CN112027930B

CN112027930B - Fixing device mechanism on cantilever crane

Info

Publication number: CN112027930B
Application number: CN202010989543.6A
Authority: CN
Inventors: 齐梦婷
Original assignee: Zhejiang Lantian Intellectual Property Operation Management Co ltd
Current assignee: Zhejiang Lantian intellectual property operation management Co.,Ltd.
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-04-13
Anticipated expiration: 2040-09-18
Also published as: CN112027930A

Abstract

The invention discloses a fixing device mechanism on a cantilever crane, relates to the technical field of cantilever cranes, and solves the problem that manual hanging and fixing of a control handle are inconvenient as a special matched control handle fixing device is mostly lacked in the conventional crane fixing device. A fixing device mechanism on a cantilever crane comprises a main body support column, wherein the main body support column comprises a gear ring, a rotating seat and a vertical support positioning shaft, the gear ring is welded and sleeved on the top end section of the main body support column, a rotating motor is in meshing transmission with the gear ring, and the rotating seat is rotatably inserted and installed at the topmost end of the main body support column; two vertical support positioning shafts are symmetrically welded on the middle section of the main body support, and a positioning ring is slidably arranged on the two vertical support positioning shafts through a spring pushing sleeve. The invention can drive the control handle to rise and fall only by simple foot lifting and stepping actions, saves more labor compared with hand force application operation, avoids the occupation of both hands, and has quick and convenient operation and use.

Description

Fixing device mechanism on cantilever crane

Technical Field

The invention relates to the technical field of crane equipment, in particular to a fixing device mechanism on a cantilever crane.

Background

The crane is a multi-action hoisting machine for vertically lifting and horizontally transporting heavy objects within a certain range, which is also called a crane, along with the continuous development of economy in China, the application range and the application field of the crane are wider and wider, workpieces in a plurality of machining workshops are transported manually in the past, so that the efficiency is low, certain potential safety hazards exist, and in order to improve the transporting speed and the production and processing efficiency, the crane is installed in the current workshop so as to move the workpieces conveniently.

For example, patent No. CN201610648518.5 discloses a double-beam cantilever crane, which includes a fixed base, the fixed base is provided with a motor A and a gear, an output shaft of the motor A is connected with an input shaft of the reduction box, the upper part of the gear is provided with a telescopic upright post, the lower part of the telescopic upright post is provided with a controller, the top of the telescopic upright post is provided with a fixed block, the left side and the right side of the fixed block are symmetrically provided with a main beam A and a main beam B, the main beam B comprises a telescopic rod, the upper part of the telescopic rod is provided with a levelness detector, the tail end of the telescopic rod is provided with a motor B, the motor B is connected with a lifting pulley, the lifting pulley is connected with a pulley block, the lower part of the pulley block is provided with a lifting hook, the lower part of the telescopic rod is provided with a connecting block A, and the connecting block A is connected with a hydraulic rod; the invention has the advantages of simple structure, reliable operation, low cost and good economical efficiency.

The existing crane mostly lacks a special matched control handle fixing device, so that the manual hanging and fixing of the control handle are inconvenient, the control handle is in a ground-attaching sagging state for a long time when being idle and is in frequent collision contact with equipment and operators, the normal operation of interference hoisting operation is hindered, and the probability of collision damage of the control handle is increased.

Disclosure of Invention

The invention aims to provide a fixing device mechanism on a cantilever crane, which aims to solve the problem that manual hanging and fixing of a control handle are inconvenient because a special matched control handle fixing device is mostly lacked in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a fixing device mechanism on a cantilever crane comprises a main body support column, wherein the main body support column comprises a gear ring, a rotating seat, a vertical support positioning shaft and a positioning sleeve, the gear ring is welded and sleeved on the top end section of the main body support column, a rotating motor is in meshing transmission with the gear ring, and the rotating seat is rotatably inserted and installed at the topmost end of the main body support column; two vertical support positioning shafts are symmetrically welded on the middle section of the main body support, a positioning ring is slidably arranged on the two vertical support positioning shafts through a spring pushing sleeve, and a turntable is rotatably embedded in the positioning ring; the turntable is sleeved and arranged on the adjacent support column section above the top end of the positioning ring; the cantilever comprises a vertical support hanging plate, the rotating base is transversely welded with a cantilever, the bottom of the tail end of the cantilever is fixedly welded with the vertical support hanging plate, and the vertical support hanging plate is tightly provided with a rotating motor; a lifting motor is slidably arranged on the T-shaped sliding strip at the bottom of the cantilever; the hoisting motor comprises a control handle, and the control handle is arranged on the hoisting motor in a hoisting connection manner; the positioning ring comprises a rack, and the bottom of the positioning ring is welded with one rack; the middle section of the main body strut is also supported and welded with a positioning sleeve, the rack penetrates through the positioning sleeve, and the top plug-in is inserted on the positioning sleeve through the spring in a pushing and penetrating manner; the top end of the cantilever is rotatably inserted with a rotating shaft.

