple, and the implementation is easy.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to an anti-slip safety device of a gantry crane for tunnel construction.
Background
At present, in the prior art, when the gantry crane is in a non-use state, particularly in a power-off shutdown state, the roller shoes are manually placed on the track to limit the roller wheels of the gantry crane to be used as static limit of the gantry crane rail, and in the power-off shutdown or power-off maintenance state, the roller wheels are difficult to be static limited through an electric control brake device in the prior art, and the roller shoes are manually placed to be easy to lose efficacy due to the fact that the roller shoes are not placed in place or are forgotten to be placed.
Therefore, how to design an anti-slip safety device of a gantry crane for tunnel construction can realize automatic static limit of a gantry crane rail wheel according to power-on/power-off control logic of the gantry crane in use and non-use states, and the technical problem to be solved urgently by the person in the field is achieved.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides an anti-slip safety device of a gantry crane for tunnel construction, which is attached to a rail wheel after power failure and leaves the rail wheel after power failure, realizes automatic control of static limit of the rail wheel of the gantry crane, accords with power-on and power-off control logic of a gantry, has a simple structure and is easy to realize.
The anti-slip safety device of the gantry crane for tunnel construction is arranged in a wheel box of a gantry crane track and comprises an electromagnet, an iron arc-shaped backboard, a wooden inner pad and a tension resetting unit; an electromagnet is fixedly arranged on the inner wall of one end of the wheel box, and an iron arc-shaped backboard is hinged on the inner wall of the top of the wheel box; the iron arc back plate is fixedly compositely arranged on one side face of the rail wheel facing to the wooden inner lining block, and the iron arc back plate is rotationally hung on one side face of the rail wheel facing away from the rail wheel to be connected with the tension resetting unit; the iron arc-shaped backboard is provided with rotating power towards the direction of the rail wheel by the tension resetting unit, and the electromagnet is provided with rotating power back to the direction of the rail wheel.
The tension resetting unit comprises a tension back rod, a tension spring and a shaft hoop, wherein the tension back rod is rotationally hung on one side surface of the iron arc-shaped back plate, which is opposite to the rail wheel, the connection shaft of the tension back rod and the top of the iron arc-shaped back plate is parallel, and the projection range of the iron arc-shaped back plate extends axially from the two ends of the tension back rod; the axle hoops are rotationally sleeved on the axle shafts at the two ends of the axial direction of the track axle; the two tension springs are symmetrically arranged at the two axial ends of the rail wheel, one end of each tension spring is elastically hung on the tension back rod, and the other end of each tension spring is elastically hung on the shaft hoop.
And the shaft hoops are half hoops of double-petal buckling, and one half hoop is welded and fixedly provided with a connecting lug for movably hanging a tension spring.
And the upper thickness of the wooden inner lining block is larger than the lower thickness of the wooden inner lining block, the lower part of the wooden inner lining block is bent towards the contact surface of the rail wheel and the rail, and one side surface of the wooden inner lining block is made into a convex cambered surface which is adapted to the concave arc of the periphery of the rail wheel.
The utility model has the advantages and technical effects that:
according to the anti-slip safety device of the gantry crane for tunnel construction, the wooden inner lining blocks fixedly arranged on the iron arc-shaped backboard are attached to the periphery of the rail wheel, and extend towards the contact line of the rail wheel and the rail, so that the static limit of the rail wheel is realized; the clutch control of the anti-slip safety device is realized by controlling the hinged connection position of the iron arc-shaped backboard in the wheel box, wherein the tension spring is used for tensioning the iron arc-shaped backboard towards the direction of the track wheel, namely, the iron arc-shaped backboard is still limited and opened; and the electromagnet is used for adsorbing the iron arc-shaped backboard to enable the wooden lining block to be separated from the rail wheel, namely, the wooden lining block is closed in a static limit mode.
Drawings
FIG. 1 is a front view of the present utility model (rest limit on);
FIG. 2 is a front view of the present utility model (rest limit closed);
FIG. 3 is a top view of the present utility model;
FIG. 4 is a schematic illustration of a collar structure according to the present utility model;
in the figure: 1-an electromagnet; 2-an iron arc-shaped backboard; 3-pulling a back bar; 4-wooden inner pad; 5-a tension spring; 6-wheel box; 7-rail wheels; 8-wheel axle; 9-shaft hoops; 10-connecting lugs; 11-convex arc surface.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The anti-slip safety device of the gantry crane for tunnel construction is arranged in a wheel box 6 of a gantry crane track and comprises an electromagnet 1, an iron arc-shaped backboard 2, a wooden inner pad 4 and a tension resetting unit; an electromagnet is fixedly arranged on the inner wall of one end of the wheel box, and an iron arc-shaped backboard is hinged on the inner wall of the top of the wheel box; the iron arc back plate is fixedly compositely arranged on one side face of the rail wheel 7, and the iron arc back plate is rotationally hung on one side face of the rail wheel; the iron arc-shaped backboard is provided with rotating power towards the direction of the rail wheel by the tension resetting unit, and the electromagnet is provided with rotating power back to the direction of the rail wheel.
