Movable hoisting machine

Abstract

The utility model relates to the field of hoisting machines, in particular to a movable hoisting machine. Comprising a steel structure, a shear fork device, a traveling crane lifting appliance and a running mechanism, the shear fork device, the traveling crane lifting appliance and the running mechanism are all installed in the steel structure, the shear fork device comprises a first supporting pipe and a second supporting pipe, and the first supporting pipe and the second supporting pipe are connected with the steel structure; an upper support and a lower support are installed at the upper end and the lower end of the first supporting pipe and the upper end and the lower end of the second supporting pipe respectively, a guide cone is installed on the upper surface of the lower support, a plurality of second screws are connected to the lower end of the guide cone in a threaded mode, the guide cone is connected with the lower support through the second screws, and a cone barrel is slidably connected to the arc face of the guide cone. A plurality of arm plates are installed between the first supporting pipe and the second supporting pipe. The movable hoisting machine provided by the utility model has the advantage that the movable hoisting machine can be integrated and simplified.

Description

Technical Field

[0001] The utility model relates to the field of hoisting machines, in particular to a mobile hoisting machine. Background Art

[0002] The hoist is composed of a steel structure, a small car, a scissor fork device, a hanger device and a Chinese control system. It is a device used to lift objects and is more common in daily life.

[0003] Existing technologies include a utility model with publication number CN212450256U, which discloses a mobile crane for lifting oil production motors. The patent adopts a connecting plate, a lifting part and a crane with a display screen. The lifting part includes four identical connecting frames and a boom. The top outer walls of the four connecting frames are rotatably connected with connecting heads. The four connecting heads and the boom are all installed on the connecting plate through lifting ropes. The connecting plate is installed on the hook of the crane through lifting ropes or directly; the bottom of the boom is provided with evenly distributed hanging ears, and the bottom outer walls of every two connecting frames are welded with the same mounting tube, and the mounting tube and the connecting frame are staggered welded, which solves the problem that reliable positioning cannot be performed and the lifting accuracy cannot be guaranteed during lifting operations.

[0004] The inventors have found in their daily work that in the process of using mobile hoists, there is a problem that the existing mobile hoist operating system is widely distributed, so it is difficult to achieve integration and simplification when using it because the operation requires running back and forth.

[0005] Therefore, it is necessary to provide a new mobile hoist to solve the above-mentioned technical problems. Utility Model Content

[0006] The purpose of the utility model is to solve the shortcomings in the prior art and to propose a mobile hoisting machine.

[0007] In order to solve the above technical problems, the utility model provides a mobile hoist, comprising: a steel structure, a scissor-type device, a crane hoist and an operating mechanism, wherein the scissor-type device, the crane hoist and the operating mechanism are all installed inside the steel structure.

[0008] The effects achieved by the above components are as follows: Steel structure: It is composed of steel structure and trolley track. It provides X-axis motion track for small car; Small car: It is composed of running device, lifting device, pulley device, guide wheel device, overload device, and guide wheel group, which is responsible for providing X-axis and Z-axis motion; Scissor fork device: It is composed of scissor fork device and rising, falling, and top protection device, which is used to ensure the stability and safety of the equipment during the rising and falling operation; Hanger: It is composed of hook device, pulley device, hanger steel structure, and guide device, which is responsible for grabbing goods. The running part adopts the structure of running beam + drive device + wheel box + guide wheel group. The wheel box makes the overall operation of the small car more stable, safe and reliable; the guide wheel group adopts the eccentric shaft adjustment method to ensure that the wheel box is always centered in the middle of the guide rail, making its operation more reliable; the hook device adopts the rotating lifting method, which can be used in narrow space The place is more convenient for lifting; the guide device integrates the guidance and detection functions. A set of guide devices integrates four detection devices: left and right skew detection of material frame, deceleration detection of cargo detection, cargo detection, and low-position detection of cargo release. During use, the control system issues a command, the small car quickly runs to the corresponding position, the lifting device starts, and the hanger drops quickly. At this time, the cargo deceleration detection switch works, the hanger quickly drops to a safe distance from the cargo, and begins to drop slowly. The cargo detection detects the cargo, the hook device runs, and the cargo is grabbed. The lifting device lifts the cargo to the highest position (up limit control) and the small car quickly runs to the specified position to execute the cargo release command. At this time, the low-position detection and left and right skew detection devices ensure that the cargo is parked accurately, and so on.

