CN112794218B - Self-loading and unloading foldable tower crane - Google Patents
Self-loading and unloading foldable tower crane Download PDFInfo
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- CN112794218B CN112794218B CN202110147086.0A CN202110147086A CN112794218B CN 112794218 B CN112794218 B CN 112794218B CN 202110147086 A CN202110147086 A CN 202110147086A CN 112794218 B CN112794218 B CN 112794218B
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- 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
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
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- 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
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
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Abstract
The invention discloses a self-loading and unloading foldable tower crane, which structurally comprises the following components: the invention realizes that truss suspension arms, gradient counterweight frame blocks, folding carriage frames, cabs and tower body rod frames are matched by using the truss suspension arms and the gradient counterweight frame blocks, and by forming the linkage operation effects of superposition of a lattice bag groove support and a narrow carriage seat on a suspension arm frame groove frame-lower gradient frame groove and clamping frames in the gradient isolation groove blocks, the superposition sliding of the gradient isolation groove blocks and the folding self-loading and unloading materials of the folding carriage frames form a pressure balance slow-release fine-tuning operation effect, so that the phenomenon of closing and breaking and tipping is prevented, the stable and safe lifting operation effect is improved, the suspension arm loss prevention degree of the tower crane is reduced, and the durability of continuous self-loading and unloading of equipment is improved.
Description
Technical Field
The invention relates to a self-loading and unloading foldable tower crane, and belongs to the field of machinery.
Background
The crane divides the high extension hoist of movable hoist crane and tower construction equipment, and the self balance adjustment of tower crane formula hoist needs the firm of the horizontal frame of balancing weight adaptation, and follow-up hoist and mount self-discharging material formation traction cable wire linkage operation, guarantee the convenience of equipment and the flexibility of eminence transport material, and the shortcoming of waiting to optimize of prior art public has:
the balancing weight of the self-loading and unloading foldable tower crane is hoisted and arranged in a blocking manner, so that the folding truss is matched with loading and unloading lifting adjustment personnel to cause the risk of tilting cross beams or crushing cross beams which are extruded by one-time stress, the loss of the suspension arm is serious when the secondary tower crane is used, and the transverse telescopic folding gradient layer of the suspension arm can be assembled by simply pressing the balancing weight column blocks, so that the phenomenon that the crane frame is consumed by the uniform stress and loading and unloading force diffusion of the integral truss is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a self-loading and unloading foldable tower crane so as to solve the problems that a folding truss is matched with loading and unloading lifting adjustment personnel to cause the risk of tilting beams or crushing beams which are extruded by one-time stress, so that the consumption of a suspension arm is serious when the secondary tower crane is used, and the transverse telescopic folding gradient layer of the suspension arm can be assembled due to the simple pressing buckle of a counterweight column block, so that the phenomenon that the crane frame is consumed due to the even stress and the diffusion of the loading and unloading strength of the integral truss is influenced.
In order to achieve the above object, the present invention is realized by the following technical scheme: a self-loading and unloading foldable tower crane structurally comprises: truss davit, gradient counter weight frame piece, folding balladeur train frame, driver's cabin, body of a tower pole frame, gradient counter weight frame piece nestification is in the lower left corner of truss davit and mutually perpendicular, gradient counter weight frame piece adopts clearance fit with folding balladeur train frame, truss davit is hugged closely together and is on same surface of water line with folding balladeur train frame, the driver's cabin nestification is on the top of body of a tower pole frame and is on same vertical face, folding balladeur train frame and driver's cabin mechanical connection and mutually perpendicular, gradient counter weight frame piece is equipped with check bag groove support, narrow carriage seat, gradient spacer groove piece, check bag groove support installs under the bottom of narrow carriage seat and is on same vertical face, narrow carriage seat and gradient spacer groove piece mechanical connection, check bag groove support and narrow carriage seat all install in the inside of narrow carriage seat, narrow carriage seat nestification is in the lower left corner of truss davit and mutually perpendicular.
In order to optimize the technical scheme, the further measures are as follows:
as a further improvement of the invention, the grid cell groove bracket consists of an ellipsoidal flat cell groove and a slide bar plate truss, wherein more than two ellipsoidal flat cell grooves are arranged and are all arranged in the slide bar plate truss, and the ellipsoidal flat cell groove and the slide bar plate truss are mechanically connected and are positioned on the same vertical plane.
