CN105152031A - Carrying frame and use method thereof - Google Patents
Carrying frame and use method thereof Download PDFInfo
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- CN105152031A CN105152031A CN201510434903.5A CN201510434903A CN105152031A CN 105152031 A CN105152031 A CN 105152031A CN 201510434903 A CN201510434903 A CN 201510434903A CN 105152031 A CN105152031 A CN 105152031A
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- guide rail
- jack
- grapple
- bracket
- height adjuster
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000000087 stabilizing effect Effects 0.000 claims description 22
- 239000003381 stabilizer Substances 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 230000009471 action Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003137 locomotive effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The invention provides a carrying frame and use method thereof. The carrying frame comprises a supporting frame, a guide rail, a crane and a grasping hook, wherein the supporting frame plays a role in supporting; the guide rail is assembled on the supporting frame and provided with the crane; the grasping hook is used for grasping an object to be carried and connected with the crane; the crane enables the grasping hook to ascend or descend; the crane can also slide on the guide rail to drive the grasping hook to move horizontally. The use method includes the steps that the object to be carried is grasped through the grasping hook; the grasping hook ascends through the crane to life up the object to be carried; the crane is made to slide on the guide rail to drive the grasping hook to move horizontally until the grasped object to be carried reaches the positive above the destination; the grasping hook descends through the crane so that the carried object is put down. By means of the technical scheme, the efficiency of the carrying work can be improved.
Description
Technical Field
The invention relates to the field of engineering construction, in particular to a carrying frame and a using method thereof.
Background
In various industries, material transportation is involved, common transportation equipment comprises a crane, a tower crane, a forklift and the like, but the equipment is large in size, and if the material is transported in a small space, such as a subway tunnel for transporting rails and a narrow road for laying pipelines, large-scale equipment cannot enter due to narrow space, so that construction is not changed. For example, in order to alleviate urban traffic congestion, urban rail transit is actively developed in all large and medium-sized cities, wherein most of subways are located underground, so that the urban rail transit can save land and reduce pollution, has the advantages of large passenger capacity, no interference with other traffic transportation systems and the like, and becomes the first choice for developing the urban rail transit.
Because the subway is buried deeply underground, large-scale hoisting machinery can not get into the use, so the laying difficulty of subway track is very big, especially when changing old rail, can not destroy the peripheral facility of rail, and strict to the construction progress requirement moreover, can not influence the normal operation of subway.
Currently, for the replacement of subway rails, the main method includes: and conveying the new rail to the road section to be replaced by the subway locomotive, then removing the old rail from the installation position of the new rail in a manual conveying mode, conveying the new rail to the installation position where the old rail is removed for installation, and finally conveying the replaced old rail by the subway locomotive.
Aiming at the existing replacement method of the subway rail, because the rail is heavy, a large number of workers are required to simultaneously operate to move the rail by a manual carrying method, and the working efficiency is low.
Disclosure of Invention
The invention provides a carrying frame and a using method thereof, which can improve the efficiency of carrying work.
An embodiment of the present invention provides a carrying rack, including: the device comprises a bracket, a guide rail, a jack and a grapple;
the bracket plays a supporting role;
the guide rail is assembled on the bracket;
the jack is arranged on the guide rail;
the grapple is used for grabbing the object to be transported;
the grapple is connected to the jack, and the jack can promote the grapple to ascend or descend; the jack can also slide on the guide rail to drive the grapple to move horizontally.
Preferably, the jack comprises: the lifting jack comprises a lifting jack body, a crank, a chain and a lifting hook;
the jack body is positioned above the guide rail, and the chain and the crank are respectively assembled on the jack body;
the lifting hook is positioned below the guide rail, one end of the lifting hook is connected with the jack body through the chain, and the other end of the lifting hook is detachably connected with the grapple;
the crank can rotate in the forward direction or the reverse direction to drive the chain and the lifting hook to ascend or descend, and further drive the grapple to ascend or descend.
Preferably, the guide rail includes: the guide rail comprises a first guide rail and a second guide rail which are parallel to each other, and a gap is reserved between the first guide rail and the second guide rail.
Preferably, the truck further comprises: a braking device;
the braking device includes: the brake device comprises a brake pull rod, a brake handle, a brake friction plate and a locking mechanism;
the locking mechanism is fixed on the jack, the brake handle is connected with the locking mechanism, one end of the brake pull rod is connected with the brake handle, the other end of the brake pull rod passes through a gap between the first guide rail and the second guide rail and is connected with the brake friction plate, the brake handle moves to drive the brake pull rod to move upwards so as to drive the brake friction plate to move upwards, the lower part of the first guide rail is contacted with the lower part of the second guide rail respectively, and the locking mechanism locks the position of the brake friction plate so that the jack is fixed on the first guide rail and the second guide rail.