The tension resetting unit comprises a tension back rod 3, a tension spring 5 and a shaft hoop 9, wherein the tension back rod is rotationally hung on one side surface of the iron arc-shaped back plate, which is opposite to the rail wheel, the connection shaft of the tension back rod and the top of the iron arc-shaped back plate is parallel, and the two ends of the tension back rod axially extend out of the projection range of the iron arc-shaped back plate; the axle hoops are rotationally sleeved on the axle shafts at the two ends of the track axle 8; the two tension springs are symmetrically arranged at the two axial ends of the rail wheel, one end of each tension spring is elastically hung on the tension back rod, and the other end of each tension spring is elastically hung on the shaft hoop.
The shaft hoops are half hoops of double-petal buckling, and one half hoop is welded and fixedly provided with a connecting lug 10 for movably hanging a tension spring.
Moreover, the upper thickness of the wooden inner pad is larger than the lower thickness thereof, the lower part of the wooden inner pad is bent towards the contact surface of the rail wheel and the rail, and one side surface of the wooden inner pad is made into a convex arc surface 11 which is adapted to the concave arc of the periphery of the rail wheel.
In order to more clearly describe the specific embodiments of the present utility model, an example is provided below:
according to the anti-slip safety device for the gantry crane for tunnel construction, in the non-working state of the gantry crane, the posture of the anti-slip safety device is shown in the figure 1, after the electromagnet is powered off, the iron arc-shaped backboard is dragged by the tension back rod and the tension spring until the convex cambered surface of the wooden inner lining block is attached to the rail wheel, and the tip end of the bottom of the wooden inner lining block extends towards the lower side of the rail wheel, so that the static limit opening (namely, the braking function) of the rail wheel is realized; when the gantry crane is in a working state, the gesture of the anti-slip safety device is shown in fig. 2, the electromagnet is electrified and adsorbs the iron arc-shaped backboard, so that the iron arc-shaped backboard overcomes the elastic tension of the tension spring, and the wooden lining block is separated from the rail wheel, so that the rail wheel is stopped and limited to be closed.
In addition, in the utility model, preferably, one end of the tension spring is hung at two ends of the tension back rod by adopting a mature technical means in the prior art; the other end of the tension spring can be rotationally hung on the wheel shaft by adopting the shaft hoop disclosed by the utility model, and can also be rotationally hung on the inner wall of the wheel box, but the thickness of the inner wall of the wheel box is ensured, and the phenomenon that the anti-slip safety fails due to the fact that the box body of the wheel box is deformed due to overlarge tension of the tension spring is avoided.
In the description of the present specification, the descriptions of the terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in the embodiments or examples of the present utility model.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (4)
1. The utility model provides a tunnel construction gantry crane's anti-slide safety device, the device sets up in gantry crane orbital wheel case inside, its characterized in that: the anti-slip safety device comprises an electromagnet, an iron arc-shaped backboard, a wooden inner pad and a tension resetting unit; an electromagnet is fixedly arranged on the inner wall of one end of the wheel box, and an iron arc-shaped backboard is hinged on the inner wall of the top of the wheel box; the iron arc back plate is fixedly compositely arranged on one side face of the rail wheel facing to the wooden inner lining block, and the iron arc back plate is rotatably connected with the tension resetting unit on one side face of the rail wheel facing away from the rail wheel; the iron arc-shaped backboard is provided with rotating power towards the direction of the rail wheel by the tension resetting unit, and the electromagnet is provided with rotating power back to the direction of the rail wheel.
2. The anti-slip safety device of a gantry crane for tunnel construction according to claim 1, wherein: the tension resetting unit comprises a tension back rod, a tension spring and a shaft hoop, wherein the tension back rod is rotationally hung on one side surface of the iron arc-shaped back plate, which is opposite to the rail wheel, the connection shaft of the tension back rod and the top of the iron arc-shaped back plate is parallel, and the projection range of the iron arc-shaped back plate extends axially from the two ends of the tension back rod; the axle hoops are rotationally sleeved on the axle shafts at the two ends of the axial direction of the track axle; the two tension springs are symmetrically arranged at the two axial ends of the rail wheel, one end of each tension spring is elastically hung on the tension back rod, and the other end of each tension spring is elastically hung on the shaft hoop.
3. The anti-slip safety device of a gantry crane for tunnel construction according to claim 2, wherein: the shaft hoops are half hoops of double-petal buckling, and one half hoop is fixedly welded with a connecting lug of a movable hanging tension spring.
4. The anti-slip safety device of a gantry crane for tunnel construction according to claim 1, wherein: the upper thickness of the wooden inner lining block is larger than the lower thickness of the wooden inner lining block, the lower part of the wooden inner lining block is bent towards the contact surface of the rail wheel and the rail, and one side surface of the wooden inner lining block is made into a convex arc surface which is adapted to the concave arc of the periphery of the rail wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321550009.0U CN220116072U (en) | 2023-06-18 | 2023-06-18 | Anti-slip safety device of gantry crane for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321550009.0U CN220116072U (en) | 2023-06-18 | 2023-06-18 | Anti-slip safety device of gantry crane for tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220116072U true CN220116072U (en) | 2023-12-01 |
Family
ID=88915444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321550009.0U Active CN220116072U (en) | 2023-06-18 | 2023-06-18 | Anti-slip safety device of gantry crane for tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220116072U (en) |
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2023
- 2023-06-18 CN CN202321550009.0U patent/CN220116072U/en active Active
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