CN110902584A - Anti-collision protection device for truck-mounted crane - Google Patents

Anti-collision protection device for truck-mounted crane Download PDF

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Publication number
CN110902584A
CN110902584A CN201911234489.8A CN201911234489A CN110902584A CN 110902584 A CN110902584 A CN 110902584A CN 201911234489 A CN201911234489 A CN 201911234489A CN 110902584 A CN110902584 A CN 110902584A
Authority
CN
China
Prior art keywords
fixedly connected
rope
fixing
block
support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911234489.8A
Other languages
Chinese (zh)
Inventor
郑昇
周磊
郑斌
黄金辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUNAN BAITE SUICHE CRANE Co Ltd
Original Assignee
HUNAN BAITE SUICHE CRANE Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HUNAN BAITE SUICHE CRANE Co Ltd filed Critical HUNAN BAITE SUICHE CRANE Co Ltd
Priority to CN201911234489.8A priority Critical patent/CN110902584A/en
Publication of CN110902584A publication Critical patent/CN110902584A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/88—Safety gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00—Safety gear
    • B66C15/04—Safety gear for preventing collisions, e.g. between cranes or trolleys operating on the same track
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2238/00—Type of springs or dampers
    • F16F2238/02—Springs
    • F16F2238/026—Springs wound- or coil-like

Abstract

The invention relates to the technical field of truck-mounted cranes, and discloses an anti-collision protection device for a truck-mounted crane, which comprises: a support frame; the supporting plate is fixedly connected to the top end of the supporting frame through a screw; the two connecting plates are fixedly connected to the front side and the rear side of the top of the supporting plate; the rotating shaft is rotatably connected between the two connecting plates through a bearing; the reel and two gears, the reel and two gears all fix the surface of cup jointing at the axis of rotation, just the reel is located between two gears. According to the invention, the lifting device mechanism is blocked by the elasticity of the second return spring and decelerated by arranging the support frame, the support plate, the connecting plate, the rotating shaft, the reel, the gear, the rope, the sleeve, the fixing box, the sliding rod, the sliding block, the first support, the fixing block, the second support, the support rod, the wire through hole, the second return spring and the limiting block, so that the damage caused by the over-high speed of the lifting device mechanism in collision is avoided.