Preferably, the truck further comprises: an anti-rollover device;
the anti-rollover device is of an I-shaped structure and penetrates through a gap between the first guide rail and the second guide rail, a cross beam at the upper end of the anti-rollover device is positioned at the upper sides of the first guide rail and the second guide rail, and a cross beam at the lower end of the anti-rollover device is positioned at the lower sides of the first guide rail and the second guide rail; the upper end cross beam of the anti-rollover device is assembled on the jack, the jack inclines to drive the anti-rollover device to move laterally, and the lower end cross beam of the anti-rollover device is in contact with the first guide rail or the second guide rail to prevent the anti-rollover device from moving and further prevent the jack from inclining.
Preferably, the bracket comprises:
the guide rail comprises a first bracket and a second bracket, and two ends of the guide rail are respectively assembled on the first bracket and the second bracket.
Preferably, the bracket comprises: the guide rail device comprises a vertical support, a horizontal support and a reinforcing support, wherein the upper end of the vertical support is connected with one end of the horizontal support, the two ends of the reinforcing support are respectively connected with the vertical support and the horizontal support to form a triangular reinforcing structure, and the middle part of the guide rail is assembled at the other end of the horizontal support.
Preferably, the truck further comprises: the height adjusting device comprises a first height adjuster, a second height adjuster, a first stabilizer and a second stabilizer;
the first height adjuster and the second height adjuster are respectively assembled at two ends of the guide rail, the first height adjuster is connected with the first bracket, the second height adjuster is connected with the second bracket, and the connection positions of the first height adjuster and the second height adjuster can be adjusted so as to adjust the heights of the guide rail on the first bracket and the second bracket;
the first stabilizer includes: the first stabilizing plate is of a right-angled triangle structure;
the first fixing sleeve is sleeved on the first support and fixed with the first support, the first inserting plate is inserted into a gap between the first fixing sleeve and the first support, one right-angle edge of the first stabilizing plate is in contact with the upper end of the first height adjuster, and the other right-angle edge of the first stabilizing plate is fixed with the first fixing sleeve so as to prevent the first support and the first height adjuster from moving;
the second stabilizer includes: the second stabilizing plate is of a right-angled triangle structure;
the second fixing sleeve is sleeved on the second support and fixed with the second support, the second inserting plate is inserted into a gap between the second fixing sleeve and the second support, one right-angle edge of the second stabilizing plate is contacted with the upper end of the second height adjuster, and the other right-angle edge of the second stabilizing plate is fixed with the second fixing sleeve to prevent the second support from moving between the second height adjuster.
Preferably, the guide rail is an aluminum alloy guide rail.
Preferably, the grapple isThe structure of the mould is as follows,upper part of the structureThe shape structure is a force applying arm,lower part of the mould structureThe profile structure is a grabbing arm, the force applying arm is connected with the jack and is connected with the jackThe jack makes the force applying arm rise, and the grabbing end opening angle of the grabbing arm is reduced to grab the object to be conveyed.
The embodiment of the invention also provides a using method of any one of the conveying frames, which comprises the following steps:
grabbing the object to be conveyed through the grab hook;
lifting the grapple by the jack to hoist the object to be carried;
sliding the jack on the guide rail to drive the grapple to horizontally move until the grabbed object to be transported reaches the position above a target place;
the grapple is caused to descend by the jack to lower the object to be carried.
Preferably, when the carrying frame comprises a first height adjuster and a second height adjuster, and the support in the carrying frame comprises a first support and a second support, wherein the first height adjuster and the second height adjuster are respectively assembled at two ends of the guide rail, the first height adjuster is connected with the first support, the second height adjuster is connected with the second support, and the connection positions are adjustable;
before the grabbing the object to be carried by the grapple, the method further comprises the following steps:
adjusting the connecting position of the first height adjuster and the first bracket, and adjusting the connecting position of the second height adjuster and the second bracket to adjust the height of the guide rail on the bracket to a specified position.
Preferably, when the carrying frame comprises a braking device, and the guide rail in the carrying frame comprises a first guide rail and a second guide rail which are parallel to each other, wherein the braking device is fixed on the jack, one end of a braking pull rod on the braking device is connected with a braking handle, and the other end of the braking pull rod is connected with a braking friction plate through a gap between the first guide rail and the second guide rail;
after the sliding the jack on the guide rail to move the grapple horizontally until the grasped object reaches above the target place, the method further includes, before the lowering the grapple by the jack to lower the object to be conveyed:
and moving the brake handle to drive the brake pull rod to move upwards, further driving the brake friction plate to move upwards to contact with the lower parts of the first guide rail and the second guide rail, locking the position of the brake friction plate, and fixing the jack on the guide rail.
The embodiment of the invention provides a carrying frame and a using method thereof, the whole carrying frame is supported by a bracket, a guide rail is assembled on the bracket, a jack is arranged on the guide rail, the jack can slide on the guide rail, a grapple is connected with the jack, the grapple is used for grabbing an object to be carried, the jack can make the grapple ascend or descend and drive the grapple to move horizontally, when the carrying frame is used, the object to be carried is grabbed by the grapple, the jack makes the grapple ascend and drive the object to be carried to ascend, the jack can slide on the guide rail to drive the object to be carried to move horizontally to a position above a target place, the jack makes the grapple descend, and then the object to be carried is carried to the target place, the carrying frame can reduce the number of carrying workers relative to a method of carrying by manpower and only needs to operate the carrying frame, the carrying task can be completed, and therefore the efficiency of carrying work is improved.
