KR101176855B1 - Tower crane having elevator - Google Patents

Abstract

PURPOSE: A tower crane with an elevator is provided to maximize working efficiency by installing an elevator in a mast of a tower crane. CONSTITUTION: A tower crane comprises a mast(110), an elevator(120), a winch(130), elevator guiding cores(140), and switchboards(150). The mast is vertically assembled and arranged. The elevator is installed in the mast to be vertically moved by a wire and comprises a space for boarding passengers and an entrance. The winch is installed in the upper part of the mast and vertically moves the elevator by winding or unwinding the wire. The elevator guiding cores are installed in the mast in parallel with a vertical moving path of the elevator to guide the vertical movement of the elevator. The switchboards are positioned in parallel with the elevator guiding cores in the mast.

Description

Tower crane with elevator {Tower crane having elevator}

The present invention relates to a tower crane in which the elevator is installed, and more particularly, by removing the stairs in the mast and installing the elevator in place, the elevator is provided for providing speed and convenience in transporting drivers and workers to the workplace. It is about tower crane.

In general, tower cranes are often used for port unloading or building construction. These tower cranes are divided into jib type and hammer head type according to the shape of the top part. Jib-type tower cranes are equipped with a rotating frame on top of the tower, attaching jibs to lift or lower loads by rotating or linearly moving trolleys. Hammerhead type tower crane is equipped with a swivel frame at the top of the tower and equips it with left and right booms so that the load is moved horizontally.

Tower cranes currently operating in construction sites use steel staircases installed in the masts for the driver or operator to climb into the driver's seat or workshop. The iron stairs of such tower cranes are remarkably uncomfortable when they are high, such as 50 m or more. In particular, when the driver of the tower crane climbs up and down the stairs to solve a meal or physiological phenomenon, the staggered and inclined stairs cause a great depletion of physical strength, which significantly reduces the work efficiency and even causes a safety accident. Had a problem done.

In addition, four to five workers must climb up and down the steel stairs one by one during the masting operation, so if a minor mistake is made by the preceding worker when going up to the workplace, such as dirt on the sole of the shoe or a fall of the equipment in his possession, There was a problem that the working time increases, such as an unexpected accident of safety accidents to the rising worker, and the opposite case occurs when descending.

In order to solve this problem, it is necessary to install an elevator in the tower crane. If the elevator is installed in the tower crane, there is a problem in that the collision between the elevator itself and the mast, and the collision to the tower crane Damage to the tower crane itself had a problem to fall. In particular, the higher the wind speed, the greater the wind speed, considering the characteristics of the shaker car body exposed to the outside much, can not have the same structure as the conventional general elevator.

In addition, when the elevator is installed in the tower crane, it is necessary to stably arrange the mechanism for supplying power lines and installing various mechanisms necessary for operating the elevator, and thus, it is necessary to promote the smooth operation of the elevator, and thus the power line of the elevator during tower crane work. When operation is not possible due to a fault or failure of an elevator body, it is required to secure an escape route of an elevator passenger and a moving passage of a tower crane driver or workers.

In addition, considering that the elevator in the tower crane is exposed to the outside by the mast, which is a steel structure, it may cause an accident such as a fall. In this case, it is necessary to protect the passenger from the fall of the elevator, and the elevator operates within the mast. In order to do so, power was required from the ground to the tower crane cab, and when operating the elevator in the mast, it was necessary to connect the various powers and wiring of the CCD camera from the ground to the telescoping cage.

In order to solve the conventional problems as described above, the present invention can dramatically improve the transportation method of the existing driver and workers to provide a fast, efficient working environment, and also can use the existing mast as it is, The purpose is to make and use a mast.

In addition, an object of the present invention is to maintain a constant moving path of the elevator that must operate in a narrow mast space, to maintain the center of gravity of the tower crane itself, and to prevent the elevator from shaking.

In addition, an object of the present invention is to stably install a lift induction core and a switchboard in an empty space in a mast, and to operate while monitoring a work place in a driver's seat through a CCD camera installed on a hook.