Preferably, the turntable comprises a vertical support rod and a rotating ring, the top end of the turntable is welded with the vertical support rod in a supporting manner, the top end section of the vertical support rod is provided with a row of tooth sockets, and the bottom of the turntable is welded with the rotating ring; the rotating ring is rotatably connected with the positioning ring in an embedded mode.

Preferably, the cantilever further comprises a long-strip sliding chute, a long-strip track frame, a cross-brace sliding rod and a cross-brace stress shaft, wherein one cross-brace stress shaft is welded to the left side hanging brace at the bottom of the cantilever, and one long-strip track frame is welded to the right side hanging brace at the bottom of the head end section of the cantilever; the right side position of the vertical supporting hanging plate is penetrated and provided with a long strip sliding groove, and the cross supporting sliding rod is slidably installed on the long strip sliding groove and the long strip track frame.

Preferably, the rotating shaft comprises a wire spool, a pinion is welded and fixed on the tail end section of the rotating shaft, two wire spools are correspondingly sleeved and fixed on the rotating shaft in a front-back corresponding mode, and steel wires are wound on the two wire spools.

Preferably, the rotating seat is provided with a positioning shaft sleeve in a supporting welding mode, the vertical supporting rod is in sliding fit with the positioning shaft sleeve in a penetrating mode, and a row of tooth grooves in the top end of the vertical supporting rod is correspondingly in meshed contact with a tail end pinion of the rotating shaft.

Preferably, the head end and the tail end of the cross-brace sliding rod are respectively fixedly welded with a square sliding block, and the two square sliding blocks are correspondingly matched with the long sliding groove and the long track frame in a sliding manner.

Preferably, the two wire reels are connected with the head end and the tail end of the cross-brace sliding rod through steel wires, and the transmission wire of the control handle sequentially passes through the cross-brace stress shaft and the cross-brace sliding rod to be hung downwards.

Preferably, the top plug-in component is of a continuous vertical folding structure, the head end section of the top plug-in component is of an inclined slicing structure, the beveled head section of the top plug-in component is correspondingly matched with the rack in an inserting mode, and the tail end of the rack is provided with a pedal in a welding mode.

Compared with the prior art, the invention has the beneficial effects that:

1. the cross brace sliding rod can slide up and down and move oppositely to the cross brace stress shaft to lift and lower the transmission wire of the control handle, so that the control handle hangs and slides down when in use and lifts up when not in use, thereby avoiding the frequent collision of the hanging and the ground with equipment and operators and preventing the interference of the normal operation of the hanging operation;

2. the positioning ring and the springs on the two vertical support positioning shafts are used together, the lower pedal can drive the turntable and the vertical support rods to directly slide up and down to control the lifting of the control handle, the lifting of the control handle can be driven by the simple foot lifting and lower pedal actions, the hand power-driven lifting device is more labor-saving compared with the hand power-driven operation, the two hands are not occupied, and the operation and the use are rapid and convenient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a back three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the rotational connection and installation of the positioning ring and the turntable according to the present invention;

FIG. 4 is a schematic view of the turntable structure of the present invention;

FIG. 5 is a schematic view of the retainer ring of the present invention;

FIG. 6 is a schematic diagram of the three-dimensional structure of the bottom of the turntable according to the present invention;

FIG. 7 is a schematic three-dimensional structure of a cross brace sliding bar according to the present invention;

FIG. 8 is a schematic view of the top plug-in configuration of the present invention;