Drawings
Fig. 1 is a schematic structural diagram of a carrying rack according to an embodiment of the present invention;
FIG. 2 is a schematic view of the construction of a jack in a truck according to one embodiment of the present invention;
fig. 3 is a schematic structural diagram of a braking device in a truck according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a rollover prevention device in a truck according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a height adjuster in a truck according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a grapple in a carrier according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a stabilizer in a truck according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a bracket in a carrier according to another embodiment of the present invention;
fig. 9 is a flow chart of a method for using a carrier according to an embodiment of the present invention;
fig. 10 is a flowchart of a method for using a carrier according to another embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
One embodiment of the present invention provides a carrier, including: the device comprises a bracket, a guide rail, a jack and a grapple;
the bracket plays a supporting role;
the guide rail is assembled on the bracket;
the jack is arranged on the guide rail;
the grapple is used for grabbing the object to be transported;
the grapple is connected to the jack, and the jack can promote the grapple to ascend or descend; the jack can also slide on the guide rail to drive the grapple to move horizontally.
The embodiment of the invention provides a carrying frame, the whole carrying frame is supported by a bracket, a guide rail is assembled on the bracket, a jack is arranged on the guide rail, the jack can slide on the guide rail, a grapple is connected with the jack, the grapple is used for grabbing an object to be carried, the jack can enable the grapple to ascend or descend and drive the grapple to move horizontally, when the carrying frame is used, the object to be carried is grabbed by the grapple, the jack enables the grapple to ascend and drives the object to be carried to ascend, the jack enables the jack to slide on the guide rail, the object to be carried is driven to move horizontally to a position above a target place, the grapple enables the grapple to descend, and then the object to be carried is carried to the target place, the carrying frame can carry less number of workers compared with a method of manual carrying aiming at the object to be carried with larger weight, and the carrying task can be completed only by operating the carrying frame, thereby improving the efficiency of the carrying work.
In one embodiment of the invention, the jack in the carrying frame comprises a jack body, a crank, a chain and a lifting hook, wherein the jack body is positioned above the guide rail and is connected with the lifting hook positioned below the guide rail through the chain, the lifting hook is detachably connected with the grapple, the crank is arranged on the jack, and the chain and the lifting hook can be driven to ascend or descend by rotating the crank forwards or reversely so as to drive the grapple to ascend or descend and lift or lower the object to be carried; in addition, the lifting hook and the grapple are detachably connected, so that the grapple can be taken down when the carrying frame is moved, and the carrying frame can be moved conveniently.
In one embodiment of the invention, the guide rails in the carrying frame comprise two guide rails which are parallel to each other, a certain gap is reserved between the two guide rails, the jack body is positioned above the two guide rails, and the chain passes through the gap between the two guide rails and is connected with the lifting hook positioned below the two guide rails, so that when the carried object is lifted, the stress of the whole carrying frame is more balanced, and the carrying frame can be prevented from being laterally turned due to unilateral stress when the carried object is lifted.
In an embodiment of the invention, the carrying frame further comprises a braking device, the braking device comprises a brake pull rod, a brake handle, brake friction plates and a locking mechanism, the locking structure is fixed on the crane, the brake handle is connected with the locking structure, the brake pull rod penetrates through a gap between the two guide rails, one end of the brake pull rod is connected with the brake friction plates below the guide rails, the other end of the brake pull rod is connected with the brake handle, the brake handle moves to drive the brake pull rod to ascend, so that the brake friction plates at the lower end of the brake pull rod are respectively contacted with the lower parts of the two guide rails, and the locking mechanism locks the positions of the brake friction plates, so that the crane is fixed on the two guide rails, thus on one hand, the crane can be prevented from horizontally moving under the condition of non-manual operation, and on the.
In one embodiment of the invention, the carrying frame further comprises an anti-rollover device, the anti-rollover device is in an I-shaped structure and penetrates through a gap between the two guide rails, two cross beams of the I-shaped structure are respectively positioned at the upper side and the lower side of the two guide rails, the cross beam positioned above the guide rails is fixed on the jack, when the jack lifts a carried object and inclines due to unbalanced stress, the cross beam positioned below the guide rails in the anti-rollover device is contacted with the guide rails to prevent the anti-rollover device from further inclining, so that the jack is prevented from continuously inclining, the jack is prevented from rollover due to unbalanced stress in the process of lifting the carried object, and the safety of carrying work is improved.
In one embodiment of the invention, the bracket of the carrying rack comprises a first bracket and a second bracket, two ends of the guide rail are respectively assembled on the first bracket and the second bracket, and the first bracket and the second bracket jointly support the whole carrying rack, so that the stability of the carrying rack is improved.