As a further improvement of the invention, the ellipsoidal flat bag groove consists of flat ellipsoidal cushion blocks and pinch roller column caps, wherein the pinch roller column caps are provided with two pinch roller column caps and are respectively arranged on the upper side and the lower side of the flat ellipsoidal cushion blocks, and the flat ellipsoidal cushion blocks and the pinch roller column caps are buckled together and are positioned on the same vertical surface.
As a further improvement of the invention, the narrow sliding frame seat consists of a narrow folding frame column plate and sliding pressing plates, wherein the two sliding pressing plates are respectively arranged on the upper side and the lower side of the narrow folding frame column plate, and the narrow folding frame column plate and the sliding pressing plates are nested into a whole and are positioned on the same vertical plane.
As a further improvement of the invention, the narrow folding frame column plate consists of a needle seat folding plate and a reed wire ball cap groove, wherein the needle seat folding plate is arranged below the bottom of the reed wire ball cap groove, and the needle seat folding plate and the reed wire ball cap groove are of an integrated structure and are positioned on the same vertical surface.
As a further improvement of the truss suspension arm, the truss suspension arm consists of a pressing and buckling block and a suspension arm frame groove frame, wherein the pressing and buckling block is arranged at the lower left corner of the suspension arm frame groove frame, and the pressing and buckling block and the suspension arm frame groove frame are buckled together and are mutually perpendicular.
As a further improvement of the invention, the buckling block consists of a bent rod wheel seat and a transverse plate buckling groove block, wherein the bent rod wheel seat is arranged in the transverse plate buckling groove block, and the bent rod wheel seat and the transverse plate buckling groove block are buckled together and are positioned on the same vertical surface.
As a further improvement of the invention, the folding carriage frame consists of an I-shaped pull rod block and a flat frame groove, wherein the I-shaped pull rod block is arranged in the flat frame groove, and the I-shaped pull rod block and the flat frame groove are in clearance fit and are positioned on the same horizontal plane.
As a further improvement of the invention, the I-shaped pull rod block consists of a transverse plate wheel seat and a tooth groove strip, wherein the transverse plate wheel seat is arranged on the top of the tooth groove strip, and the transverse plate wheel seat and the tooth groove strip are nested into a whole and are positioned on the same vertical surface.
As a further improvement of the invention, the pinch roller column cap is of a composite column cap groove structure with double pinch roller plates in a trapezoid cap groove, and is convenient for the upper and lower squeezing of the bag to form the operation effects of expanding and expanding the bag pressure and contracting the bag pressure.
As a further improvement of the invention, the needle seat bevel plate is of a composite bevel plate groove structure of the narrow-band sleeve ring shell with the sharp left lower corner, which is convenient for the high-low short-distance pull buckle balancing weight to debug and balance the horizontal pressure of the folding suspension arm, is efficient, and ensures balanced and stable operation.
As a further improvement of the invention, the transverse plate buckling groove block is of a composite groove block structure with upper and lower thick transverse plate middle buckling grooves, and the upper and lower pulling buckling frames are convenient to form an attaching, assembling and installing operation effect.
As a further improvement of the invention, the cross plate wheel seat is a composite wheel plate seat structure with a cross tube groove plate block sleeved with a wheel pad seat at the top, and is convenient for folding, shrinking and extending the central wheel buckle rod piece of the sliding central wheel buckle rod piece of the water smooth rail at the top, and has high efficiency for adjusting the length of the suspension arm.
Advantageous effects
According to the self-loading and unloading foldable tower crane, a worker lifts a winch steel rope through a crane arm frame groove frame of a regulating truss crane arm in a cab which is arranged at the top of a tower body frame, a hook claw lifts a material lifting and carrying operation, a gradient partition groove block of a gradient counterweight frame block is pressed by a bent rod wheel seat of a pressing buckle block and a transverse plate buckle groove block to be assembled and attached with a folding carriage frame, an ellipsoidal flat bag groove of a lattice bag groove support is matched with a flat ellipsoidal cushion block in a sliding rod truss and a bag pressure pad of a clamping wheel column cap to form a balancing and fine adjustment operation of a base frame balancing weight, and then a narrow folding frame column plate of a narrow sliding frame seat is connected with a sliding pressure plate to be matched with a bearing operation of a needle seat folding angle plate and a spring wire spherical cap groove, so that the middle partition transverse pulling track folding frame forms a balancing and protecting operation effect of the self-loading and unloading foldable tower crane, lifting stability and bending resistance and anti-loss efficiency are improved, and the durability of equipment is ensured.