In addition, an object of the present invention is to ensure the escape path of the working personnel in the event of various safety accidents, and to facilitate the movement passage from the elevator to the tower crane driver's seat.

In addition, an object of the present invention is to ensure the safety of passengers in case of a crash of the elevator, and to prevent a large accident caused by this.

Other objects of the present invention will be readily understood through the following description of the embodiments.

In order to achieve the object as described above, in order to utilize the existing mast first, it is necessary to dismantle the stairs in the mast, and to remove the fall prevention wire meshes installed on the upper and lower sides of the mast to secure the elevator passage. According to one aspect, in the tower crane, a mast assembled in a vertical direction; It is installed to move up and down by wires in the mast, a space for boarding the entrance and a passenger is provided, a passage for moving to the driver's seat of the tower crane is provided at the top, and a ladder is provided to enter and exit through the passage. Being lifted; A winch installed on an upper portion of the mast and lifting the elevator by winding or unwinding the wire; And a plurality of elevator guides installed in the mast so as to be parallel to the vertical movement path of the elevator, and the elevator being connected to the vertical movement to guide the vertical movement of the elevator. And a plurality of pins arranged to be spaced along the longitudinal direction to provide wiring necessary for operation of the elevator and operation of a device required for the tower crane, and to be parallel to the elevator induction core in the mast. A tower crane provided with a lift including a switchboard fixed to the lift center is provided.

The mast may have a vertical emergency ladder installed to allow the operator or driver to move up and down, and may be provided on one side to serve as a support when the emergency ladder lifts the telescoping cage.

The emergency ladder may be provided on both sides to maintain the balance of the tower crane.

The elevator, the upper portion is provided in the upper, the wire is connected to a plurality of the upper end to support the weight of the elevator, the upper portion formed to open the passage up and down; A middle layer provided integrally with the lower side of the upper layer and providing a space and an area for the passenger to board, and provided with the doorway and the ladder; And a buffer surface is fixed between the upper surface and the bottom surface, and a plurality of buffer springs are arranged between the upper surface and the buffer surface and between the buffer surface and the bottom surface. It may be installed to include a lower layer to absorb the impact when the impact with the ground.

The central portion, the entrance and the ladder may be provided on a plurality of surfaces of the front and rear and left and right sides, respectively.

The elevator may be provided with a plurality of guides on both sides, and the guide unit may be slidably connected to the elevator induction cores installed at both sides.

The lift induction core may be fixed to the guide core fixing plate installed in the upper and lower parts of the mast by bolts and nuts through upper and lower couplings each having a pair of L-shapes.

Providing the necessary wiring for the operation of the elevator and the operation of the apparatus required for the tower crane, and the elevator by means of a plurality of fixing pins arranged in parallel with the elevator center in the mast and spaced along the longitudinal direction It may further include a switchboard fixed to the guide core.

The switchgear, an outlet cover for covering the outlet on the upper portion is detachably installed, a fixing pin cover for covering the power line fixing pin and the cable fixing pin in the lower portion is detachably installed, the outlet cover is, A plurality of passage grooves through which the power line and the camera cable pass, respectively, are formed in the opening, and an opening is formed to open the lower portion. The fixing pin cover has a passage groove through which the power line and the camera cable pass respectively. The plurality may be formed, and the opening may be formed to open the upper portion.

According to the tower crane equipped with the elevator according to the present invention, by installing the elevator in the mast of the tower crane to provide a quick and convenient movement for the operator and operator to maximize the efficiency and efficiency of work, and to operate in a narrow mast space Maintains the center of gravity of the tower crane itself by maintaining a constant moving path of the elevator, prevents the shaking of the elevator, and stably installs the elevator guide core and switchboard in the empty space within the mast to improve work efficiency. It is possible to increase the height, to operate while monitoring the work place from the driver's seat through the CCD camera installed on the hook, to secure the escape route of workers in the event of various safety accidents, and to secure the passage of the elevator from the elevator to the tower crane driver's seat. Of the lift Rock securing the accident, the safety of passengers, and can prevent major accidents resulting.