[0009] Preferably, the scissors-type device includes a first support tube and a second support tube, both of which are installed on the steel structure, and the upper and lower ends of the first support tube and the second support tube are respectively installed with an upper support and a lower support, the upper surface of the lower support is installed with a guide cone, the lower end of the guide cone is threadedly connected to a plurality of second screws, the guide cone is connected to the lower support by means of the second screw, and the arc surface of the guide cone is slidably connected to the cone barrel, and a plurality of arm plates are installed between the first support tube and the second support tube, and a first cotter pin, a large washer and a nut are installed at the connection between the two arm plates, and a bearing, an upper roller shaft, a first connecting sleeve and a second cotter pin are installed at the connection between the arm plate and the upper support, and a lower roller arm is provided at the lower end of the lower support, and a second connecting sleeve, a second pin shaft and a lower roller shaft are installed at the connection between the lower roller arm and the lower support, and the upper support is connected to the arm plate through a screw.

[0010] Preferably, spacers are provided at the connections between the first screw, the second screw, the upper support and the lower support.

[0011] Preferably, the cross-section of the large washer is a hollow circle.

[0012] Preferably, the crane hoist includes a running beam, which is installed on a steel structure, with a third pin shaft and a fourth pin shaft installed inside the running beam respectively, and a first box-type running wheel and a second box-type running wheel installed inside the running beam respectively, a driving device installed at one end of the running beam, a guide wheel group installed at the end of the running beam away from the driving device, and screws installed inside the running beam.

[0013] Preferably, the operating mechanism includes a traveling crane, which is installed on a steel structure, a fixing seat is installed on the upper surface of the traveling crane, a movable pulley device is installed on the upper end of the fixing seat, a loose rope detection device is installed on the surface of the movable pulley device, a first guide device is installed on the inner side of the traveling crane, two transmission devices are installed on the upper surface of the traveling crane, a tensioning device is installed inside the transmission device, a second guide device is installed on one side of the traveling crane, two auxiliary components are installed on the upper surface of the traveling crane, a cargo detection deceleration device is installed at the lower end of the traveling crane, a screw pin is installed on one side of the transmission device, a mounting component is installed on the upper surface of the transmission device, two connecting devices are installed on the lower surface of the traveling crane, the transmission device is connected to the traveling crane by means of the connecting device, and a plurality of bolts are installed inside the traveling crane.

[0014] Preferably, the mounting assembly is connected to a crane hanger.

[0015] Preferably, the spacer is made of rubber.

[0016] Compared with the related art, the mobile hoist provided by the utility model has the following beneficial effects:

[0017] The utility model provides a mobile hoisting machine, steel structure: composed of steel structure and trolley track. Provide X-axis motion track for small car; small car: composed of running device, lifting device, pulley device, guide wheel device, overload device, guide wheel group, responsible for providing X-axis and Z-axis movement, scissor fork device: composed of scissor fork device and rising, falling, and top protection device, used to ensure the stability and safety of the equipment during the rising and falling operation; hanger: composed of hook device, pulley device, hanger steel structure, guide device, responsible for grabbing goods. The running part adopts the structure of running beam + drive device + wheel box + guide wheel group. The wheel box makes the overall operation of the small car more stable, safe and reliable. The guide wheel group adopts the eccentric shaft adjustment method to ensure that the wheel box is always centered in the middle of the guide rail, making its operation more reliable. The hook device adopts the rotating lifting method, which is more convenient for lifting in a small space. The guide device is a collection of It has the functions of guidance and detection. A set of guiding devices integrates four detection devices: left and right skew detection of material frame, deceleration detection of cargo detection, cargo detection, and low-position detection of cargo release. During use, the control system issues a command, the small car quickly runs to the corresponding position, the lifting device starts, and the hanger quickly drops. At this time, the cargo detection deceleration detection switch works, the hanger quickly drops to a safe distance from the cargo, and begins to drop slowly. The cargo detection detects the cargo, the hook device runs, and the cargo is grabbed. The lifting device lifts the cargo to the highest position (up limit control). The small car quickly runs to the specified position and executes the cargo release command. At this time, the low-position detection and left and right skew detection devices ensure that the cargo is parked accurately, and the system commands are executed in this way. By setting the overall structure, the mobile hoist can be integrated and simplified. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of the scissor lift device of the present utility model;

[0019] Figure 2 for Figure 1 Schematic diagram of the internal structure shown;

[0020] Figure 3 This is a schematic diagram of the structure of the crane hoist of the utility model;

[0021] Figure 4 It is a schematic diagram of the operating mechanism structure of the utility model.