The invention has the following advantages after operation:
the truss suspension arm is matched with the gradient counterweight frame block, and the superposition of the gradient isolation groove block, the sliding pushing and the folding of the folding carriage frame form a pressure balance slow-release fine-tuning operation effect by forming the linkage operation effect of the lattice bag groove support and the narrow carriage seat on the suspension arm frame-lower gradient frame groove in the gradient isolation groove block, so that the pressure balance slow-release fine-tuning operation effect is formed by the superposition of the gradient isolation groove block, sliding and folding carriage frame, the phenomenon of falling off, breaking and tipping is prevented, the stable and safe lifting operation effect is improved, the suspension arm loss prevention degree of the tower crane is guaranteed, and the continuous self-loading and unloading durability of lifting equipment is guaranteed.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the following detailed description of the drawings in the description of the embodiments will be presented, so that other features, objects and advantages of the present invention will become more apparent:
fig. 1 is a schematic structural view of a self-loading and unloading foldable tower crane according to the present invention.
FIG. 2 is a schematic cross-sectional view of a truss boom and gradient counterweight block according to the invention.
FIG. 3 is a schematic cross-sectional view of a gradient counterweight housing block and folding carriage frame of the invention in detail.
FIG. 4 is a schematic diagram of a detailed cross-sectional structure of the gradient counterweight housing block, lattice cell support, and narrow carriage of the invention.
Fig. 5 is an enlarged sectional view of the operation state of the press-buckling block according to the present invention.
Fig. 6 is an enlarged sectional view of the working state of the i-shaped pull rod block according to the present invention.
Fig. 7 is an enlarged sectional view of the ellipsoidal flat bag groove according to the present invention.
Fig. 8 is an enlarged sectional view of the operation state of the narrow folding frame pillar panel according to the present invention.
Reference numerals illustrate: truss suspension arm-1, gradient counterweight frame block-2, folding carriage frame-3, cab-4, tower body rod frame-5, lattice bag groove support-2A, narrow carriage seat-2B, gradient isolation groove block-2C, ellipsoid flat bag groove-2A 1, sliding rod plate truss-2A 2, flat ellipsoid cushion block-2A 11, pinch roller column cap-2A 12, narrow folding frame column plate-2B 1, sliding plate-2B 2, needle seat angle plate-2B 11, spring wire ball cap groove-2B 12, pressing buckle block-11, suspension arm frame groove frame-12, bent rod wheel seat-111, transverse plate buckle groove block-112, I-shaped pull rod block-31, flat frame groove-32, transverse plate wheel seat-311 and tooth groove bar-312.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Embodiment one:
referring to fig. 1 to 8, the present invention provides a self-loading and unloading foldable tower crane, which structurally comprises: truss davit 1, gradient counter weight frame piece 2, folding balladeur train frame 3, driver's cabin 4, body of the tower frame 5, gradient counter weight frame piece 2 nestification is in the lower left corner of truss davit 1 and mutually perpendicular, gradient counter weight frame piece 2 adopts clearance fit with folding balladeur train frame 3, truss davit 1 is hugged closely together and is on same surface line with folding balladeur train frame 3, driver's cabin 4 nestification is on the top of body of the tower frame 5 and is on same vertical face, folding balladeur train frame 3 and driver's cabin 4 mechanical connection and mutually perpendicular, gradient counter weight frame piece 2 is equipped with check pocket groove support 2A, narrow balladeur train seat 2B, gradient spacer groove piece 2C, check pocket groove support 2A installs under narrow balladeur train seat 2B's bottom and is on same vertical face, narrow balladeur train seat 2B mechanical connection with gradient spacer groove piece 2C, check pocket groove support 2A and narrow balladeur train seat 2B are all installed in narrow balladeur train seat 2B's inside, the lower left side of the nested balladeur train seat 1 mutually perpendicular.
Referring to fig. 4, the lattice cell support 2A is composed of an ellipsoidal flat cell 2A1 and a slide bar plate truss 2A2, the ellipsoidal flat cell 2A1 is provided with two or more slide bar plate trusses 2A2, the ellipsoidal flat cell 2A1 is mechanically connected with the slide bar plate trusses 2A2 and is located on the same vertical plane, the narrow slide frame seat 2B is composed of a narrow folding frame column plate 2B1 and a slide plate 2B2, the slide plate 2B2 is provided with two slide plates and is respectively installed on the upper side and the lower side of the narrow folding frame column plate 2B1, the narrow folding frame column plate 2B1 and the slide plate 2B2 are nested into a whole and are located on the same vertical plane, and a layered gradient transverse sliding balance weight regulating operation effect is formed at the bottom of the narrow folding frame column plate 2B1 through the slide bar plate trusses 2A 2.