In one embodiment of the invention, the carrying frame comprises a bracket, the bracket is composed of a vertical bracket, a horizontal bracket and a reinforcing bracket, wherein the upper end of the vertical bracket is connected with one end of the horizontal bracket, the two ends of the reinforcing bracket are respectively connected with the vertical bracket and the horizontal bracket to form a triangular reinforcing structure, and the middle part of the guide rail is assembled at the other end of the horizontal bracket, so that the whole carrying frame is supported by one bracket, the space occupied by the carrying frame can be saved, and the carrying frame has stronger applicability to carrying work with narrow space.
In an embodiment of the present invention, the carrying frame further includes two height adjusters, the two height adjusters are respectively mounted at two ends of the guide rail, the two height adjusters are respectively connected to the two supports, each height adjuster corresponds to one support, and the connection positions of the two height adjusters and the respective supports can be respectively adjusted, so that the height of the guide rail is adjusted to a proper height, which is convenient for carrying.
In an embodiment of the invention, the transportation frame further comprises two stabilizers, each stabilizer comprises a fixed sleeve, an inserting plate and a stabilizing plate, the two fixed sleeves are respectively sleeved on the two supports and fixed with the corresponding supports, the inserting plate is inserted into a gap between the fixed sleeve and each support to reduce the gap between the fixed sleeve and the corresponding support, the stabilizing plate is of a right-angled triangle structure, one right-angled edge is fixed on the fixed sleeve, the other right-angled edge is in contact with the upper end of the corresponding height adjuster, and the movement between the guide rail and each support is prevented by reducing the gap between the stabilizer and each support and the triangular stabilizing structure, so that the guide rail support is prevented from shaking, and the stability of the whole transportation frame is improved.
In one embodiment of the invention, the guide rail in the carrying frame is made of aluminum alloy, and the specific strength of the aluminum alloy is higher, so that the lifting capacity of the carrying frame is ensured, the weight of the whole carrying frame is reduced, and the carrying frame is convenient to move.
In one embodiment of the invention, the grapple of the truck isThe structure of the mould is as follows,upper part of the structureThe profile structure is a force applying arm and the lower partThe type structure is for snatching the arm, the arm of force of application links to each other through the round pin axle with snatching the arm, the arm of force of application links to each other with the lifting hook, it rises to apply the arm of force under the jack pulling force effect, it reduces to apply the ascending field angle that drives two snatchs ends that snatch the arm of force, thereby snatch the object to be transported, after the object to be transported is transferred to the target site, the arm of force of application continues to descend, will make two that snatch the arm open angle increase of end, thereby relieve according to snatching to the object to be transported, through such grapple, can snatch the object to be transported automatically, and relieve snatching to the object to be transported, alleviate the work load of transport, thereby improve the efficiency of transport.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, an embodiment of the present invention provides a carrier, including: two brackets 101, two guide rails 102, two height adjusters 103, a jack 104, a grapple 105, a brake device 106, an anti-rollover device 107, and two stabilizers 108;
two ends of two guide rails 102 are respectively fixed on two height adjusters 103, a certain gap is left between the two guide rails, the two height adjusters 103 are respectively assembled on two brackets 101, each bracket 101 corresponds to one height adjuster 103, a jack 104 is assembled on the two guide rails 102, the jack 104 is connected with a grapple 105 positioned below the guide rails 102, a braking device 106 and a rollover prevention device 107 are both fixed on the jack 104, and two stabilizers 108 are respectively assembled on the two brackets 101 and are contacted with the upper ends of the height adjusters 103 on the corresponding brackets 101.
In an embodiment of the present invention, as shown in fig. 2, the jack 104 includes: a jack body 201, a crank 202, a chain 203, and a hook 204;
the jack body 201 is positioned on the guide rail 102, the jack body 201 is connected with a hook 204 through a chain 203, the hook 204 is in a hook structure and is connected with the grapple 105, and the crank 202 is assembled on the jack body 201;
the forward or reverse rotation of the crank 202 can raise or lower the chain 203 and hook 204, and thus the grapple 105.
In an embodiment of the invention, the jacks 104 are fitted with rail wheels that support the jacks 104 on the rails 102 and enable sliding of the jacks 104 on the rails 102.
In the embodiment of the present invention, as shown in fig. 3, the braking device 106 includes: a brake handle 301, a brake pull rod 302, a brake friction plate 303 and a locking mechanism 304;
the locking mechanism 304 is connected with the jack 104, the middle part of the brake handle 301 is connected with the locking mechanism 304 through a pin shaft, one end of the brake handle 301 is connected with the upper end of the brake pull rod 302, the brake pull rod 302 penetrates through a gap between the two guide rails 102, and the lower end of the brake pull rod 302 is connected with the brake friction plate 303;
the brake handle 301 rotates around the pin shaft to drive the brake pull rod 302 to move upwards, the brake pull rod 302 moves upwards to drive the brake friction plate 303 to move upwards, the brake friction plate 303 moves upwards to a certain distance after contacting with the lower part of the guide rail 102, and the locking mechanism 304 turns over to lock the position of the brake friction plate 303, so that the whole brake device 106 is fixed on the guide rail 102, and the jack 104 is further fixed on the guide rail 102.