1 is an interior view showing a tower crane installed in accordance with an embodiment of the present invention,
Figure 2 is a perspective view showing the elevator of the tower crane is equipped with an elevator according to an embodiment of the present invention,
3 is a view showing a buffer spring fixed structure of the tower crane is installed according to an embodiment of the present invention,
4 is a view showing a lift induction center fixed structure of a tower crane installed in accordance with an embodiment of the present invention,
5 is a view showing a switchboard of a tower crane equipped with an elevator according to an embodiment of the present invention,
6 is a plan view illustrating a ground electrode and a ground piece of a tower crane provided with an elevator according to an embodiment of the present invention;
7 is a perspective view showing an outlet cover of a tower crane installed in accordance with an embodiment of the present invention,
8 is a perspective view illustrating a fixing pin cover of a tower crane provided with an elevator according to an embodiment of the present invention.

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but is to be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention, And the scope of the present invention is not limited to the following examples.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like or corresponding elements are denoted by the same reference numerals, and redundant explanations thereof will be omitted.

1 is an internal view showing a tower crane equipped with an elevator according to an embodiment of the present invention, Figure 2 is a perspective view showing a lift of the tower crane equipped with an elevator according to an embodiment of the present invention.

As shown in Figure 1 and 2, the tower crane 100 is installed in accordance with an embodiment of the present invention is a mast 110, the elevator 120 and the winch 130, the elevator induction core 140 ) And a switchboard 150.

The mast 110 is to be assembled in a vertical direction, in the case of a small size is about 350cm in height and about 220cm in width, in the case of a large size may be 500cm in height and 300cm in width. A plurality of, for example, four are fixed to stand vertically to the ground, the reinforcing member consisting of the a-shape of the right angled shape of the main members can be made of steel structure by connecting horizontally and inclined, may be configured in a cylindrical form as another example.

The mast 110 is installed with a vertical emergency ladder 111 to enable the operator or driver to move up and down, the emergency ladder 111 may be provided on one side to serve as a support when lifting the telescoping cage. have.

The emergency ladder 111 is used only in an emergency, in order to have a minimal impact on the center of gravity of the tower crane 100, it is necessary to minimize the volume of the light weight and to be exposed to snow and rain all year round. It is made of steel that does not rust, but is fixed so as not to be easily separated from the mast (110), it is produced firmly to bear the load of 2 to 3 workers.

Elevator 120 is to use the mast 110 as it is to lift the passengers, for this purpose is installed to move up and down by the wire 124 in the mast 110, for the doorway 122a and the passenger boarding A space is provided, a passage 121a for moving to the driver's seat above the tower crane 100 is provided at the top, and a ladder 122b is provided to enter and exit through the passage 121a. For example, the total height is about 280 cm. And, the left and right and front and rear width may be about 100cm, respectively, the size of the elevator 120 may have an appropriate size according to the size of the mast 110, in order to focus on the safety of the passenger as much as possible in preparation for safety accidents It has a structure.

The elevator 120 may have, for example, a hexahedral structure, and main members corresponding to vertical and horizontal edge portions are connected to each other by reinforcing members, and provide a bottom surface for the passenger's boarding and also require a block from the outside. A plate such as iron plate or plywood can be installed by being fixed to the main member and the connecting member. Here, the main member and the reinforcing member may be made of a-shape steel used as the material of the mast (110).

The elevator 120 may be divided into three parts, for example, an upper layer part 121, a middle layer part 122, and a lower layer part 123 that are respectively provided on the upper part, the middle part, and the lower part.

The upper layer 121 is provided at the upper part of the elevator 120, and the wires 124 are connected to the upper end to support the weight of the elevator 120, and to move up and down in order to move to the driver's seat above the tower crane 100. The passage 121a is formed to be opened, and may have a height of about 30 cm, for example, and may be formed of a hexahedral steel frame structure formed by connecting length members, eg, a-shaped steels, to each other by welding or bolting. Here, the wires 124 may be connected to the lugs 121b provided at the upper edges of the upper layer 121, respectively. In addition, the passage 121a has a width of about 80cm in length and width so that the driver or worker can pass.