Referring to fig. 7, the ellipsoidal flat bag groove 2A1 is composed of a flat ellipsoidal cushion block 2a11 and a pinch roller column cap 2a12, the pinch roller column cap 2a12 is provided with two pinch roller column caps and is respectively mounted on the upper side and the lower side of the flat ellipsoidal cushion block 2a11, the flat ellipsoidal cushion block 2a11 and the pinch roller column cap 2a12 are buckled together and are positioned on the same vertical surface, the pinch roller column cap 2a12 is a composite column cap groove structure with double pinch roller plates in a trapezoid cap groove, so that the upper and lower beam-folding bag is conveniently compressed to form the operation effects of folding bag support expansion and expansion bag compression contraction, and the pinch roller column cap 2a12 is clamped to form the operation effect of the transverse pneumatic bag compression spacer adaptation folding frame through the flat ellipsoidal cushion block 2a 11.
Referring to fig. 8, the narrow folding frame column plate 2B1 is composed of a needle seat folding angle plate 2B11 and a reed ball cap groove 2B12, the needle seat folding angle plate 2B11 is installed below the bottom of the reed ball cap groove 2B12, the needle seat folding angle plate 2B11 and the reed ball cap groove 2B12 are of an integrated structure and are positioned on the same vertical surface, the needle seat folding angle plate 2B11 is of a composite folding angle plate groove structure of a narrow-band collar shell with a left lower angle, so that the high-low short-distance pulling buckle balancing weight is convenient to debug and balance the horizontal pressure of a folding boom, the balanced stable operation is ensured, and the pulling buckle linkage operation effect is formed by adapting a sliding liner at the bottom of the reed ball cap groove 2B12 through the needle seat folding angle plate 2B 11.
Referring to fig. 2, the truss boom 1 is composed of a pressing and buckling block 11 and a boom frame 12, the pressing and buckling block 11 is mounted at the lower left corner of the boom frame 12, the pressing and buckling block 11 and the boom frame 12 are buckled together and are mutually perpendicular, and the upper and lower clamping rails and the balancing weights are matched and mounted at the lower left corner of the boom frame 12 through the pressing and buckling block 11, so that the boom is efficient to hoist.
Referring to fig. 5, the pressing buckle block 11 is composed of a bent rod wheel seat 111 and a transverse plate buckle groove block 112, the bent rod wheel seat 111 is mounted in the transverse plate buckle groove block 112, the bent rod wheel seat 111 and the transverse plate buckle groove block 112 are buckled together and are located on the same vertical plane, the transverse plate buckle groove block 112 is a composite groove block structure with a thick transverse plate middle buckle groove in the upper and lower directions, the upper and lower pulling buckle frames are convenient to form an attaching, assembling and installing operation effect, and an operation effect of an upper and lower arc buckle wrapping shell is formed in the transverse plate buckle groove block 112 through the bent rod wheel seat 111.
The working flow is as follows: the staff lifts winch steel ropes through a boom frame groove frame 12 which is arranged in a cab 4 at the top of a tower body rod frame 5 and controls a truss boom 1, so that a hook claw lifts a material to lift and carry the material, and a gradient partition groove block 2C of a gradient counterweight frame block 2 is assembled and attached with a folding carriage frame 3 through a bent rod wheel seat 111 of a pressing buckle block 11 and a transverse plate buckle groove block 112, so that an ellipsoidal flat bag groove 2A1 of a lattice bag groove support 2A is matched with a flat ellipsoidal cushion block 2A11 in a sliding rod truss 2A2 to form a balance fine adjustment operation of a base frame counterweight with a bag pressing cushion of a pinch roller column cap 2A12, and then a narrow folding frame column plate 2B1 of a narrow sliding frame seat 2B is matched with a bearing operation of a needle seat folding angle plate 2B11 and a spring wire spherical cap groove 2B12, so that the transverse diaphragm rail folding frame forms a balance protection operation effect of the self-folding tower crane, lifting stability and bending resistance and loss resistance efficiency are improved, and the durability of equipment is ensured.