In the embodiment of the invention, as shown in fig. 4, the anti-rollover device 107 is an i-shaped structure, the anti-rollover device 107 penetrates through the gap between the two guide rails 102, a cross beam at one end is positioned above the guide rails 102 and fixed on the jack 104, and a cross beam at the other end is positioned below the guide rails 102, and the length of the cross beam is greater than the gap between the two guide rails 102;
when the jack 104 tilts, the anti-roll device 107 is driven to tilt, after the anti-roll device 107 tilts, the lower end beam or the longitudinal beam of the anti-roll device contacts the guide rail 102, the anti-roll device 107 is clamped and can not tilt continuously, and further the jack 104 is prevented from tilting continuously.
In the embodiment of the present invention, as shown in fig. 5, the height adjuster 103 is connected to the two guide rails 102 by bolts, the height adjuster 103 is a hollow structure and can be sleeved on the bracket 101, a series of positioning holes with different heights are formed on the bracket 101, and through holes are formed in the side surface of the height adjuster 103, which are matched with the positioning holes with different heights on the bracket 101 and are fixed by bolts to adjust the height of the guide rails 102 on the bracket 101.
In the embodiment of the present invention, as shown in fig. 6, the grapple 105 includes: a force application arm 601 and a grasping arm 602;
the force application arm 601 isThe shape of the grasping arm 602 isThe structure is characterized in that the force applying arm 601 is connected with the grabbing arm 602 through a pin shaft, and the force applying arm 601 is connected with a lifting hook in the jack 104;
the force applying arm 601 rises to drive the opening angle of the grabbing end of the grabbing arm 602 to be reduced, the object to be transported is grabbed tightly, then the object to be transported moves upwards under the driving of the lifting hook, the force applying arm 601 descends to place the object to be transported to a target place, the lifting hook continues to descend, the opening angle of the grabbing end of the grabbing arm 602 is increased under the action of the gravity of the force applying arm 601, and the grabbing of the object to be transported is released.
In the embodiment of the present invention, as shown in fig. 7, the stabilizer 108 includes: a stabilizing plate 701, a fixing sleeve 702 and an inserting plate 703;
the fixing sleeve 702 is sleeved on the support 101, the inserting plate 703 is inserted into a gap between the fixing sleeve 702 and the support 101, one right-angle side of the right-angle triangular stabilizing plate 701 is fixed with the fixing sleeve 702, the other right-angle side of the right-angle triangular stabilizing plate is contacted with the upper end of the height adjuster 103, and the fixing sleeve 702 and the inserting plate 703 are fixed on the support 101 through bolts;
when the carried object is carried, the fixing sleeve 702 is fixed with the support 101, when the support 101 and the guide rail 102 move relative to each other, the included angle between the height adjuster 103 and the support 101 is driven to change, because the fixing sleeve 702 is fixed on the support 101, and one right-angle side of the stabilizing plate 701 is in contact with the upper end of the height adjuster 103, the stabilizing plate 701 prevents the change of the included angle between the support 101 and the height adjuster 103, so that the whole carrying frame is prevented from shaking.
As shown in fig. 8, in one embodiment of the present invention, there is provided a carrier rack, including: a vertical bracket 801, a horizontal bracket 802 and a reinforcing bracket 803;
the upper end of the vertical support 801 is connected with one end of the horizontal support 802, the two ends of the reinforcing support 803 are respectively connected with the middle parts of the vertical support 801 and the horizontal support 802 to form a triangular reinforcing structure, and the other end of the horizontal support 802 is provided with a guide rail.
In an embodiment of the present invention, the carrying frame further includes a moving roller and a moving handle, wherein the moving roller is in a wheel-shaped structure, is fixed at the bottom of the support, and can adjust the height, the moving handle is assembled at the side of the support through a pin shaft, when the carrying frame needs to be moved, the support can be lifted up and moved through the moving handle, and the height of the moving roller can also be lowered, so that the carrying frame can move forward.
As shown in fig. 9, an embodiment of the present invention provides a method for using any one of the transportation racks, including:
step 901: grabbing the object to be conveyed through a grab hook;
step 902: the grab hook is lifted by the jack to lift the carried object;
step 903: the jack slides on the guide rail to drive the grapple to move horizontally until the grabbed object to be transported reaches the position above the target place;
step 904: the grapple is caused to descend by the jack to lower the object to be carried.
As shown in fig. 10, an embodiment of the present invention provides a method for using the transportation rack including two brackets, taking transporting a subway rail as an example, including:
step 1001: placing the carrying frame at the position of the rail to be carried;
in one embodiment of the invention, the carrying frame is lifted and placed on the laid rails by moving the handles, the moving rollers are matched with the rails, the carrying frame is pushed to move on the rails until reaching a specified place, the carrying frame is lifted from the laid rails and placed at the rails to be carried, and the direction of the crane on the carrying frame sliding on the guide rails is the same as the carrying direction of the rails to be carried.
