CN219771552U - Automatic suspension clamping rail grabbing device - Google Patents
Automatic suspension clamping rail grabbing device Download PDFInfo
- Publication number
- CN219771552U CN219771552U CN202322330519.3U CN202322330519U CN219771552U CN 219771552 U CN219771552 U CN 219771552U CN 202322330519 U CN202322330519 U CN 202322330519U CN 219771552 U CN219771552 U CN 219771552U
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- rail
- clamp
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- plate
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- 239000000725 suspension Substances 0.000 title claims abstract description 8
- 238000005086 pumping Methods 0.000 claims abstract description 5
- 230000009471 action Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000005339 levitation Methods 0.000 claims 9
- 230000007246 mechanism Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model discloses an automatic suspension clamping rail grabbing device which comprises a frame, a clamping mechanism, a braking spring and a hydraulic power unit, wherein the hydraulic power unit comprises a tension cylinder and a hydraulic station for pumping oil for the tension cylinder; the part of the frame connected with the tension oil cylinder is marked as an oil cylinder mounting seat, and a brake spring is arranged between the lifting plate and the oil cylinder mounting seat; the clamping part of the clamp arm is detachably and fixedly connected with a rail grabbing clamp block, and the rail grabbing clamp block comprises an anti-slip tooth surface and a rail hooking table; in the closing state, the brake spring pushes the lifting plate and enables the anti-slip tooth surface to clamp the side surface of the track top plate, and the hook rail platform is attached to the lower surface of the track top plate. The utility model can solve the problems that the existing hydraulic rail clamp is small in clamp withdrawal distance and not suitable for being applied to the situations of poor rail conditions or crane inclination.
Description
Technical Field
The utility model relates to the technical field of crane stopping, in particular to an automatic suspension clamping rail grabbing device.
Background
The rail clamping device of the crane is a crane safety device for preventing the outdoor crane from sliding along the rail under the action of strong wind, and usually clamps connected with the bottom structure of the crane are used for clamping two side surfaces of the rail head to prevent sliding.
The hydraulic rail clamping device is a common rail clamping device, such as a spring hydraulic rail clamping device disclosed in Chinese patent publication No. CN204747897U, and the clamping force of the rail clamping device to a rail is generally realized by virtue of a spring. However, because the clamp withdrawal distance of the hydraulic rail clamp is small, the distance between the clamp and the rail is still relatively short when the clamp is opened, and under the operation environment of the crane, the requirements on the rail condition and the crane condition are relatively strict, for example, the rail is required to be in line, and the dislocation (the dislocation phenomenon exists between the rail sections when the dislocation is spliced or after the use time is too long) cannot exist; the crane must not be tilted or the like. If the rail is not straight and has a dislocation, in the traveling state of the crane, the clamps of the rail clamping device are opened at two sides of the rail, the rail hanging phenomenon can occur to the clamps of the existing hydraulic rail clamping device, and the damage to the clamps or the derailment result of the crane are caused; if the crane leans away, the existing hydraulic rail clamping device clamps easily rub the rail, when the clamps are worn seriously, the rail clamping device cannot realize rail clamping action, and the rail clamping device cannot be found easily because the clamps are arranged at the lower part of the rail clamping device, and finally accidents or unnecessary losses are caused in windproof operation because of failure of the rail clamping device.
Disclosure of Invention
The utility model aims to provide an automatic suspension rail clamping and grabbing device, which is used for solving the problems that the existing hydraulic rail clamping device is small in clamp withdrawal distance and not suitable for being applied to a poor rail condition or a crane tilting scene.
In order to solve the problems, the utility model adopts the following technical scheme:
the automatic suspension rail clamping and grabbing device comprises a frame, a clamping mechanism, a braking spring and a hydraulic power unit, wherein the clamping mechanism comprises a clamping support and a pair of clamp arms hinged to the clamping support, each clamp arm is hinged to a lifting plate through a double-hole lever, the hydraulic power unit comprises a tension cylinder and a hydraulic station for pumping oil of the tension cylinder, the hydraulic station is fixed on the frame, the tension cylinder is vertically arranged, the top end of the tension cylinder is hinged to the frame, the bottom end of the tension cylinder is hinged to the lifting plate, and in a brake-off state, the lifting plate moves upwards under the action of the tension cylinder and drives the clamp arms to suspend on a rail;
the part of the frame connected with the tension oil cylinder is marked as an oil cylinder mounting seat, and the brake spring is arranged between the lifting plate and the oil cylinder mounting seat; the clamping part of the clamp arm is detachably and fixedly connected with a rail grabbing clamp block, and the rail grabbing clamp block comprises an anti-slip tooth surface and a rail hooking table; in the closing state, the brake spring pushes the lifting plate and enables the anti-slip tooth surface to clamp the side surface of the track top plate, and the hook rail platform is attached to the lower surface of the track top plate.