Embodiment two:
referring to fig. 1 to 8, the present invention provides a self-loading and unloading foldable tower crane, which is otherwise the same as embodiment 1, except that:
referring to fig. 3, the folding carriage frame 3 is composed of an i-shaped pull rod block 31 and a flat frame groove 32, the i-shaped pull rod block 31 is mounted in the flat frame groove 32, the i-shaped pull rod block 31 and the flat frame groove 32 are in clearance fit and are on the same horizontal plane, and the i-shaped pull rod block 31 transversely slides in the flat frame groove 32 to wrap the opposite frame bars to form a folding adjustment operation effect.
Referring to fig. 6, the i-shaped pull rod block 31 is composed of a cross-plate wheel seat 311 and a tooth groove strip 312, the cross-plate wheel seat 311 is mounted on the top of the tooth groove strip 312, the cross-plate wheel seat 311 and the tooth groove strip 312 are nested into a whole and are positioned on the same vertical surface, the cross-plate wheel seat 311 is a composite wheel seat structure with a cross-tube groove plate block sleeved wheel pad seat on the top, the folding shrinkage and the extension of a central wheel buckle rod piece for sliding a smooth rail on the top are convenient, the length of a suspension arm is adjusted efficiently, and an upper horizontal balance frame and a lower horizontal balance frame protection sliding operation effect is formed on the top of the tooth groove strip 312 through the cross-plate wheel seat 311.
Through the lifting operation after the front-stage material is lifted by the tower crane, the balance weight and the suspension arm at the later stage form an integral transverse folding and stretching operation effect in the flat frame groove 32 through the transverse plate wheel seat 311 and the tooth groove strip 312 by the I-shaped pull rod block 31 of the folding carriage frame 3, and the fine tuning linkage operation effect of the balance weight of the folding frame is improved.
According to the invention, through the mutual combination of the components, the effects of utilizing the cooperation of the truss suspension arm 1 and the gradient counterweight frame block 2, forming the superposition of the gradient frame grooves and the linkage operation effect of clamping the frame under the suspension arm frame groove frame-12 by the lattice bag groove support 2A and the narrow carriage seat 2B in the gradient partition groove block 2C are achieved, so that the pressure balance slow-release fine-tuning operation effect is formed by the superposition sliding of the gradient partition groove block 2C and the folding self-loading and unloading material of the folding carriage frame 3, the phenomenon of switching on and off and tipping is prevented, the stable and safe lifting operation effect is improved, the suspension arm loss prevention degree of the tower crane is reduced, and the continuous self-loading and unloading durability of the lifting equipment is ensured, so that the problems that the counterweight block lifting arrangement of the self-loading and unloading foldable tower crane is solved, the suspension arm loss is serious when the folding truss is matched with the lifting and unloading adjustment personnel to cause the risk of one-time stressed extrusion of the tilting cross beam or the buckling cross beam, and the transverse telescopic gradient of the suspension arm can be assembled and buckled by the simple press, so that the loading and unloading force of the whole truss is influenced, and unloading force and the effect of the whole truss is spread.
The specific embodiments described herein are offered by way of example only. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the scope of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (1)
1. A self-loading and unloading foldable tower crane structurally comprises: truss davit (1), gradient counter weight frame piece (2), folding balladeur train frame (3), driver's cabin (4), tower body pole frame (5), its characterized in that: the gradient counterweight frame block (2) is nested at the lower left corner of the truss suspension arm (1), the gradient counterweight frame block (2) is matched with the folding carriage frame (3), the truss suspension arm (1) and the folding carriage frame (3) are tightly attached together, the cab (4) is nested at the top of the tower body rod frame (5), and the folding carriage frame (3) is mechanically connected with the cab (4);
the gradient counterweight frame block (2) is provided with a lattice cell groove support (2A), a narrow sliding frame seat (2B) and a gradient isolation groove block (2C), the lattice cell groove support (2A) is arranged below the bottom of the narrow sliding frame seat (2B), the narrow sliding frame seat (2B) is mechanically connected with the gradient isolation groove block (2C), the lattice cell groove support (2A) is mechanically connected with the gradient isolation groove block (2C), and the lattice cell groove support (2A) and the narrow sliding frame seat (2B) are both arranged in the gradient counterweight frame block (2);