Step 1002: the height of the guide rail on the carrying frame is adjusted to the designated height through the height adjuster.
In one embodiment of the invention, after the position of the carrying frame is set, the height of the guide rail on the jack is adjusted to a proper height by adjusting the connecting position of the height adjuster and the corresponding bracket.
Step 1003: the crank on the jack is rotated in the opposite direction to lower the grapple until the grasping end of the grapple contacts the grooves on both sides of the rail to be carried.
In one embodiment of the invention, the crank on the jack is rotated reversely to lower the chain and the hook, so that the grapple is lowered, and after the grapple contacts the rail to be carried, the grapple is further lowered, and the opening angle of the grabbing end of the grapple grabbing arm is increased until the grabbing end contacts the grooves on the two sides of the rail to be carried.
Step 1004: and positively rotating a crank on the jack to enable the grab hook to grab the rail to be carried and lift the rail to be carried.
In one embodiment of the invention, after the grabbing end of the grabbing hook contacts the grooves on the two sides of the rail to be carried, the crank on the crane is rotated forward, the opening angle of the grabbing end of the grabbing hook is reduced, the rail to be carried is grabbed, the crank is rotated forward continuously, and the rail to be carried is hoisted, wherein the crane comprises a locking structure, and the rail cannot fall down automatically after the rail to be carried is hoisted by rotating the crank forward.
Step 1005: the jacks are pushed and moved on the guide rails to move the rail to be carried from the original place to above the target place.
In one embodiment of the invention, when the jack is pushed, the rail wheels on the jack are rotated, so that the jack is moved on the guide rails in the direction of the target location until it reaches above the target location.
Step 1006: and pulling a brake handle on a brake device on the carrying frame to fix the jack on the guide rail.
In one embodiment of the invention, after the rail to be transported reaches the position above the target place, the brake handle of the brake device on the transporting frame is pulled, so that the brake friction plates are lifted to be in contact with the lower ends of the two guide rails, the positions of the brake friction plates are locked, and the jack is fixed on the guide rails.
Step 1007: and reversely rotating a crank on the jack, lowering the rail to be carried to a target place, and releasing the grabbing of the rail to be carried by the grabbing hook.
In one embodiment of the invention, after the jack is fixed on the guide rail, the crank on the jack is rotated reversely, the chain, the lifting hook and the grapple descend under the action of the gravity of the rail to be transported and the grapple, the rail to be transported is lowered to the target place, then the crank on the jack is rotated reversely, the opening angle of the grabbing end of the grabbing arm of the grapple is increased under the action of the gravity of the force application arm, and therefore the grabbing of the rail to be transported is released.
It should be noted that, when transporting the rail, the above steps may be performed sequentially at the two ends of the rail to be transported using one transporting rack provided in the embodiment of the present invention, and the two ends of the rail to be transported are transported to the target location, respectively, or the above steps may be performed simultaneously using two transporting racks provided in the embodiment of the present invention, where the two transporting racks are placed at the two ends of the rail to be transported, respectively, so as to transport the rail to be transported to the target location at one time.
It should be noted that the lifting hook on the jack is detachably connected with the grapple, and the grapple can be detached when the carrying frame is moved.
According to the above scheme, the carrying rack and the using method thereof provided by the embodiment of the invention have at least the following beneficial effects:
1. in the embodiment of the invention, the whole carrying frame is supported by the bracket, the guide rail is assembled on the bracket, the jack is arranged on the guide rail, the jack can slide on the guide rail, the grapple is connected with the jack and is used for grabbing an object to be carried, the jack can promote the grapple to ascend or descend and drive the grapple to move horizontally, when the carrying frame is used, the grabber grabs the object to be carried, the jack drives the grabber to rise to drive the object to be carried to rise, the jack slides on the guide rail to drive the object to be carried to horizontally move to the position above a target place, the jack drives the grabber to fall, further, the object to be transported is transported to a destination, and the object to be transported having a large weight is transported by the transporting frame in a manner comparable to a manual transporting method, the number of the carrying workers can be reduced, and the carrying task can be completed only by operating the carrying frame, so that the efficiency of carrying work is improved.
2. In the embodiment of the invention, the carrying frame comprises the braking device, the braking friction plates are lifted to be in contact with the lower ends of the two guide rails by pulling the braking handles, and the position of the braking friction plates is locked by the locking mechanism, so that the jack is fixed on the guide rails, the situation that the rail to be carried deviates from a target place due to the fact that the jack moves horizontally in the process of lowering the rail reaching the target place is prevented, meanwhile, the situation that the moving of the jack causes damage to a carrying worker is avoided, and the safety of carrying work is improved.
3. In the embodiment of the invention, the carrying frame is provided with the anti-rollover device which is fixed on the jack, when the jack inclines due to unbalanced stress, the anti-rollover device is contacted with the guide rail, so that the jack is prevented from further inclining to cause rollover, and the safety of carrying work is ensured.