The middle floor 122 is provided to be integrated under the upper floor 121, provides a space and an area for passengers such as a worker or a driver to board, an entrance 122a is provided, and the passage 121a is used. Ladder 122b is provided for this purpose, and may be formed of a hexahedral steel structure made by connecting length members, such as a-beams, by welding or bolting, and manufactured to a height of about 220 cm, and having a bottom surface and a required portion, such as a side surface. The plate 122c, such as steel plate or plywood, is installed to provide passengers with a boarding area or space, and each side is manufactured in the form of a conventional security window, but can be made of steel tubes to minimize weight and used as a staircase. Can be installed at intervals of 20 cm. Here, the doorway 122a may be formed as an open portion formed due to the steel structure among the front, rear, or left and right sides of the middle floor 122 as an example, and as another example, the ladder 122b may have a side portion as in the present embodiment. By hinge coupling to the open side of the middle layer 122 may be made of an open portion that is opened by the rotation of the ladder (122b). In addition, the ladder 122b is manufactured and installed so that each surface of the middle floor portion 122 can be used as a staircase, thereby serving as a connection path from the elevator 120 to the driver's seat of the tower crane 100.

The middle floor 122 is provided with a doorway 122a and a ladder 122b on a plurality of surfaces of front, rear, left, and right sides, respectively. In this way, the doorway 122a is provided on a plurality of surfaces, for example, a front side and a rear side, respectively, in an emergency. In order to prepare for the escape of passengers, and to ensure the safety of the emergency by providing a steel reinforcement on the bottom surface, vertical ladder (122b), such as a rope in order to use the front and rear of each side as a door It can be manufactured in the form of a ladder, but it can be fixed to make a fixed hook so that it can be hooked to the bottom of the boarding space, and it can be manufactured to open 150cm when the worker enters and exits.

The lower layer part 123 is a space for securing safety in an emergency, and may be formed of a hexahedral steel structure formed by connecting length members, eg, a-beams, by welding or bolting, and the upper surface 123a fixed to each of the steel structures. A buffer surface 123c is fixed between the bottom surface 123b and a plurality of buffer springs 123d between the top surface 123a and the buffer surface 123c and between the buffer surface 123c and the bottom surface 123b. ) Is installed to be arranged so as to absorb the impact when colliding with the ground, and manufacture about 30cm in height. Therefore, the lower layer 123 is configured to protect the passengers by the shock absorbing when the elevator 120 is made of a double space provided with a plurality of buffer springs (123d) each. Here, the upper surface 123a, the lower surface 123b and the buffer surface 123c may be made of steel.

For example, six shock absorbing springs 123d may be installed in each of two floors in each front and rear, and in addition, the shock absorbing spring 123d may have an appropriate number to absorb shock while preventing the risk of passengers soaring elastically. As shown in, by making the fixing portion 123e of 2cm height for each of the facing surface between the upper surface (123a), lower surface (123b) and the buffer surface (123c) so that both ends of the buffer spring (123d) is fixed The buffer spring 123d does not flow.

The lower layer part 123 has a double safety space by the upper surface 123a, the lower surface 123b and the buffer surface 123c, so that the shock absorbing spring 123d installed in the lower safety space when the elevator 120 falls. As the primary buffering function, the buffer spring 123d installed in the upper safety space again buffers the secondary buffer, and the shock absorber installed on the floor according to the safety standard of the elevator is cushioned again. Secure triple safety devices.

The elevator 120 may be formed so that the upper layer 121, the middle layer 122, and the lower layer 123 are separately manufactured so as to be integrated with each other by welding or bolting, or may be integrally formed during manufacturing.

The winch 130 is installed on the top of the mast 110, and by lifting or unwinding the wire 124 on the roll 132 rotated by the driving force of the motor 131 to lift the elevator 120, the elevator It is controlled by a coarse part provided in 120.