the grid bag groove support (2A) consists of an ellipsoidal flat bag groove (2A 1) and a sliding rod plate truss (2A 2), wherein more than two ellipsoidal flat bag grooves (2A 1) are formed and are arranged in the sliding rod plate truss (2A 2), and the ellipsoidal flat bag groove (2A 1) is mechanically connected with the sliding rod plate truss (2A 2);
the ellipsoidal flat bag groove (2A 1) consists of flat ellipsoidal cushion blocks (2A 11) and pinch roller column caps (2A 12), wherein the pinch roller column caps (2A 12) are provided with two and are respectively arranged on the upper side and the lower side of the flat ellipsoidal cushion blocks (2A 11), and the flat ellipsoidal cushion blocks (2A 11) are buckled with the pinch roller column caps (2A 12);
the narrow sliding frame seat (2B) consists of a narrow folding frame column plate (2B 1) and sliding pressing plates (2B 2), two sliding pressing plates (2B 2) are arranged and are respectively arranged on the upper side and the lower side of the narrow folding frame column plate (2B 1), and the narrow folding frame column plate (2B 1) and the sliding pressing plates (2B 2) are nested into a whole;
the narrow folding frame column plate (2B 1) consists of a needle seat folding plate (2B 11) and a reed wire ball cap groove (2B 12), the needle seat folding plate (2B 11) is arranged below the bottom of the reed wire ball cap groove (2B 12), and the needle seat folding plate (2B 11) and the reed wire ball cap groove (2B 12) are of an integrated structure;
the truss suspension arm (1) consists of a pressing buckle block (11) and a suspension arm frame groove frame (12), wherein the pressing buckle block (11) is arranged at the lower left corner of the suspension arm frame groove frame (12), and the pressing buckle block (11) and the suspension arm frame groove frame (12) are buckled together;
the buckling block (11) consists of a bent rod wheel seat (111) and a transverse plate buckling groove block (112), the bent rod wheel seat (111) is arranged in the transverse plate buckling groove block (112), and the bent rod wheel seat (111) and the transverse plate buckling groove block (112) are buckled together;
the folding carriage frame (3) consists of an I-shaped pull rod block (31) and a flat frame groove (32), wherein the I-shaped pull rod block (31) is arranged in the flat frame groove (32), and the I-shaped pull rod block (31) is matched with the flat frame groove (32);
the I-shaped pull rod block (31) consists of a transverse plate wheel seat (311) and a tooth groove strip (312), wherein the transverse plate wheel seat (311) is arranged on the top of the tooth groove strip (312), and the transverse plate wheel seat (311) and the tooth groove strip (312) are nested into a whole;
staff lifts winch steel ropes through a boom frame groove frame (12) of a regulating truss boom (1) in a cab (4) arranged at the top of a tower body rod frame (5), hooks lift a material lifting and carrying operation, and a gradient partition groove block (2C) of a gradient counterweight frame block (2) is assembled and attached with a folding carriage frame (3) through a bent rod wheel seat (111) of a pressing buckle block (11) and a transverse plate buckling groove block (112), so that an ellipsoidal flat bag groove (2A 1) of a lattice bag groove support (2A) is matched with a flat ellipsoidal cushion block (2A 11) in a sliding rod truss (2A 2) to form a balance fine adjustment operation of a base frame counterweight block through a bag pressing cushion of a clamp wheel column cap (2A 12), and then a sliding plate (2B 2) is matched with a bearing operation of a needle seat folding seat (2B 11) and a corner plate ball cap groove (2B 12) through a narrow folding frame column plate (2B 1) of a narrow carriage seat (2B).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110147086.0A CN112794218B (en) | 2021-02-03 | 2021-02-03 | Self-loading and unloading foldable tower crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110147086.0A CN112794218B (en) | 2021-02-03 | 2021-02-03 | Self-loading and unloading foldable tower crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112794218A CN112794218A (en) | 2021-05-14 |
| CN112794218B true CN112794218B (en) | 2023-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110147086.0A Active CN112794218B (en) | 2021-02-03 | 2021-02-03 | Self-loading and unloading foldable tower crane |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114476992B (en) * | 2022-04-01 | 2022-07-12 | 河南省豫威起重机有限公司 | Cover type anti-swing tower crane for building construction |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320526B (en) * | 2011-09-14 | 2013-02-13 | 哈尔滨东建机械制造有限公司 | Self-loading and unloading foldable tower crane |
| CN203269417U (en) * | 2013-03-05 | 2013-11-06 | 中联重科股份有限公司 | Telescopic counterweight and crane with same |
| CN103350962B (en) * | 2013-07-17 | 2016-03-16 | 中联重科股份有限公司 | Tower crane and adjusting method of balance moment of tower crane |
| CN106809720B (en) * | 2017-02-10 | 2018-09-14 | 平高集团有限公司 | A kind of potting breaker arc-chutes hoisting fixture |
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