Description

Anti-collision protection device for truck-mounted crane
Technical Field
The invention relates to the technical field of truck-mounted cranes, in particular to an anti-collision protection device for a truck-mounted crane.
Background
In the crane industry, the types of cranes can be classified into truck cranes and truck cranes, depending on the operating envelope. The truck-mounted crane is a device for lifting, rotating and hoisting goods through a hydraulic lifting and telescopic system, and is usually assembled on a truck.
The existing truck-mounted crane has some defects in some aspects and needs further improvement, and when the existing truck-mounted crane is used for lifting goods, the lifting appliance mechanism continuously rises to collide with the top to cause equipment damage due to no anti-collision protection device, so that manual operation is not carried out correctly.
Disclosure of Invention
Technical problem to be solved
In order to solve the problems in the prior art, the invention provides an anti-collision protection device for a truck crane.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
an anti-collision protection device for a truck crane, comprising:
a support frame;
the supporting plate is fixedly connected to the top end of the supporting frame through a screw;
the two connecting plates are fixedly connected to the front side and the rear side of the top of the supporting plate;
the rotating shaft is rotatably connected between the two connecting plates through a bearing;
the reel and the two gears are fixedly sleeved on the surface of the rotating shaft, and the reel is positioned between the two gears;
one end of the rope is connected with the traction mechanism, the other end of the rope is connected with the lifting appliance mechanism, and the rope is wound on the surface of the winding wheel;
the four telescopic rods are fixedly connected to the bottom of the supporting plate in a rectangular shape;
the fixing plate is fixedly connected to one ends of the four telescopic rods far away from the supporting plate;
the sleeve is embedded at the top of the fixing plate, and the rope penetrates through the sleeve;
the two fixing boxes are fixedly connected to the left side and the right side of the bottom of the supporting plate;
the sliding rod is fixedly connected inside the fixed box;
the sliding block is arranged inside the fixed box and is sleeved on the surface of the sliding rod;
the first support is fixedly connected to the bottom of the sliding block;
the fixed block is sleeved on the surface of the rope;
the two second supports are fixedly connected to the left side and the right side of the fixed block;
the two ends of the supporting rod are hinged to the first support and the second support through rotating shafts respectively.
In a further embodiment, the front side and the rear side of the left side of the top of the fixing plate are fixedly connected with connecting rods, one ends, far away from the fixing plate, of the connecting rods penetrate through the supporting plate and are fixedly connected with toothed plates, and the toothed plates can be meshed with the gears.
In a further embodiment, through holes are formed in the front side and the rear side of the left side of the top of the supporting plate, and the supporting rod penetrates through the through holes.
In a further embodiment, a through hole is formed in the middle of the top surface of the supporting plate, and the rope is arranged inside the through hole in a penetrating mode.
In a further embodiment, two clamping rings are fixedly sleeved on the surface of the telescopic rod, a first return spring is fixedly connected between the two clamping rings, and the first return spring is sleeved on the surface of the telescopic rod.
In a further embodiment, a second return spring is fixedly connected between the sliding block and the side wall of the fixed box, and the second return spring is sleeved on the surface of the sliding rod.
In a further embodiment, a limiting block is fixedly sleeved at the bottom end of the rope and is positioned below the fixing block.
In a further embodiment, a fixing rod is fixedly connected between the two telescopic rods and on the right side of the bottom of the supporting plate, and a stop block is fixedly connected to the bottom end of the fixing rod.
(III) advantageous effects
The invention provides an anti-collision protection device for a truck mounted crane. The method has the following beneficial effects:
(1) the anti-collision protection device for the truck-mounted crane comprises a support frame, a support plate, a connecting plate, a rotating shaft, a reel, a gear, a rope, a sleeve, a fixing box, a sliding rod, a sliding block, a first support, a fixing block, a second support, a support rod, a through hole, a second reset spring and a limiting block, wherein the rope is pulled through a traction mechanism, the rope is wound on the surface of the reel, so that the pulling of the rope drives the reel to rotate on the surface of the rotating shaft, meanwhile, a lifting appliance mechanism is lifted, when an operator is out of operation, the traction mechanism pulls the rope, at the moment, the limiting block fixed on the surface of the rope is in contact with the fixing block and drives the fixing block to move upwards, the fixing block moves upwards to drive the support rods on two sides to rotate, the length of the support rods is unchanged, so that the two first supports, therefore, the two sliding blocks are far away from each other, the second return spring compresses, the lifting of the lifting appliance mechanism is blocked by the elastic force of the second return spring, the lifting appliance mechanism is decelerated, and the lifting appliance mechanism is prevented from being damaged due to the fact that the speed of the lifting appliance mechanism is too high when collision occurs.
(2) The anti-collision protection device for the truck-mounted crane comprises gears, a telescopic rod, a fixed plate, a connecting rod, a toothed plate, a through hole, a clamping ring, a first reset spring, a fixed rod and a stop block, wherein after a limiting block for fixing the surface of a rope is contacted with the fixed block, the fixed plate can be provided with upward slow movement until a sliding block in the fixed box slides to the stop position, the fixed plate can rapidly move upwards, the telescopic rod and the first reset spring contract at the moment, the lifting of a lifting tool mechanism is further decelerated through the elastic action of the first reset spring, meanwhile, the toothed plate at the top of the connecting rod is driven to move upwards after the fixed plate is lifted, the toothed plate moves upwards to be meshed with the gears on the surface of a rotating shaft, so that the rotating shaft cannot be used, a reel stops rotating, the rope is wound on the surface of the reel, so that the pulling of, the fixed plate can be blocked to move upwards, so that the condition that the lifting appliance mechanism continuously rises to collide with the top to cause equipment damage when manual operation is failed can be avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of a reel and gear according to the present invention;