Optionally, the manual release lever of vertical setting is detachably fixedly connected with on the lift plate, and manual release lever and brake spring coaxial, manual release lever upwards wears out the hydro-cylinder mount pad and with hydro-cylinder mount pad sliding connection.
Optionally, threads are arranged at two ends of the manual release rod, and a first sheath is sleeved outside the manual release rod.
Optionally, a switch-off proximity switch for monitoring whether the switch-off is in place is installed on the frame.
Optionally, one side of the clamping support is fixed with a walking positioning wheel cover, two side plates of the walking positioning wheel cover are provided with an upper chute and a lower chute, a walking positioning wheel matched with the track is arranged in the walking positioning wheel cover, and two ends of the walking positioning wheel are fixed with an upper sliding shaft and a lower sliding shaft which are in sliding connection with the upper chute and the lower chute.
Optionally, an intermediate friction clamp for pushing the upper surface of the rail is detachably fixed to the lower portion of the clamping support.
Optionally, the frame includes the support fixed plate, fixture is located one side of support fixed plate, the hydro-cylinder mount pad is fixed in the upper portion of support fixed plate, and the opposite side of support fixed plate is connected with the flange fixed plate through deep floor.
Optionally, the frame further includes a side shield and an anti-collision bracket, the side shield is located outside the clamping mechanism, one end of the side shield is connected with the support fixing plate, and the anti-collision bracket is fixed at the other end of the side shield.
Optionally, an upper guide groove and a lower guide groove which are vertically arranged are further formed in the support fixing plate, an upper positioning shaft is installed at the lifting plate, a lower positioning shaft is installed on the clamping support, the upper positioning shaft is in sliding connection with the upper guide groove, and the lower positioning shaft is in sliding connection with the lower guide groove.
Optionally, a lifting hole is further formed in the support fixing plate.
By adopting the technical scheme, the utility model has the following advantages:
according to the utility model, the clamp arm is lifted by the tension oil cylinder, so that the effect that the clamp arm is suspended above the track in the opening state is realized, the clamp arm and the track are not mutually influenced in the crane walking state, the defects of small clamp withdrawal distance and high requirement on the track condition of the existing hydraulic rail clamp are effectively avoided, the application range is effectively widened, and the hydraulic rail clamp can be applied to road and bridge field tracks which are more in need of safety protection but have poor track condition; meanwhile, the clamp arm adopts the rail grabbing clamp blocks, and can hook the rail while clamping the rail, so that the anti-running effect is further improved.
In addition, compared with an electric rail clamping device, the hydraulic rail clamping device has the advantages that when the hydraulic power unit provides power, the clamp arm can be automatically opened and lifted, and when the power is stopped, the clamp arm can automatically fall onto a rail to clamp by means of the brake spring, so that a motor is not required to provide clamping force for the clamp arm, and a manual switch control button is not required.
In summary, the utility model is applicable to a wide range of environments, and is particularly suitable for being applied to scenes with poor track conditions and inclined crane walking.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a right side view of FIG. 2;
FIG. 5 is a schematic view of a partial structure of the present utility model;
fig. 6 is a schematic perspective view of a rail grasping clamp block according to the utility model.