FIG. 9 is an enlarged view of portion A of FIG. 1;

in the figure: 1. a main body pillar; 101. a ring gear; 102. a rotating seat; 103. a vertical supporting positioning shaft; 104. a positioning sleeve; 2. a top plug-in; 3. hoisting a motor; 301. a control handle; 4. positioning rings; 401. a rack; 5. a turntable; 501. a vertical stay bar; 502. rotating the ring; 6. a rotating electric machine; 7. a cantilever; 701. a strip chute; 702. a long track frame; 703. a cross-brace sliding rod; 704. a cross brace stress shaft; 705. vertically supporting the hanger plate; 8. a rotating shaft; 801. and a wire spool.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 9, an embodiment of the present invention includes: a fixing device mechanism on a cantilever crane comprises a main body support column 1, wherein the main body support column 1 comprises a gear ring 101, a rotating seat 102, a vertical support positioning shaft 103 and a positioning sleeve 104, the gear ring 101 is welded and sleeved on the top end section of the main body support column 1, a rotating motor 6 is in meshing transmission with the gear ring 101, and the rotating seat 102 is rotatably inserted and installed at the topmost end of the main body support column 1; two vertical support positioning shafts 103 are symmetrically welded on the middle section of the main body strut 1, a positioning ring 4 is slidably installed on the two vertical support positioning shafts 103 through a spring pushing sleeve, and a turntable 5 is rotatably embedded in the positioning ring 4; the rotary disc 5 is sleeved and transposed on the adjacent support column section above the top end of the positioning ring 4; the cantilever 7 comprises a vertical support hanging plate 705, the rotating base 102 is welded with one cantilever 7 in a horizontal support mode, the bottom of the tail end of the cantilever 7 is fixedly welded with one vertical support hanging plate 705, and the vertical support hanging plate 705 is tightly provided with one rotating motor 6; a lifting motor 3 is slidably arranged on the T-shaped sliding strip at the bottom of the cantilever 7; the hoisting motor 3 comprises a control handle 301, and the control handle 301 is installed on the hoisting motor 3 in a hoisting manner; the positioning ring 4 comprises a rack 401, and the rack 401 is welded at the bottom of the positioning ring 4; a positioning sleeve 104 is also supported and welded on the middle section of the main body strut 1, the rack 401 penetrates through the positioning sleeve 104, and the top plug-in unit 2 is pushed by a spring to penetrate and be inserted on the positioning sleeve 104; the top end of the cantilever 7 is rotatably inserted with a rotating shaft 8.

Further, the turntable 5 comprises a vertical support rod 501 and a rotating ring 502, the top end of the turntable 5 is supported and welded with one vertical support rod 501, the top end section of the vertical support rod 501 is provided with a row of tooth sockets, and the bottom of the turntable 5 is welded with one rotating ring 502; the change 502 with the embedded rotation of position circle 4 and changeing and connect together, position circle 4 rotates with carousel 5 to be connected, can carry out down the pull transmission to the carousel 5 of constantly rotatory adjustment, make the lower pulling force of stepping on of position circle 4 not receive real-time rotatory interference, and position circle 4 and the spring on two vertical braces location axle 103 use together and can step on below and order about carousel 5 and erect the lift of vaulting pole 501 upper and lower footpath straight slip manipulation control handle 301, only need simple lift foot and step on the rise and fall that the action just can exert oneself drive control handle 301 down, it is more laborsaving to exert oneself the operation in the hand relatively, remove the occupation to both hands from, the operation is used swiftly and conveniently.

Further, the cantilever 7 further comprises a long strip sliding chute 701, a long strip track frame 702, a cross brace sliding rod 703 and a cross brace stress shaft 704, wherein the left side of the bottom of the cantilever 7 is welded with the cross brace stress shaft 704, and the right side of the bottom of the head section of the cantilever 7 is welded with the long strip track frame 702; a long sliding groove 701 is formed in the right side of the vertical support hanging plate 705 in a penetrating mode, a cross support sliding rod 703 is installed on the long sliding groove 701 and the long track frame 702 in a sliding mode, the cross support sliding rod 703 can slide up and down and move opposite to a cross support stress shaft 704 to lift and lower a transmission wire of the control handle 301, the control handle 301 is made to hang and slide down when in use and lift up when not in use, frequent collision between the ground and equipment and operators due to hanging and pressing close to the ground is avoided, and normal operation of hanging operation interference is prevented.