fig. 3 is a schematic view of the internal structure of the fixing box of the present invention.
[ description of reference ]
In the figure: the device comprises a support frame 1, a support plate 2, a connecting plate 3, a rotating shaft 4, a reel 5, a gear 6, a rope 7, an expansion rod 8, a fixing plate 9, a sleeve 10, a fixing box 11, a sliding rod 12, a sliding block 13, a first support 14, a fixing block 15, a second support 16, a supporting rod 17, a connecting rod 18, a toothed plate 19, a through hole 20, a through hole 21, a snap ring 22, a first return spring 23, a second return spring 24, a limiting block 25, a fixing rod 26 and a stop block 27.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the present invention provides a technical solution: an anti-collision protection device for a truck crane, comprising:
a support frame 1;
the supporting plate 2 is fixedly connected to the top end of the supporting frame 1 through a screw;
the two connecting plates 3 are fixedly connected to the front side and the rear side of the top of the supporting plate 2;
the rotating shaft 4 is rotatably connected between the two connecting plates 3 through a bearing;
the reel 5 and the two gears 6 are fixedly sleeved on the surface of the rotating shaft 4, and the reel 5 is positioned between the two gears 6;
a rope 7, one end of the rope 7 is connected with the traction mechanism, the other end of the rope 7 is connected with the hanger mechanism, and the rope 7 is wound on the surface of the reel 5;
the four telescopic rods 8 are fixedly connected to the bottom of the supporting plate 2 in a rectangular shape;
the fixing plate 9 is fixedly connected to one ends, far away from the supporting plate 2, of the four telescopic rods 8;
the sleeve 10 is embedded at the top of the fixing plate 9, and the rope 7 penetrates through the sleeve 10;
the two fixing boxes 11 are fixedly connected to the left side and the right side of the bottom of the supporting plate 2;
the sliding rod 12, the sliding rod 12 is fixedly connected inside the fixed box 11;
the sliding block 13 is arranged inside the fixed box 11, and the sliding block 13 is sleeved on the surface of the sliding rod 12;
the first support 14 is fixedly connected to the bottom of the sliding block 13, the first support 14 penetrates through a bottom plate of the fixed box 11, and the first support 14 can slide left and right in the fixed box 11;
the fixed block 15, the fixed block 15 is connected on the surface of the rope 7 in a sleeving manner;
the two second supports 16 are fixedly connected to the left side and the right side of the fixed block 15;
two ends of the support rod 17 are hinged with the first support 14 and the second support 16 through rotating shafts respectively.
In one embodiment, the connecting rod 18 is fixedly connected to the front side and the rear side of the left side of the top of the fixing plate 9, one end of the connecting rod 18, which is far away from the fixing plate 9, penetrates through the supporting plate 2 and is fixedly connected with a toothed plate 19, and the toothed plate 19 can be meshed with the gear 6, so that the rotating shaft 4 stops rotating through the meshing of the toothed plate 19 and the gear 6, and the traction mechanism is prevented from continuously pulling the rope 7 to move.
In one embodiment, through holes 20 are formed in the front side and the rear side of the left side of the top of the support plate 2, and the support rod 17 is inserted into the through holes 20 and used for moving the support rod 17 up and down.
In one embodiment, a through hole 21 is formed in the middle of the top surface of the support plate 2, and the rope 7 is inserted into the through hole 21 for moving the rope 7 up and down.
In one embodiment, two snap rings 22 are fixedly sleeved on the surface of the telescopic rod 8, a first return spring 23 is fixedly connected between the two snap rings 22, and the first return spring 23 is sleeved on the surface of the telescopic rod 8 and used for reducing the speed of the lifting of the fixing plate 9.
In one embodiment, a second return spring 24 is fixedly connected between the sliding block 13 and the side wall of the fixed box 11, and the second return spring 24 is sleeved on the surface of the sliding rod 12 for decelerating the ascending of the fixed plate 9.
In one embodiment, the bottom end of the rope 7 is fixedly sleeved with a limiting block 25, the limiting block 25 is located below the fixing block 15, and the limiting block 25 can promote the whole anti-collision protection device to start to operate.
In one embodiment, a fixing rod 26 is fixedly connected to the right side of the bottom of the supporting plate 2 and located between the two telescopic rods 8, and a stopper 27 is fixedly connected to the bottom end of the fixing rod 26 for stopping the fixing plate 9 from moving upwards.
The working principle is as follows: the rope 7 is pulled through the traction mechanism, because the rope 7 is wound on the surface of the reel 5, the reel 5 is driven to rotate on the surface of the rotating shaft 4 by the pulling of the rope 7, meanwhile, the lifting appliance mechanism is lifted, when an operator is mishandled, the rope 7 is pulled by the traction mechanism, at the moment, because the limiting block 25 fixed on the surface of the rope 7 is in contact with the fixed block 15 and drives the fixed block 15 to move upwards, the fixed block 15 moves upwards to drive the supporting rods 17 on the two sides to rotate, the length of the supporting rods 17 is unchanged, so that the two first supports 14 are far away from each other, the first supports 14 are fixedly connected with the sliding blocks 13, therefore, the two sliding blocks 13 are far away from each other, at the moment, the second return spring 24 is compressed, the lifting appliance mechanism is blocked by the elasticity of the second return spring 24 to decelerate the lifting appliance mechanism, and meanwhile, when the limiting block 25, the fixed plate 9 will move upward slowly until the slide block 13 in the fixed box 11 slides to stop, the fixing plate 9 will move upward rapidly, at this time, the telescopic rod 8 and the first return spring 23 contract, the lifting of the spreader mechanism is further decelerated by the elastic action of the first return spring 23, at the same time, the fixed plate 9 is lifted to drive the toothed plate 19 at the top of the connecting rod 18 to move upwards, the toothed plate 19 moves upwards to be meshed with the gear 6 on the surface of the rotating shaft 4, so that the rotating shaft 4 cannot rotate, therefore, the reel 5 stops rotating, and the rope 7 is wound around the surface of the reel 5, thus stopping the pulling of the rope 7 by the traction mechanism, meanwhile, the fixing rod 26 is matched with the stop block 17 to block the fixing plate 9 from moving upwards, therefore, the problem that the lifting appliance mechanism continuously rises to collide with the top to cause equipment damage when manual operation is failed can be avoided.