Reference numerals: 1. the brake device comprises a brake spring, 2, a hydraulic station, 3, a tension cylinder, 4, a clamping support, 5, a clamp arm, 6, a double-hole lever, 7, a lifting plate, 8, a rail grasping clamp block, 81, an anti-slip tooth surface, 82, a rail hooking table, 9, an intermediate friction clamp, 10, a manual release rod, 11, a first sheath, 12, a brake opening proximity switch, 13, a walking positioning wheel cover, 14, an upper chute, a lower chute, 15, a walking positioning wheel, 16 and an upper sliding shaft and a lower sliding shaft;
17. the hydraulic cylinder comprises an oil cylinder mounting seat, 18, a bracket fixing plate, 19, reinforcing rib plates, 20, a flange fixing plate, 21, side shields, 22, an anti-collision bracket, 23, an upper guide groove, 24, a lower guide groove, 25, an upper positioning shaft, 26, a lower positioning shaft, 27, hoisting holes, 28 and a track.
Detailed Description
In order to make the technical objects, technical solutions and advantageous effects of the present utility model more clear, the technical solutions of the present utility model are further described below with reference to fig. 1 to 6 and specific embodiments.
Examples:
the utility model provides an automatic suspension clamp rail grab rail ware, which comprises a frame, fixture, brake spring 1 and hydraulic power unit, fixture includes clamping support 4 and a pair of clamp arms 5 articulated on clamping support 4, each clamp arm 5 articulates through a diplopore lever 6 respectively has lifting plate 7, hydraulic power unit includes pulling force hydro-cylinder 3 and is the hydraulic pressure station 2 of pulling force hydro-cylinder 3 pump oil, hydraulic pressure station 2 and pulling force hydro-cylinder 3 are current conventional art, concrete structure is not described again, hydraulic pressure station 2 is fixed on the frame, pulling force hydro-cylinder 3 sets up vertically, and the top of pulling force hydro-cylinder 3 articulates with the frame, the bottom of pulling force hydro-cylinder 3 articulates with lifting plate 7, under the open brake state, lifting plate 7 upwards moves and drives clamp arm 5 to suspend on track 28 under the effect of pulling force hydro-cylinder 3;
the part of the frame connected with the tension cylinder 3 is marked as a cylinder mounting seat 17, and the brake spring 1 is arranged between the lifting plate 7 and the cylinder mounting seat 17; the clamping part of the clamp arm 5 is detachably and fixedly connected with a rail grabbing clamp block 8, and the rail grabbing clamp block 8 comprises an anti-slip tooth surface 81 and a rail hooking table 82 for enhancing the grasping force and the anti-slip force of the rail 28; in the closing state, the brake spring 1 pushes the lifting plate 7, the anti-slip tooth surface 81 clamps the side surface of the top plate of the track 28, and the hook rail table 82 is attached to the lower surface of the top plate of the track 28.
Further, as one embodiment of the present utility model, the lifting plate 7 is detachably and fixedly connected with a manual release rod 10 arranged vertically, and the manual release rod 10 is coaxial with the brake spring 1, and the manual release rod 10 passes through the cylinder mounting seat 17 upwards and is slidably connected with the cylinder mounting seat 17.
The manual release lever 10 is arranged, and the release lever 10 can be directly lifted upwards by manpower under the condition of no power to drive the lifting plate 7 to ascend, so that the brake opening action is realized; the manual release lever 10 also provides guidance for lifting the lifting plate 7, and the opening action is more stable.
Further, as one embodiment of the present utility model, the two ends of the manual release lever 10 are provided with threads, which are convenient to install or detach, and the manual release lever 10 is sleeved with the first sheath 11, so as to prolong the service life of the manual release lever 10.
Further, as one embodiment of the present utility model, a switch-off proximity switch 12 for monitoring whether the switch-off is in place is mounted on the rack.
In the opening process, when the opening proximity switch 12 senses that the clamp arm 5 is lifted to a proper position, a signal is automatically sent to the hydraulic power unit, so that the hydraulic station 2 stops pumping oil and is switched to an automatic pressure maintaining state, and finally the clamp arm 5 always floats above the rail surface, and the opening is in place. The installation position of the opening proximity switch 12 can be specifically adjusted according to actual needs.
In this embodiment, specifically, the brake-off proximity switch 12 cooperates with the lifting plate 7, and determines whether the whole clamping mechanism is in place by the position of the lifting plate 7.
Further, as one embodiment of the present utility model, a walking positioning wheel cover 13 is fixed on one side of the clamping support 4, two side plates of the walking positioning wheel cover 13 are provided with an up-down chute 14, a walking positioning wheel 15 matched with a track 28 is installed in the walking positioning wheel cover 13, two ends of the walking positioning wheel 15 are fixed with an up-down sliding shaft 16, and the up-down sliding shaft 16 is in sliding connection with the up-down chute 14.