Further, the rotating shaft 8 comprises a wire spool 801, a pinion is welded and fixed on the tail end section of the rotating shaft 8, two wire spools 801 are sleeved and fixed on the rotating shaft 8 in a front-back corresponding mode, steel wires are wound on the two wire spools 801, and the two wire spools 801 rotate forward and backward to control the cross-brace sliding rod 703 to slide up and down.

Furthermore, a positioning shaft sleeve is supported and welded on the rotating seat 102, the vertical supporting rod 501 penetrates through the positioning shaft sleeve to be in sliding fit with the positioning shaft sleeve, a row of tooth grooves at the top end of the vertical supporting rod 501 correspondingly contacts with a tail end pinion of the rotating shaft 8 in a meshing manner, and the vertical supporting rod 501 can be vertically in sliding meshing engagement to control the rotating shaft 8 to rotate positively and negatively.

Further, the front end and the rear end of the cross-brace sliding rod 703 are respectively fixedly welded with a square sliding block, the two square sliding blocks are correspondingly matched with the long sliding groove 701 and the long track frame 702 in a sliding manner, the square sliding blocks at the two ends of the cross-brace sliding rod 703 can have a limiting effect, and the cross-brace sliding rod 703 can be prevented from twisting in the up-and-down sliding process.

Furthermore, the two wire reels 801 are connected with the head and tail ends of the cross-brace sliding rod 703 through steel wires, and the transmission wires of the control handle 301 sequentially pass through the cross-brace stress shaft 704 and the cross-brace sliding rod 703 to be hung downwards.

Further, the top plug-in 2 is of a continuous vertical folding structure, the head end section of the top plug-in 2 is of an inclined slicing structure, the beveled head section of the top plug-in 2 is correspondingly matched with the rack 401 in an inserting mode, the tail end of the rack 401 is welded with a pedal, and the top plug-in 2 can be used for inserting and positioning the rack 401 in real time to enable the control handle 301 to be kept at the height after lifting adjustment.

The working principle is as follows: the positioning ring 4 is rotatably connected with the turntable 5, and can transfer the downward pulling force of the turntable 5 which is continuously rotated and adjusted, so that the downward stepping pulling force of the positioning ring 4 is not interfered by real-time rotation, the positioning ring 4 and springs on two vertical support positioning shafts 103 can be used together to drive the turntable 5 and the vertical support rods 501 to directly slide up and down to control the lifting of the control handle 301, and the top plug-in unit 2 can be inserted with the positioning rack 401 in real time to keep the control handle 301 at the height after lifting adjustment;

when the control handle 301 is used, the top plug-in 2 is pulled out, the springs on the two vertical support positioning shafts 103 push the positioning ring 4 and the turntable 5 upwards to slide, when the turntable 5 slides upwards, the springs can be meshed and contacted with a tail end pinion of the rotating shaft 8 and drive the rotating shaft 8 to rotate reversely, and when the rotating shaft 8 rotates reversely, the steel wires on the two wire winding discs 801 are driven to rotate and release, so that the cross support sliding rods 703 and the transmission wires slide downwards, and the control handle 301 is lowered to a drooping use posture;