[0022] Reference numerals in the figure: 1, scissor mechanism; 101, lower support; 102, arm plate; 103, first support tube; 104, lower roller arm; 105, upper support; 106, second support tube; 107, spacer; 108, bushing; 109, first pin; 110, first cotter pin; 111, large washer; 112, nut; 113, bearing; 114, upper roller shaft; 115, first connecting sleeve; 116, second cotter pin; 117, second connecting sleeve; 118, second pin; 119, lower roller shaft; 120, first screw; 121, second screw; 122, guide cone; 123, cone barrel; 2. Crane hoist; 21. Running beam; 22. Guide wheel assembly; 23. Driving device; 24. Third pin shaft; 25. Fourth pin shaft; 26. Screw; 27. First box-type running wheel; 28. Second box-type running wheel; 3. Operating mechanism; 301. Crane hanger; 302. Transmission device; 303. Tensioning device; 304. Movable pulley device; 305. First guide device; 306. Second guide device; 307. Auxiliary component; 308. Loose rope detection device; 309. Cargo detection deceleration device; 310. Screw; 311. Mounting component; 312. Fixing seat; 313. Connecting device; 314. Bolt. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0024] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0025] See also Figures 1 to 4The embodiment of the present invention provides a mobile hoist, comprising: a steel structure, a scissor-fork device 1, a crane hoist 2 and an operating mechanism 3, wherein the scissor-fork device 1, the crane hoist 2 and the operating mechanism 3 are all installed inside the steel structure. Steel structure: It is composed of a steel structure and a trolley track. Provide an X-axis motion track for the small car; the small car: It is composed of an operating device, a lifting device, a pulley device, a guide wheel device, an overload device, and a guide wheel group 22, which is responsible for providing X-axis and Z-axis movement. The scissor-fork device 1 is composed of a scissor-fork device and an ascending, descending, and top-impact protection device, which is used to ensure the stability and safety of the equipment during the ascending and descending operation; the hanger is composed of a hook device, a pulley device, a hanger steel structure, and a guide device, which is responsible for grabbing the goods. The operating part adopts the structure of an operating beam 21 + a driving device 23 + a wheel box + a guide wheel group 22. The wheel box makes the overall operation of the small car more stable, safe and reliable; the guide wheel group 22 adopts an eccentric shaft adjustment method to ensure that the wheel box is always It is centered in the middle of the guide rail, making its operation more reliable; the hook device adopts a rotating lifting method, which is more convenient for lifting in places with narrow spaces; the guide device integrates the guiding and detection functions, and a set of guide devices integrates four detection devices: left and right skew detection of the material frame, deceleration detection of cargo detection, cargo detection, and low-position detection of cargo placement. During use, the control system issues a command, the small car quickly runs to the corresponding position, the lifting device starts, and the hanger quickly descends. At this time, the cargo detection deceleration detection switch works, the hanger quickly descends to a safe distance from the cargo, and begins to descend slowly. The cargo detection detects the cargo, the hook device runs, grabs the cargo, and the lifting device lifts the cargo to the highest position (Up limit control) The small car quickly runs to the designated position and executes the cargo release instruction. At this time, the cargo release low position detection and left and right skew detection devices ensure that the cargo is parked accurately, and the system instructions are executed in this way. The scissor-type device 1 includes a first support tube 103 and a second support tube 106. The first support tube 103 and the second support tube 106 are both installed on the steel structure. The upper and lower ends of the first support tube 103 and the second support tube 106 are respectively installed with an upper support 105 and a lower support 101. The upper surface of the lower support 101 is installed with a guide cone 122. The lower end of the guide cone 122 is threadedly connected to a plurality of second screws 121. The guide cone 122 is connected to the lower support 101 by means of the second screw 121. The arc surface of the guide cone 122 is slidably connected with a cone barrel 123. Several arm plates 102 are installed between the first support tube 103 and the second support tube 106. The first cotter pin 110, the large washer 111 and the nut 112 are installed at the connection between the two arm plates 102. The connection between the arm plate 102 and the upper support 105 is installed with a bearing 113, an upper roller shaft 114, a first connecting sleeve 115 and a second cotter pin 116. The lower end of the lower support 101 is provided with a lower roller arm 104. The connection between the lower roller arm 104 and the lower support 101 is installed with a second connecting sleeve 117, a second pin shaft 118 and a lower roller shaft 119. The upper support 105 is connected to the arm plate 102 through a screw.The connections between the first screw 120 and the second screw 121 and the upper support 105 and the lower support 101 are all provided with spacers 107, and the cross-section of the large washer 111 is hollow circular. The crane hoist 2 includes a running beam 21, which is installed on the steel structure. The third pin 24 and the fourth pin 25 are respectively installed inside the running beam 21, and the first box-type running wheel 27 and the second box-type running wheel 28 are respectively installed inside the running beam 21. A driving device 23 is installed at one end of the running beam 21, and a guide wheel group 22 is installed at the end of the running beam 21 away from the driving device 23. A screw 26 is installed inside the running beam 21. The operating mechanism 3 includes a crane hanger 301, which is installed on the steel structure. A fixed seat 312 is installed on the upper surface of the crane hanger 301, and a movable pulley device 304 is installed on the upper end of the fixed seat 312. A loose rope detection device is installed on the surface of the movable pulley device 304 A first guide device 305 is installed on the inner side of the traveling hanger 301. Two transmission devices 302 are installed on the upper surface of the traveling hanger 301. A tensioning device 303 is installed inside the transmission device 302. A second guide device 306 is installed on one side of the traveling hanger 301. Two auxiliary components 307 are installed on the upper surface of the traveling hanger 301. A cargo detection reduction device 309 is installed at the lower end of the traveling hanger 301. A screw 310 is installed on one side of the transmission device 302. A mounting component 311 is installed on the upper surface of the transmission device 302. Two connecting devices 313 are installed on the lower surface of the traveling hanger 301. The transmission device 302 is connected to the traveling hanger 301 via the connecting devices 313. Several bolts 314 are installed inside the traveling hanger 301. The mounting component 311 is connected to the traveling hanger 301. The spacer 107 is specifically made of rubber.