The elevator induction core 140 is provided with a plurality of pairs, for example, located at both sides of the elevator 120 so as to be parallel to the vertical movement path of the elevator 120, and the elevator 120 is connected to enable vertical movement, thereby increasing the elevator ( 120 moves along a predetermined trajectory within the mast 110, guides the elevator 120 to move vertically stably without vibration or bias, and is as lightweight as possible so as not to affect the center of gravity of the tower crane 100 , Has a rigid material or structure so that the elevator 120 maintains a constant trajectory within the mast 110, for example, "-" except for the part "l" of the a-beams used when manufacturing the mast 110 It can be installed using only the ruler portion, the size is formed about 10cm shorter than the total height of the mast 110, the bolt 143 (shown in FIG. 4) and the nut 144 (FIG. 4) in the guide core fixing plate 141 city) So that they can be fixed.

Induction core fixing plate 141 is installed on the top and bottom and left and right sides of the mast 110, respectively, a total of four is installed in place of the existing diagonal reinforcement of the mast 110 and at the same time to secure the elevator induction core 140, Fixing the switchboard 150, such as to act as a girder to be able to arrange various facilities inside the mast (110). In addition, the guide core fixing plate 141 is installed inside each 20cm from the outer wall of the mast 110 to balance the left and right to maintain the center of gravity of the tower crane, while utilizing the size of the elevator 120 to the maximum If you use the emergency ladder 111, so also to act as a staircase. In addition, the guide core fixing plates 141 respectively installed on the left and right sides of the mast 110 may be fixed by welding or screws so that only the position can be fixed, and the guide cores respectively installed on the left and right sides of the mast 110 below. Fixing plate 141 is a steel material is good because it must support the weight, it can be fixed by welding or bolts to be placed on the mast 110, such as induction core fixing plate 141 installed on the top to be fixed.

The elevator 120 may be provided with a plurality of guide portions 126 on both sides, and the guide portion 126 may be slidably connected to the elevator induction core 140 respectively installed on both sides. Here, the guide portion 126 may be provided on both sides of the upper layer portion 121 and both sides of the lower layer portion 123, for example, and can be slid to the protrusion or groove structure of the elevator guide city 140 by the groove or the protrusion structure. The rollers or bearings may be rolled to the elevator guide core 140 so as to be rollable.

As shown in Figure 4, the lift induction core 140 is a pair of top and bottom each of the guide core fixing plate 141 is fixed to the upper and lower in the mast 110 directly or installed by a separate connection member. The bolt 143 and the nut 144 may be fixed through the hinge 142 having an L shape. That is, the lift induction core 140 is fixed to one side of the pair of hinges 142 facing each of the upper and lower ends with a bolt 143 and a nut 144, and the other side of the hinge 142 is inclined. The upper and lower ends are fixed to the guide core fixing plate 141 to be stably installed by fixing the bolt 143 and the nut 144 to the inner city fixing plate 141.

The switchboard 150 is installed in the mast 110, and provides wiring necessary for the operation of the elevator and the operation of the tower crane, for example, a CCD camera, and for this purpose, a plurality of cables and power distributors are supplied therein. The member may be installed, and may be fixed to the lift guide core 140 by a plurality of fixing pins 151 positioned to be parallel to each of the lift guide cores 140 and arranged at intervals along the longitudinal direction, and the tower. The outer case may be made of synthetic resin, which is possible to reduce the weight as much as possible so as not to affect the center of gravity of the crane (100). The fixed pin 151 may be welded or forcibly fitted or screwed to the elevator guide core 140, and the other end may be forcibly fitted or screwed to the switchboard 150.

As shown in FIGS. 5 and 6, the switchboard 150 includes a plurality of ground electrodes 153 for connecting the power lines between the upper side and the lower side, and a connector 155 for connecting the camera cable between the upper side and the lower side. An outlet 152 having a) may be installed, and a power line fixing pin 156 and a cable fixing pin 157 may be provided at the bottom to fix the power line and the camera cable, respectively. Here, the ground electrode 153 of the outlet 152 may be formed of not only two phases but also three phases as another example, as shown in the present embodiment, and grounding portions 153a for electrical connection of power lines may be provided at both sides. .