The wheel surface width of the walking positioning wheel 15 is matched with the width of the top plate of the track 28, and the walking positioning wheel is always positioned on the track 28 by means of dead weight, in the process that the clamp arm 5 is lifted upwards, the walking positioning wheel cover 13 moves upwards along with the clamping support 4, the up-and-down sliding shaft 16 of the walking positioning wheel 15 is kept motionless in the up-and-down sliding groove 14, and when the crane cart walks, the walking positioning wheel 15 can play a role in correcting deviation, so that the utility model is prevented from tilting.
Further, limiting tables are fixed at two ends of the walking positioning wheel 15, and the top plate of the track 28 is located between the limiting tables, so that the walking positioning wheel 15 and the track 28 are prevented from being skewed.
Further, as one embodiment of the present utility model, the middle friction pliers 9 for pushing the upper surface of the rail 28 are detachably fixed at the lower part of the clamping support 4, so as to improve the rail clamping and stopping effect.
Further, as one embodiment of the utility model, the frame comprises a bracket fixing plate 18, the clamping mechanism is positioned on one side of the bracket fixing plate 18, the oil cylinder mounting seat 17 is fixed on the upper part of the bracket fixing plate 18, the other side of the bracket fixing plate 18 is connected with a flange fixing plate 20 through a reinforcing rib plate 19, the flange fixing plate 20 is used for being connected with a crane cart or other travelling equipment, and the reinforcing rib plate 19 can improve the strength of the frame.
Further, as one embodiment of the present utility model, the frame further includes a side shield 21 and an anti-collision bracket 22, the side shield 21 is located outside the clamping mechanism, one end of the side shield 21 is connected with the bracket fixing plate 18, the anti-collision bracket 22 is fixed at the other end of the side shield 21, and the hydraulic station 2 is mounted on the anti-collision bracket 22. The side shields 21 may provide protection for the clamping mechanism and the anti-collision brackets 22 may protect the clamping mechanism from direct impact damage.
Further, as one embodiment of the present utility model, the support fixing plate 18 is further provided with an upper guide groove 23 and a lower guide groove 24 which are vertically arranged, the lifting plate 7 is provided with an upper positioning shaft 25, the clamping support 4 is provided with a lower positioning shaft 26, the upper positioning shaft 25 is slidably connected with the upper guide groove 23, and the lower positioning shaft 26 is slidably connected with the lower guide groove 24. In the opening or closing process, the up-and-down movement of the lifting plate 7 can be further corrected through the upper guide groove 23 and the lower guide groove 24, so that the center line of the clamping arm is consistent with the center line of the rail 28, and the rail clamping stopping effect is ensured.
Further, the upper positioning shaft 25 and the lower positioning shaft 26 are respectively sleeved with a second sheath, and the second sheaths are positioned between the bracket fixing plate 18 and the clamping mechanism, so that the inclination of the positioning shafts can be avoided, and meanwhile, the integral strength of the frame can be improved. The second sheath is not shown in the figures as it is obscured.
Further, as one embodiment of the present utility model, the bracket fixing plate 18 is further provided with a lifting hole 27, so as to facilitate transportation.
The working principle of the utility model is as follows: in the closing state, the brake spring 1 pushes down the clamp arm 5 and clamps the rail 28, so that the rail clamping and stopping effects are realized; when the brake is opened, the hydraulic station 2 pumps oil for the tension oil cylinder 3, the tension oil cylinder 3 drives the lifting plate 7 to ascend, compresses the brake spring 1, opens the clamp arm 5, lifts the clamp arm 5 upwards to separate from the track 28, stops pumping oil after the clamp arm 5 is lifted to a proper position, and switches to an automatic pressure maintaining state, so that the clamp arm 5 always floats above the rail surface, and the problems of rail hanging, clamp abrasion and the like are avoided.
The above embodiments are not limited in any way by the shape, materials, structure, etc. of the present utility model, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model are all included in the protection scope of the technical solution of the present utility model.