To sum up, the anti-collision protection device for the truck-mounted crane is characterized in that the support frame 1, the support plate 2, the connecting plate 3, the rotating shaft 4, the reel 5, the gear 6, the rope 7, the sleeve 10, the fixing box 11, the slide rod 12, the slide block 13, the first support 14, the fixing block 15, the second support 16, the support rod 17, the through hole 21, the second return spring 24 and the limit block 25 are arranged, the rope 7 is pulled through the traction mechanism, the rope 7 is wound on the surface of the reel 5, so that the pull of the rope 7 drives the reel 5 to rotate on the surface of the rotating shaft 4, meanwhile, the lifting appliance mechanism is lifted, when an operator operates the rope 7 in a wrong way, the traction mechanism pulls the rope 7, at the moment, the limit block 25 fixed on the surface of the rope 7 is in contact with the fixing block 15 and drives the fixing block 15 to move upwards, the, and the length of bracing piece 17 is unchangeable, consequently makes two first supports 14 keep away from each other, and first support 14 and slider 13 fixed connection, consequently two sliders 13 keep away from each other, and second reset spring 24 compresses this moment, rises to block the hoist mechanism through the elasticity of second reset spring 24, slows down to it, and hoist mechanism speed is too fast and causes the damage when avoiding colliding.
Meanwhile, by arranging the gear 6, the telescopic rod 8, the fixing plate 9, the connecting rod 18, the toothed plate 19, the through hole 20, the snap ring 22, the first return spring 23, the fixing rod 26 and the stopper 27, after the limiting block 25 fixed on the surface of the rope 7 is contacted with the fixing block 15, the fixing plate 9 can move upwards and slowly until the sliding block 13 in the fixing box 11 slides to a stop, the fixing plate 9 can move upwards quickly, at the moment, the telescopic rod 8 and the first return spring 23 contract, the lifting of the lifting appliance mechanism is further decelerated through the elastic action of the first return spring 23, meanwhile, the toothed plate 19 at the top of the connecting rod 18 is driven to move upwards after the fixing plate 9 is lifted, the toothed plate 19 moves upwards to be meshed with the gear 6 on the surface of the rotating shaft 4, so that the rotating shaft 4 cannot rotate, the reel 5 stops rotating, and the rope 7 is wound on the surface of the reel 5, so that, meanwhile, the fixing rod 26 and the stop block 17 are matched to block the fixing plate 9 from moving upwards, so that the problem that the lifting appliance mechanism continuously rises to collide with the top to cause equipment damage when manual operation is failed can be avoided.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an anticollision protection device that lorry-mounted hung usefulness which characterized in that includes:
a support frame (1);
the supporting plate (2) is fixedly connected to the top end of the supporting frame (1) through screws;
the two connecting plates (3) are fixedly connected to the front side and the rear side of the top of the supporting plate (2);
the rotating shaft (4) is rotatably connected between the two connecting plates (3) through a bearing;
the device comprises a reel (5) and two gears (6), wherein the reel (5) and the two gears (6) are fixedly sleeved on the surface of a rotating shaft (4), and the reel (5) is positioned between the two gears (6);
a rope (7), one end of the rope (7) is connected with a traction mechanism, the other end of the rope (7) is connected with a hanger mechanism, and the rope (7) is wound on the surface of the reel (5);
the four telescopic rods (8) are fixedly connected to the bottom of the supporting plate (2) in a rectangular shape;
the fixing plate (9), the fixing plate (9) is fixedly connected to one ends of the four telescopic rods (8) far away from the supporting plate (2);
the sleeve (10) is embedded at the top of the fixing plate (9), and the rope (7) penetrates through the sleeve (10);
the two fixing boxes (11), the two fixing boxes (11) are fixedly connected to the left side and the right side of the bottom of the supporting plate (2);
the sliding rod (12), the sliding rod (12) is fixedly connected to the inside of the fixed box (11);
the sliding block (13), the sliding block (13) is arranged inside the fixed box (11), and the sliding block (13) is sleeved on the surface of the sliding rod (12);
the first support (14), the said first support (14) is connected to the bottom of the slide block (13) fixedly;
the fixing block (15), the said fixing block (15) is connected to the surface of the rope (7) in a sleeving manner;
the two second supports (16), the two second supports (16) are fixedly connected to the left side and the right side of the fixed block (15);
the two ends of the supporting rod (17) are hinged to the first support (14) and the second support (16) through rotating shafts respectively.
2. An anti-collision protection device for a truck crane according to claim 1, characterized in that: the left front side and the rear side of the top of the fixing plate (9) are fixedly connected with connecting rods (18), one end, far away from the fixing plate (9), of each connecting rod (18) penetrates through the supporting plate (2) and is fixedly connected with a toothed plate (19), and the toothed plates (19) can be meshed with the gears (6).
3. An anti-collision protection device for a truck crane according to claim 2, characterized in that: through-hole (20) have all been seted up to both sides around backup pad (2) top left, just bracing piece (17) wear to locate the inside of through-hole (20).
4. An anti-collision protection device for a truck crane according to claim 3, characterized in that: the middle part of the top surface of the supporting plate (2) is provided with a through hole (21), and the rope (7) penetrates through the inside of the through hole (21).
5. An anti-collision protection device for a truck crane according to claim 4, characterized in that: the surface fixing of telescopic link (8) has cup jointed two snap rings (22), two fixedly connected with reset spring (23) between snap ring (22), just reset spring (23) cup joints the surface at telescopic link (8).
6. An anti-collision protection device for a truck crane according to claim 5, characterized in that: and a second return spring (24) is fixedly connected between the sliding block (13) and the side wall of the fixed box (11), and the second return spring (24) is sleeved on the surface of the sliding rod (12).
7. An anti-collision protection device for a truck crane according to claim 6, characterized in that: the bottom end of the rope (7) is fixedly sleeved with a limiting block (25), and the limiting block (25) is located below the fixing block (15).
8. An anti-collision protection device for a truck crane according to claim 7, characterized in that: the right side of backup pad (2) bottom just is located fixedly connected with dead lever (26) between two telescopic links (8), just the bottom fixedly connected with dog (27) of dead lever (26).
CN201911234489.8A 2019-12-05 2019-12-05 Anti-collision protection device for truck-mounted crane Pending CN110902584A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911234489.8A CN110902584A (en) 2019-12-05 2019-12-05 Anti-collision protection device for truck-mounted crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911234489.8A CN110902584A (en) 2019-12-05 2019-12-05 Anti-collision protection device for truck-mounted crane