In general, the power of the prime mover and the elevator 120 in the tower crane is a three-phase or four-phase using a medium voltage cable of 400 ~ 600V, the thickness of the coating line is about 5cm in diameter. However, when the sheath is stripped, there are four wires about 3-4 cm in diameter. The switchboard 150 serves as a passage through the medium voltage cable, and when connecting to the outlet 152, the electric power can be supplied by connecting each electric wire (a state in which the medium voltage cable wire is removed) to the ground electrode 153. Therefore, in each wire grounding method, two grounding electrodes 153 are connected to each other by overlapping the bottom and top of one wire, and after placing the stripped one wire on the bottom grounding electrode 153 (the sheath of a medium voltage cable) Press and fix it with a ground piece 154 that is slightly smaller than the ground electrode 153 under the four wires which are stripped off. At this time, the screw is fixed to the upper ground electrode 153 (not to be separated). Fixing in advance) When the screw is turned to the right, the electric wire is naturally pressed while the wire is pressed by the upper and lower ground electrodes 153 while approaching the lower ground electrode 153.

The switchboard 150 is manufactured to be about 10 cm lower than the height of the mast 110 in order to facilitate the wiring connection work, but is made of a non-conductive plastic material, the outlet 152 to facilitate the tangential work of the power line After the tangential work, the outlet 152 is attached to the switchboard 150.

The switchboard 150 includes an outlet cover 158 for covering the outlet 152 on the top thereof to protect the outlet 152, the power line fixing pin 156, and the cable fixing pin 157 from snow, rain, and the like. And a fixing pin cover 159 (shown in FIG. 8) for covering the power line fixing pin 156 and the cable fixing pin 157 may be detachably installed at a lower portion thereof.

As shown in FIG. 7, the outlet cover 158 is formed in a plurality of passage grooves 158b through which the power line and the camera cable pass, respectively, in a line, and an opening 158c is formed to open the lower portion. A fixing part provided at the top in a state in which the power line and the camera cable can be introduced and positioned in the groove in which the outlet 152 is positioned to have a shape for covering the outlet 152 positioned in the groove formed in the switchboard 150 ( 158a may be fixed to the switchboard 150 with bolts, and a sealing member may be installed to prevent snow and rain from flowing through the gap between the power line and the camera cable and the through groove 158b.

As shown in FIG. 8, the fixing pin cover 159 is formed in a plurality of passage grooves 159b through which power lines and camera cables pass, respectively, in a row, and an opening 159c is formed to open the upper portion. The power line fixing pin 156 and the cable fixing pin 156 and the cable fixing pin 157 positioned in the groove formed in the switchboard 150 to cover the power line fixing pin 156 The pin 157 may be fixed to the switchboard 150 with a bolt through a fixing part 159a provided at the bottom in the state where the pin 157 is located, and through a gap between the power line and the camera cable and the passing groove 159b. Sealing members may be installed to prevent snow and rain from entering.

The outlet 152 is manufactured to have a grounding electrode 153 having a "ㅣ" shape, but the power line coming down from the upper mast 110 and the power line coming up from the lower mast 110 are interconnected, and the telescoping cage The outlet 152 installed in the mast 110 directly below may interconnect the power line coming up from the lower mast 110 and the power line coming down from the telescoping cage.

In addition, in order to prevent power supply cut off when the telescoping cage is raised, a margin of about 10 to 15 m is secured in advance in order to prevent power supply cutoff, and when the mast 110 is inserted or removed, 2 Even when inserting or removing the masts 110, it is possible to work. In addition, one outlet 152 is provided with a total of seven grounding electrodes 153 and a connector 155 for connection of the ccd camera cable, and thus a total of two outlets 152 installed in one mast 110. 14 power lines can be connected, and a total of 16 wires can be connected with a space to connect 2 camera cables in total. This is a three-phase (three-wire) or four-phase (four-wire) power source for the prime mover power required for tower crane work, and the three-phase (three-wire) or four-phase (4) motor for the elevator operation. Wires) are used, so the tower crane prime mover power line is connected to one outlet, and the prime mover power line for the elevator is connected to the other outlet, and three to four extra grounding electrodes 153 are secured to each outlet. Or, even if there is a device installation factor that may be needed in addition to the tower crane, it is possible to supply power smoothly.