Claims (10)
1. The utility model provides an automatic suspension clamp rail grabs rail ware, includes frame, fixture, brake spring and hydraulic power unit, and fixture includes clamping support and a pair of clamp arm of articulated on clamping support, and every clamp arm articulates through a diplopore lever respectively has lift plate, its characterized in that: the hydraulic power unit comprises a tension cylinder and a hydraulic station for pumping oil for the tension cylinder, the hydraulic station is fixed on the frame, the tension cylinder is vertically arranged, the top end of the tension cylinder is hinged with the frame, the bottom end of the tension cylinder is hinged with the lifting plate, and in the opening state, the lifting plate moves upwards under the action of the tension cylinder and drives the clamp arm to suspend on the track;
the part of the frame connected with the tension oil cylinder is marked as an oil cylinder mounting seat, and the brake spring is arranged between the lifting plate and the oil cylinder mounting seat; the clamping part of the clamp arm is detachably and fixedly connected with a rail grabbing clamp block, and the rail grabbing clamp block comprises an anti-slip tooth surface and a rail hooking table; in the closing state, the brake spring pushes the lifting plate and enables the anti-slip tooth surface to clamp the side surface of the track top plate, and the hook rail platform is attached to the lower surface of the track top plate.
2. An automatic levitation clamping rail grabber as defined in claim 1, wherein: the lifting plate is detachably and fixedly connected with a manual release rod which is vertically arranged, the manual release rod and the braking spring are coaxial, and the manual release rod upwards penetrates out of the oil cylinder mounting seat and is in sliding connection with the oil cylinder mounting seat.
3. An automatic levitation clamping rail grabber as defined in claim 2, wherein: threads are arranged at two ends of the manual release rod, and a first sheath is sleeved outside the manual release rod.
4. An automatic levitation clamping rail grabber as defined in claim 1, wherein: a brake opening proximity switch for monitoring whether the brake opening is in place or not is installed on the frame.
5. An automatic levitation clamping rail grabber as defined in claim 1, wherein: one side of the clamping support is fixed with a walking positioning wheel cover, two side plates of the walking positioning wheel cover are provided with an upper sliding groove and a lower sliding groove, a walking positioning wheel matched with the track is arranged in the walking positioning wheel cover, and two ends of the walking positioning wheel are fixed with an upper sliding shaft and a lower sliding shaft which are in sliding connection with the upper sliding groove and the lower sliding groove.
6. An automatic levitation clamping rail grabber as defined in claim 1, wherein: the lower part of the clamping support is detachably fixed with a middle friction clamp for pushing the upper surface of the track.
7. An automatic levitation clamping rail grabber as defined in any one of claims 1 to 6, wherein: the frame includes the support fixed plate, fixture is located one side of support fixed plate, the hydro-cylinder mount pad is fixed in the upper portion of support fixed plate, and the opposite side of support fixed plate is connected with the flange fixed plate through deep floor.
8. The automatic levitation clamping rail grabber as set forth in claim 7, wherein: the frame still includes side guard shield and crashproof bracket, and side guard shield is located the fixture outside, and the one end and the support fixed plate of side guard shield are connected, and crashproof bracket is fixed at the other end of side guard shield.
9. The automatic levitation clamping rail grabber as set forth in claim 7, wherein: the support fixed plate is further provided with an upper guide groove and a lower guide groove which are vertically arranged, the lifting plate is provided with an upper positioning shaft, the clamping support is provided with a lower positioning shaft, the upper positioning shaft is in sliding connection with the upper guide groove, and the lower positioning shaft is in sliding connection with the lower guide groove.
10. The automatic levitation clamping rail grabber as set forth in claim 7, wherein: and the bracket fixing plate is also provided with a lifting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322330519.3U CN219771552U (en) | 2023-08-29 | 2023-08-29 | Automatic suspension clamping rail grabbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322330519.3U CN219771552U (en) | 2023-08-29 | 2023-08-29 | Automatic suspension clamping rail grabbing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219771552U true CN219771552U (en) | 2023-09-29 |
Family
ID=88107827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322330519.3U Active CN219771552U (en) | 2023-08-29 | 2023-08-29 | Automatic suspension clamping rail grabbing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219771552U (en) |
-
2023
- 2023-08-29 CN CN202322330519.3U patent/CN219771552U/en active Active
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