Publications (1)

Publication Number Publication Date
CN110902584A true CN110902584A (en) 2020-03-24

Family

ID=69822859

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911234489.8A Pending CN110902584A (en) 2019-12-05 2019-12-05 Anti-collision protection device for truck-mounted crane

Country Status (1)

Country Link
CN (1) CN110902584A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112374395A (en) * 2020-11-14 2021-02-19 徐州长航科技有限公司 Height limiter for crane
CN113697661A (en) * 2021-08-31 2021-11-26 宁波意宁码头经营有限公司 Portal crane operation state visualization system and visualization method thereof
CN117800206A (en) * 2024-02-26 2024-04-02 山东中建众力机械工程有限公司 Overload-preventing hanging structure for tower crane

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112374395A (en) * 2020-11-14 2021-02-19 徐州长航科技有限公司 Height limiter for crane
CN113697661A (en) * 2021-08-31 2021-11-26 宁波意宁码头经营有限公司 Portal crane operation state visualization system and visualization method thereof
CN113697661B (en) * 2021-08-31 2023-12-12 宁波意宁码头经营有限公司 Portal crane operation state visualization system and visualization method thereof
CN117800206A (en) * 2024-02-26 2024-04-02 山东中建众力机械工程有限公司 Overload-preventing hanging structure for tower crane

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Application publication date: 20200324