[0026] The working principle of a mobile hoist provided by the present invention is as follows: The present invention provides a mobile hoist, steel structure: composed of steel structure and trolley track. Provide X-axis motion track for the small car; small car: composed of running device, lifting device, pulley device, guide wheel device, overload device, guide wheel group 22, responsible for providing X-axis and Z-axis movement, scissor fork device 1: composed of scissor fork device and rising, falling, and top protection device, used to ensure the stability and safety of the equipment during the rising and falling operation; hanger: composed of hook device, pulley device, hanger steel structure, guide device, responsible for grabbing goods. The running part adopts the structure of running beam 21 + drive device 23 + wheel box + guide wheel group 22. The wheel box makes the overall operation of the small car more stable, safe and reliable; the guide wheel group 22 adopts the eccentric shaft adjustment method to ensure that the wheel box is always centered in the middle of the guide rail, making its operation more reliable; the hook device adopts the rotating hoisting method, which is more convenient for hoisting in places with narrow space; the guide The device integrates the guiding and detection functions. A set of guiding devices integrates four detection devices: left and right skew detection of material frame, deceleration detection of cargo detection, cargo detection, and low-position detection of cargo release. During use, the control system issues a command, the small car quickly runs to the corresponding position, the lifting device starts, and the hanger quickly drops. At this time, the cargo detection deceleration detection switch works, the hanger quickly drops to a safe distance from the cargo, and begins to slowly drop. The cargo detection detects the cargo, the hook device runs, and the cargo is grabbed. The lifting device lifts the cargo to the highest position (up limit control). The small car quickly runs to the specified position and executes the cargo release command. At this time, the low-position detection and left and right skew detection devices ensure that the cargo is parked accurately, and the system commands are executed in this way. By setting the overall structure, the mobile hoist can be integrated and simplified.