when retracting up brake lever 301, the foot steps on down rack 401, rack 401 can drive position circle 4 and carousel 5 lapse, carousel 5 can order about 8 corotation of pivot when gliding, 8 corotation of pivot can drive two wire reels 801 and tighten up the steel wire winding, and make the stull slide bar 703 go up, when the stull slide bar 703 goes up to slide, can carry out the lifting upwards to transmission line and brake lever 301 with stull atress axle 704 relative motion, avoid brake lever 301 to hang and press close to ground and equipment and operating personnel frequent collision, the normal clear that hinders the hoist and mount operation.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fixing device mechanism on cantilever crane which characterized in that: the main body supporting column comprises a main body supporting column (1), wherein the main body supporting column (1) comprises a gear ring (101), a rotating seat (102), a vertical support positioning shaft (103) and a positioning sleeve (104), the gear ring (101) is welded and sleeved on the top end section of the main body supporting column (1), a rotating motor (6) is in meshing transmission with the gear ring (101), and the rotating seat (102) is rotatably inserted and installed at the topmost end of the main body supporting column (1); two vertical support positioning shafts (103) are symmetrically welded on the middle section of the main body strut (1), a positioning ring (4) is slidably mounted on the two vertical support positioning shafts (103) through a spring pushing sleeve, and a turntable (5) is rotatably embedded in the positioning ring (4); the rotary disc (5) is sleeved and transposed on the adjacent support column section above the top end of the positioning ring (4); a cantilever (7) is welded on the rotating seat (102) in an upper cross bracing manner, the cantilever (7) comprises a vertical bracing hanging plate (705), the bottom of the tail end of the cantilever (7) is fixedly welded with the vertical bracing hanging plate (705), and a rotating motor (6) is tightly installed on the vertical bracing hanging plate (705); a lifting motor (3) is arranged on the T-shaped sliding strip at the bottom of the cantilever (7) in a sliding manner; the hoisting motor (3) comprises a control handle (301), and the control handle (301) is installed on the hoisting motor (3) in a hoisting manner; the positioning ring (4) comprises a rack (401), and the rack (401) is welded at the bottom of the positioning ring (4); the middle section of the main body strut (1) is also supported and welded with a positioning sleeve (104), the rack (401) penetrates through the positioning sleeve (104), and the top plug-in component (2) is pushed by a spring to penetrate and be inserted on the positioning sleeve (104); the top end of the cantilever (7) is rotatably inserted with a rotating shaft (8);

the cantilever (7) further comprises a long strip sliding groove (701), a long strip track frame (702), a cross brace sliding rod (703) and a cross brace stress shaft (704), wherein the cross brace stress shaft (704) is welded on the left side of the bottom of the cantilever (7), and the long strip track frame (702) is welded on the right side of the bottom of the head section of the cantilever (7); a long sliding groove (701) is formed in the right side of the vertical support hanging plate (705) in a penetrating mode, and a cross support sliding rod (703) is installed on the long sliding groove (701) and the long track frame (702) in a sliding mode;

the rotating shaft (8) comprises wire reels (801), a pinion is welded and fixed on the tail end section of the rotating shaft (8), the rotating shaft (8) is sleeved and fixed with the two wire reels (801) in a front-back corresponding mode, and the two wire reels (801) are wound with steel wires;

the two wire reels (801) are connected with the head end and the tail end of the cross-brace sliding rod (703) through steel wires, and the transmission wire of the control handle (301) sequentially passes through the cross-brace stress shaft (704) and the cross-brace sliding rod (703) to be hung downwards.

2. The upper fixture mechanism of a cantilever crane according to claim 1, wherein: the turntable (5) comprises a vertical support rod (501) and a rotary ring (502), the top end of the turntable (5) is supported and welded with one vertical support rod (501), the top end section of the vertical support rod (501) is provided with a row of tooth sockets, and the bottom of the turntable (5) is welded with one rotary ring (502); the rotating ring (502) is embedded in the positioning ring (4) and is connected with the positioning ring in a rotating mode.

3. The upper fixing device mechanism of the cantilever crane according to claim 2, wherein: the rotary seat (102) is supported and welded with a positioning shaft sleeve, the vertical support rod (501) is in sliding fit with the positioning shaft sleeve in a penetrating mode, and a row of tooth grooves in the top end of the vertical support rod (501) are correspondingly in meshed contact with a tail end pinion of the rotary shaft (8).

4. The upper fixture mechanism of a cantilever crane according to claim 1, wherein: the front end and the rear end of the cross-brace sliding rod (703) are fixedly welded with a square sliding block, and the two square sliding blocks are correspondingly matched with the long sliding groove (701) and the long track frame (702) in a sliding manner.

5. The upper fixture mechanism of a cantilever crane according to claim 1, wherein: the top plug-in (2) is of a continuous vertical folding structure, the head section of the top plug-in (2) is of an inclined slicing structure, the beveled head section of the top plug-in (2) is correspondingly matched with the rack (401) in an inserting mode, and the tail end of the rack (401) is provided with a pedal in a welding mode.