The power line or the camera cable connected to the upper part of the outlet 152 is connected to the ground electrode 153 or the connector 155 in the outlet 152 to prevent rain or snow from penetrating. After inserting into the camera cable, it is connected to the ground electrode 153 or the connector 155, the rubber packing may be placed directly on the outlet cover 158. On the other hand, the outlet cover 158 is made of eight through grooves (158b) to allow the wires to pass through the upper side in consideration of the wiring coming from both sides, the lower side is a switchboard 150 consisting of openings (158c) through which the wires pass Produced in a scale corresponding to), when the outlet cover 158 is fixed to the switchboard 150, it is listed in line with the existing switchboard.

In addition, since the lower side of the switchboard 150 is a structure that directly lowers the power line or the camera cable, several power lines or camera cables can be tangled with each other, so to prevent this, the power line fixing pin 156 and the cable fixing pin in the switchboard 150 itself. Attached to the (157) to secure the power line or the camera cable coming down from the outlet 152, and when the wires between the mast (110) to make the work easier, and to prevent snow or rain, fixing pins like the outlet 152 The cover 159 may be manufactured to be covered. In this case, the outlet cover 158 and the fixing pin cover 159 may have the same size and the same shape so that they can be detached and interchanged, and can be fixed to the switchboard 150 with bolts or screws in opposite directions. You can make it.

According to the tower crane equipped with the elevator according to the present invention, by installing the elevator in the mast of the tower crane to provide a quick and convenient movement for the operator and operator to maximize the efficiency and efficiency of the work, within a narrow mast space By maintaining a constant moving path of the elevator to be operated to maintain the center of gravity of the tower crane itself, it is possible to prevent the elevator shake.

In addition, the tower crane installed in accordance with the present invention is to increase the work efficiency by stably installing the elevator guide core and switchboard in the empty space in the mast, through a CCD camera to be installed on the hook of the tower crane 100 The driver's seat can be operated while monitoring the working place, to ensure the escape route of workers in case of various safety accidents, to facilitate the passage of the elevator from the elevator to the tower crane driver's seat, and to ensure the safety of the passenger in case of the accident of the elevator falling. Secured and prevented large accidents.

Although the present invention has been described with reference to the accompanying drawings, it is to be understood that various changes and modifications may be made without departing from the spirit of the invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the equivalents of the claims, as well as the following claims.

110: mast 111: emergency ladder
120: elevator 121: upper floor
121a: passage 122: middle layer
122a: Doorway 122b: Ladder
122c: plate 123: lower layer
123a: upper surface 123b: lower surface
123c: Shock absorbing surface 123d: Shock absorbing spring
123e: fixing part 124: wire
125: guide portion 130: winch
131: motor 132: roll
140: elevator guide 141: guide core fixing plate
142: connector 143: bolt
144: nut 150: switchboard
151: fixing pin 152: outlet
152a: fixed part 153: ground electrode
153a: grounding portion 154: grounding piece
155 connector 156: power line fixing pin
157: cable fixing pin 158: outlet cover
158a: fixing portion 158b: through groove
158c: opening 159: fixing pin cover
159a: fixing portion 159b: through groove
159c: opening

Claims (15)