4. In the embodiment of the invention, the conveying frame is provided with the height regulators, two ends of the guide rail are respectively fixed on the two height regulators, and the height of the guide rail is adjusted to a proper level by adjusting the connecting positions of the height regulators and the bracket aiming at different conveying environments, so that the conveying frame is convenient to carry out, and has higher applicability.
5. In the embodiment of the invention, the grapple has the functions of automatic grabbing and automatic grabbing releasing, after the grapple is lifted, the opening angle of the grabbing end of the grapple is reduced due to the self weight of the grabbing arm, so that the object to be transported is grabbed tightly, the grabbing force is larger when the object to be transported is heavier, the object to be transported is automatically grabbed, the grapple is continuously descended after the object to be transported is placed on the ground, the opening angle of the grabbing end of the grapple is increased due to the gravity of the force application arm, so that the automatic grabbing releasing is realized, and the workload of the transporting work can be reduced.
6. In the embodiment of the invention, the carrying frame can comprise two brackets, two ends of the guide rail are respectively assembled on the two brackets, and the two brackets jointly support the whole carrying frame, so that the carrying frame has stronger stability, is convenient for carrying, and has higher safety of carrying.
7. In the embodiment of the invention, the carrying frame can only comprise one bracket which consists of a vertical bracket, a horizontal bracket and a reinforcing bracket, wherein the upper end of the vertical bracket is connected with one end of the horizontal bracket, the two ends of the reinforcing bracket are respectively connected with the vertical bracket and the horizontal bracket to form a triangular reinforcing structure, and the middle part of the guide rail is assembled at the other end of the horizontal bracket, so that the whole carrying frame is supported by one bracket, the space occupied by the carrying frame can be saved, and the carrying frame has stronger applicability to carrying work with narrow space.
8. In the embodiment of the invention, the stabilizer is assembled on the conveying frame, the gap between the stabilizer and the bracket is reduced through the plug board on the stabilizer, so that the mutual movement of the stabilizer between the bracket and the bracket is avoided, after the stabilizing board of the stabilizer is contacted with the height adjuster and fixed on the bracket, the stabilizing board simultaneously supports the bracket and the height adjuster, the change of an included angle between the bracket and the height adjuster is avoided, the whole conveying frame is prevented from shaking, and the stability of the conveying frame is improved.
9. In the embodiment of the invention, the moving handle and the moving roller can be assembled on the carrying frame, the moving roller is installed at the bottom of the support and can adjust the height, when the carrying frame needs to be moved, the moving roller can be placed on a rail, so that the carrying frame is pushed to move, the moving of the carrying frame is facilitated, the workload is reduced, and meanwhile, the moving handle is assembled on the side surface of the support, so that the carrying frame is convenient to lift.
10. In the embodiment of the invention, the guide rail and the rail wheel on the carrying frame are made of aluminum alloy materials, so that the whole carrying frame is light in weight and convenient to move.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a" does not exclude the presence of other similar elements in a process, method, article, or apparatus that comprises the element.
Finally, it is to be noted that: the above description is only a preferred embodiment of the present invention, and is only used to illustrate the technical solutions of the present invention, and not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. A truck, comprising: the device comprises a bracket, a guide rail, a jack and a grapple;
the bracket plays a supporting role;
the guide rail is assembled on the bracket;
the jack is arranged on the guide rail;
the grapple is used for grabbing the object to be transported;
the grapple is connected to the jack, and the jack can promote the grapple to ascend or descend; the jack can also slide on the guide rail to drive the grapple to move horizontally.
2. The truck of claim 1 wherein the jack includes: the lifting jack comprises a lifting jack body, a crank, a chain and a lifting hook;
the jack body is positioned above the guide rail, and the chain and the crank are respectively assembled on the jack body;
the lifting hook is positioned below the guide rail, one end of the lifting hook is connected with the jack body through the chain, and the other end of the lifting hook is detachably connected with the grapple;
the crank can rotate in the forward direction or the reverse direction to drive the chain and the lifting hook to ascend or descend, and further drive the grapple to ascend or descend.
3. The truck of claim 1, wherein the rail includes: the guide rail comprises a first guide rail and a second guide rail which are parallel to each other, and a gap is reserved between the first guide rail and the second guide rail.
4. The truck of claim 3 wherein,
further comprising: a braking device;
the braking device includes: the brake device comprises a brake pull rod, a brake handle, a brake friction plate and a locking mechanism;
the locking mechanism is fixed on the jack, the brake handle is connected with the locking mechanism, one end of the brake pull rod is connected with the brake handle, the other end of the brake pull rod is connected with the brake friction plate through a gap between the first guide rail and the second guide rail, the brake pull rod is driven by the motion of the brake handle to move upwards so as to drive the brake friction plate to move upwards to be in contact with the lower part of the first guide rail and the lower part of the second guide rail respectively, and the locking mechanism locks the position of the brake friction plate so that the jack is fixed on the first guide rail and the second guide rail;
and/or the presence of a gas in the gas,
further comprising: an anti-rollover device;
the anti-rollover device is of an I-shaped structure and penetrates through a gap between the first guide rail and the second guide rail, a cross beam at the upper end of the anti-rollover device is positioned at the upper sides of the first guide rail and the second guide rail, and a cross beam at the lower end of the anti-rollover device is positioned at the lower sides of the first guide rail and the second guide rail; the upper end cross beam of the anti-rollover device is assembled on the jack, the jack inclines to drive the anti-rollover device to move laterally, and the lower end cross beam of the anti-rollover device is in contact with the first guide rail or the second guide rail to prevent the anti-rollover device from moving and further prevent the jack from inclining.