[0027] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0028] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A mobile hoisting machine, characterized in that: include: A steel structure, a scissor-type device (1), a crane hoist (2) and a running mechanism (3), wherein the scissor-type device (1), the crane hoist (2) and the running mechanism (3) are all installed inside the steel structure, wherein the scissor-type device (1) comprises a first support tube (103) and a second support tube (106), wherein the first support tube (103) and the second support tube (106) are both installed on the steel structure, wherein an upper support (105) and a lower support (101) are respectively installed at the upper and lower ends of the first support tube (103) and the second support tube (106), wherein a guide cone (122) is installed on the upper surface of the lower support (101), wherein a plurality of second screw rods (121) are threadedly connected to the lower end of the guide cone (122), wherein the guide cone (122) is connected to the lower support (101) by means of the second screw rods (121), and wherein the guide cone (122) The arc surface of the support tube (103) is slidably connected with a cone barrel (123); a plurality of arm plates (102) are installed between the first support tube (103) and the second support tube (106); a first cotter pin (110), a large washer (111) and a nut (112) are installed at the connection between the two arm plates (102); a bearing (113), an upper roller shaft (114), a first connecting sleeve (115) and a second cotter pin (116) are installed at the connection between the arm plate (102) and the upper support (105); a lower roller arm (104) is provided at the lower end of the lower support (101); a second connecting sleeve (117), a second pin shaft (118) and a lower roller shaft (119) are installed at the connection between the lower roller arm (104) and the lower support (101); and the upper support (105) is connected to the arm plate (102) via a screw.

2. A mobile hoisting machine according to claim 1, characterized in that: A first screw rod (120) is installed on the upper surface of the upper support (105), and spacers (107) are provided at the connection points between the first screw rod (120), the second screw rod (121), the upper support (105) and the lower support (101).

3. The mobile hoisting machine according to claim 1, characterized in that: The cross section of the large gasket (111) is a hollow circle.

4. The mobile hoisting machine according to claim 1, characterized in that: The crane hoist (2) comprises a running beam (21), the running beam (21) is mounted on a steel structure, a third pin shaft (24) and a fourth pin shaft (25) are respectively mounted inside the running beam (21), a first box-type running wheel (27) and a second box-type running wheel (28) are respectively mounted inside the running beam (21), a driving device (23) is mounted at one end of the running beam (21), a guide wheel group (22) is mounted at one end of the running beam (21) away from the driving device (23), and a screw (26) is mounted inside the running beam (21).

5. The mobile hoisting machine according to claim 1, characterized in that: The operating mechanism (3) comprises a traveling crane (301), the traveling crane (301) being mounted on a steel structure, a fixing seat (312) being mounted on the upper surface of the traveling crane (301), a movable pulley device (304) being mounted on the upper end of the fixing seat (312), a loose rope detection device (308) being mounted on the surface of the movable pulley device (304), a first guide device (305) being mounted on the inner side of the traveling crane (301), two transmission devices (302) being mounted on the upper surface of the traveling crane (301), a tensioning device (303) being mounted inside the transmission device (302), and a first guide device (305) being mounted on the inner side of the traveling crane (301). A second guide device (306) is installed on the side of the traveling hanger (301); two auxiliary components (307) are installed on the upper surface of the traveling hanger (301); a cargo detection speed reduction device (309) is installed at the lower end of the traveling hanger (301); a screw pin (310) is installed on one side of the transmission device (302); a mounting component (311) is installed on the upper surface of the transmission device (302); two connecting devices (313) are installed on the lower surface of the traveling hanger (301); the transmission device (302) is connected to the traveling hanger (301) by means of the connecting devices (313); and a plurality of bolts (314) are installed inside the traveling hanger (301).

6. The mobile hoisting machine according to claim 5, characterized in that: The mounting assembly (311) is connected to the crane hanger (301).

7. The mobile hoisting machine according to claim 2, characterized in that: The spacer (107) is specifically made of rubber.

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