In the tower crane,
A mast assembled and arranged in a vertical direction;
It is installed to move up and down by wires in the mast, a space for boarding the entrance and a passenger is provided, a passage for moving to the driver's seat of the tower crane is provided at the top, and a ladder is provided to enter and exit through the passage. Being lifted;
A winch installed on an upper portion of the mast and lifting the elevator by winding or unwinding the wire;
A plurality of elevator induction cores installed in the mast so as to be parallel to the vertical movement path of the elevator, and configured to guide the vertical movement of the elevator by being connected to the elevator to allow vertical movement; And
Providing the necessary wiring for the operation of the elevator and the operation of the apparatus required for the tower crane, and the elevator by means of a plurality of fixing pins arranged in parallel with the elevator center in the mast and spaced along the longitudinal direction Including a switchboard fixed to the induction core,
The switchboard,
An outlet having a plurality of ground electrodes for connecting the power lines to each other between the upper side and the lower side and a connector for connecting the camera cables to each other between the upper side and the lower side is installed in the upper portion, and a power line for fixing the power line and the camera cable in the lower portion, respectively. A tower crane equipped with a lift, characterized in that the fixing pin and the cable fixing pin is provided. The method of claim 1, wherein the mast is
A vertical emergency ladder is installed to allow the operator or driver to move up and down, and the elevator is equipped with a tower crane, characterized in that the emergency ladder is provided on one side to serve as a support when lifting the telescoping cage. The method of claim 1, wherein the elevator,
An upper layer part provided at an upper part to support the weight of the elevator by connecting a plurality of wires to an upper end thereof, and an upper layer part formed to open the passage up and down;
A middle layer provided integrally with the lower side of the upper layer and providing a space and an area for the passenger to board, and provided with the doorway and the ladder; And
It is provided to be integral to the lower side of the middle layer, the buffer surface is fixed between the upper surface and the bottom surface, a plurality of buffer springs are arranged between each of the upper surface and the buffer surface and between the buffer surface and the bottom surface. A tower crane provided with a lift, characterized in that it comprises a lower layer to absorb the impact when colliding with the ground. The method of claim 3, wherein the central portion,
The crane door is equipped with a lift, characterized in that the entrance and the ladder is provided on a plurality of surfaces of front and rear and left and right respectively. The method of claim 1, wherein the elevator,
A plurality of guide units are provided on both sides, and the tower crane is provided with a lift, characterized in that the guide unit is slidably connected to the elevator induction core installed on both sides. The elevator lift core according to claim 1 or 5,
The tower crane with a lift, characterized in that the upper and lower each of the guide core is installed on the upper and lower in the mast is fixed with a bolt and nut through a pair of L-shaped hinge. delete The method of claim 1, wherein the elevator,
A tower crane provided with a lift, characterized in that having a size corresponding to the specification of the mast. The method of claim 3, wherein the upper layer, the middle layer and the lower layer,
A tower crane equipped with an elevator, characterized in that consisting of a hexagonal steel structure made by connecting the a-beams to each other by welding or bolting. The method of claim 6, wherein the guide core fixing plate,
A tower crane is installed, characterized in that a total of four, one each installed on the upper and lower sides and the left and right sides of the mast to secure the elevator induction core, and serves as a girder to secure the switchboard. 11. The method of claim 10,
The guide core fixing plates respectively installed on the left and right sides of the mast are welded or screwed to fix only the position, and the guide core fixing plates respectively installed on the left and right sides of the mast are made of steel to support the weight. A tower crane equipped with a lift, characterized in that it is fixed by welding or bolts to be fixed on the mast and placed on the mast, such as the city fixed plate. The method of claim 1, wherein the switchboard,
In order to facilitate the wiring connection work, it is manufactured to be lower than the height of the mast, but is made of non-conductive plastic material, and the outlet is attached to the switchboard after the tangential work on the outlet to facilitate the tangential work of the power line, A tower crane equipped with a lift, characterized in that the cover is covered to prevent ingress of moisture such as snow or rain into the outlet. The method of claim 1, wherein the outlet,
It is designed to have a grounding electrode in the form of "ㅣ", and the power line coming down from the upper mast and the power line coming up from the lower mast are interconnected, and the outlet installed in the mast just below the telescoping cage is the power line rising from the lower mast A tower crane equipped with a lift, characterized in that it can interconnect the power lines coming down from the telescoping cage. The method of claim 1,
The ground electrode of the outlet may be made of a two-phase or three-phase, the tower crane is provided with a lift, characterized in that the ground portion for the electrical connection of the power line can be provided on both sides The method of claim 1, wherein the switchboard,
An outlet cover for covering the outlet on the upper portion is detachably installed, and a fixing pin cover for covering the power line fixing pin and the cable fixing pin on the lower portion is detachably installed.
The outlet cover is,
A plurality of passing grooves through which the power line and the camera cable pass respectively are formed in the upper portion, and openings are formed to open the lower portion.
The fixing pin cover,
And a plurality of passage grooves through which the power line and the camera cable pass, respectively, and an opening is formed to open the upper portion.

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