5. The truck according to any one of claims 1 to 4, wherein the bracket includes:
the two ends of the guide rail are respectively assembled on the first bracket and the second bracket;
or,
the guide rail device comprises a vertical support, a horizontal support and a reinforcing support, wherein the upper end of the vertical support is connected with one end of the horizontal support, the two ends of the reinforcing support are respectively connected with the vertical support and the horizontal support to form a triangular reinforcing structure, and the middle part of the guide rail is assembled at the other end of the horizontal support.
6. The truck of claim 5 wherein,
further comprising: the height adjusting device comprises a first height adjuster, a second height adjuster, a first stabilizer and a second stabilizer;
the first height adjuster and the second height adjuster are respectively assembled at two ends of the guide rail, the first height adjuster is connected with the first bracket, the second height adjuster is connected with the second bracket, and the connection positions of the first height adjuster and the second height adjuster can be adjusted so as to adjust the heights of the guide rail on the first bracket and the second bracket;
the first stabilizer includes: the first stabilizing plate is of a right-angled triangle structure;
the first fixing sleeve is sleeved on the first support and fixed with the first support, the first inserting plate is inserted into a gap between the first fixing sleeve and the first support, one right-angle edge of the first stabilizing plate is in contact with the upper end of the first height adjuster, and the other right-angle edge of the first stabilizing plate is fixed with the first fixing sleeve so as to prevent the first support and the first height adjuster from moving;
the second stabilizer includes: the second stabilizing plate is of a right-angled triangle structure;
the second fixing sleeve is sleeved on the second support and fixed with the second support, the second inserting plate is inserted into a gap between the second fixing sleeve and the second support, one right-angle edge of the second stabilizing plate is contacted with the upper end of the second height adjuster, and the other right-angle edge of the second stabilizing plate is fixed with the second fixing sleeve to prevent the second support from moving between the second height adjuster.
7. The truck according to any one of claims 1 to 4,
the guide rail is an aluminum alloy guide rail;
and/or the presence of a gas in the gas,
the grapple isThe structure of the mould is as follows,upper part of the structureThe shape structure is a force applying arm,lower part of the mould structureThe gripping arm is in a gripping structure, the force applying arm is connected with the jack and is driven by the jack to ascend, and the gripping end opening angle of the gripping arm is reduced so as to grip the object to be conveyed.
8. A method of using a truck according to any one of claims 1 to 7, comprising:
grabbing the object to be conveyed through the grab hook;
lifting the grapple by the jack to hoist the object to be carried;
sliding the jack on the guide rail to drive the grapple to horizontally move until the grabbed object to be transported reaches the position above a target place;
the grapple is caused to descend by the jack to lower the object to be carried.
9. The method according to claim 8, wherein when the carrier includes a first height adjuster and a second height adjuster, and the rack in the carrier includes a first rack and a second rack, wherein the first height adjuster and the second height adjuster are respectively assembled at both ends of the guide rail, the first height adjuster is connected with the first rack, the second height adjuster is connected with the second rack, and the connection positions are adjustable;
before the grabbing the object to be carried by the grapple, the method further comprises the following steps:
adjusting the connecting position of the first height adjuster and the first bracket, and adjusting the connecting position of the second height adjuster and the second bracket to adjust the height of the guide rail on the bracket to a specified position.
10. The method according to claim 8 or 9, characterized in that when the truck includes a brake device and the guide rail in the truck includes a first guide rail and a second guide rail parallel to each other, wherein the brake device is fixed to the jack, on the brake device, a brake pull rod is connected at one end to a brake handle and at the other end to a brake pad through a gap between the first guide rail and the second guide rail;
after the sliding the jack on the guide rail to move the grapple horizontally until the grasped object reaches above the target place, the method further includes, before the lowering the grapple by the jack to lower the object to be conveyed:
and moving the brake handle to drive the brake pull rod to move upwards, further driving the brake friction plate to move upwards to contact with the lower parts of the first guide rail and the second guide rail, locking the position of the brake friction plate, and fixing the jack on the guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510434903.5A CN105152031A (en) | 2015-07-22 | 2015-07-22 | Carrying frame and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510434903.5A CN105152031A (en) | 2015-07-22 | 2015-07-22 | Carrying frame and use method thereof |
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| CN105152031A true CN105152031A (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510434903.5A Pending CN105152031A (en) | 2015-07-22 | 2015-07-22 | Carrying frame and use method thereof |
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| CN (1) | CN105152031A (en) |
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Application publication date: 20151216 |
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