CN112158741A - Device for fixing upper pivoting body of construction engineering machinery - Google Patents
Device for fixing upper pivoting body of construction engineering machinery Download PDFInfo
- Publication number
- CN112158741A CN112158741A CN202011185931.5A CN202011185931A CN112158741A CN 112158741 A CN112158741 A CN 112158741A CN 202011185931 A CN202011185931 A CN 202011185931A CN 112158741 A CN112158741 A CN 112158741A
- Authority
- CN
- China
- Prior art keywords
- clamping
- jaw
- fixing
- driving
- upper pivoting
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- 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.)
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Classifications
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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
- B66C23/16—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 with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
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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
- B66C23/84—Slewing gear
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
- F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
- F16D55/225—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
- F16D55/226—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a device for fixing an upper pivoting body of constructional engineering machinery, relates to the technical field of engineering machinery, and solves the problems that the conventional upper pivoting body fixing device is difficult to ensure that braking surfaces are uniformly adhered to each other in use, local stress is easy to occur, local abrasion is serious, the braking surfaces are small, the braking effect is not ideal, and the service life is short; the top of the fixed piece is rotatably connected with a group of upper pivoting pieces; six groups of clamping sliding parts are arranged in a circumferential array in the fixed part and are connected in a sliding manner; twelve groups of clamping pliers blocks are arranged in the fixing piece in a circumferential array. The invention has uniform clamping force, can ensure good braking effect, simultaneously avoids the problem of serious local abrasion caused by local stress, ensures good clamping braking effect even if certain abrasion exists, has larger braking force arm, better braking effect, strong working stability, strong abrasion resistance of the braking surface and longer service life.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a device for fixing an upper pivoting body of constructional engineering machinery.
Background
The tower crane is the most common hoisting equipment on the construction site, is also called as a tower crane and is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction, the tower crane is indispensable equipment on the construction site, the upper part of the tower crane is a pivot body structure, the lower part of the tower crane is a fixed structure, and the pivot body structure on the upper part is often required to be fixed in use.
For example, application No.: the invention discloses a CN201210174547.4 double-control energy-saving brake which comprises a base, wherein the left side of the base is provided with a pusher support, the pusher support is provided with a pusher, the pusher support is provided with a short support, and the other side of the pusher support is connected with a long support; the top of the short bracket is hinged with a base, the base is provided with a fixed block and a brake release supporting mechanism, the brake release supporting mechanism is provided with an output end and a resetting device, and the output end is connected in the fixed block in a sliding supporting manner; when the brake release supporting mechanism is electrified, the end part of the output end of the brake release supporting mechanism extends out of the fixed block and moves to the position of the connecting rod of the push actuator in the brake release supporting state. When the brake releasing support mechanism works, the pusher connecting rod is supported at the position in the brake releasing state by the brake releasing support mechanism, the pusher does not need to be opened all the time, and a large amount of electric energy is saved compared with the prior art. The pusher connecting rod plays a role of a lever, and under the condition that the pushing force required by pushing the crank arm is the same, the pusher of the invention requires less power and is more energy-saving than the prior pusher.
Based on the above, the existing upper pivoting body fixing device is difficult to ensure that the braking surfaces are uniformly adhered during use, the local stress condition is easy to occur, the local abrasion is serious, the braking surface is small, the braking effect is not ideal, and the service life is short; thus, the existing need is not met, for which we propose a device for fixing the upper pivot body of a construction machine.
Disclosure of Invention
The invention aims to provide a device for fixing an upper pivoting body of a constructional engineering machine, and aims to solve the problems that the conventional upper pivoting body fixing device in the background art cannot ensure uniform adhesion between braking surfaces in use, is easy to generate a local stress condition, has serious local abrasion, small braking surface, unsatisfactory braking effect and short service life.
In order to achieve the purpose, the invention provides the following technical scheme: a device for fixing an upper pivoting body of a construction machine, comprising a fixing piece; the top of the fixed piece is rotatably connected with a group of upper pivoting pieces; six groups of clamping driving pieces are fixedly connected to the inner circumference of the fixing piece in an array manner; six groups of clamping sliding parts are arranged in a circumferential array in the fixed part and are connected in a sliding manner; twelve groups of clamping pliers blocks are arranged in the fixing piece in a circumferential array.
Preferably, the fixing part further comprises a driving mounting seat and guiding slide rails, six groups of driving mounting seats are arranged in an array mode on the inner circumference of the fixing part, the clamping driving part is mounted on the driving mounting seats, two groups of guiding slide rails are fixedly connected to the inner side of each group of driving mounting seats, the clamping sliding part is connected with the driving mounting seats in a sliding mode through the guiding slide rails, and a piston rod of the clamping driving part is fixedly connected with the clamping sliding part.
Preferably, the fixing part further comprises jaw mounting seats, six groups of jaw mounting seats are uniformly arranged in the fixing part from top to bottom respectively, and the upper and lower groups of jaw mounting seats are symmetrically distributed.
Preferably, the clamping block further comprises a jaw connecting piece, the outer side of the clamping block is hinged with two sets of jaw connecting pieces, the two sets of jaw connecting pieces are connected to the same set of jaw mounting base, the two sets of jaw connecting pieces are mounted in parallel, the clamping block and the jaw mounting base are mounted horizontally, and a double-rocker mechanism is formed among the clamping block, the jaw connecting piece and the jaw mounting base.
Preferably, the clamping sliding part further comprises a driving connecting rod, the upper part and the lower part of the clamping sliding part are hinged with a group of driving connecting rods, the two groups of driving connecting rods are symmetrically distributed, the other end of each driving connecting rod is hinged with a group of jaw connecting pieces, and the clamping sliding part, the driving connecting rods, the jaw connecting pieces and the fixing pieces form a crank-slider transmission mechanism together.
Preferably, the clamping block further comprises a jaw friction block, a group of detachable jaw friction blocks are arranged on the inner side of the clamping block, and patterns for increasing friction force are arranged on the jaw friction blocks.
Preferably, the upper pivoting member further comprises a brake disc and a brake disc, a group of brake discs is arranged at the bottom of the upper pivoting member, a group of detachable brake discs is fixedly connected to the upper end face and the lower end face of each brake disc, and a wear-resistant layer is arranged on the outer side of each brake disc.
Compared with the prior art, the invention has the beneficial effects that:
the synchronous swinging clamping of the clamping driving piece driving the clamping caliper blocks is realized by adopting the crank block transmission mechanism and the double-rocker mechanism, the clamping caliper blocks are always kept in a horizontal state while clamping, the clamping force is uniform, the good braking effect can be ensured, the problem of serious local abrasion caused by local stress is avoided, and the good clamping braking effect is ensured even if certain abrasion exists.
The invention adopts the clamping and fixing devices which are uniformly distributed, thereby ensuring uniform clamping force, larger braking force arm, better braking effect, strong working stability, strong abrasion resistance of the braking surface and longer service life.
The invention has uniform clamping force, can ensure good braking effect, simultaneously avoids the problem of serious local abrasion caused by local stress, ensures good clamping braking effect even if certain abrasion exists, has larger braking force arm, better braking effect, strong working stability, strong abrasion resistance of the braking surface and longer service life.
Drawings
FIG. 1 is a schematic side view of the shaft of the present invention in use;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic side view of the mounting shaft of the present invention;
FIG. 4 is a schematic side view of the drive shaft of the present invention;
FIG. 5 is a schematic side view of a driving shaft of the clamping vise block of the present invention;
FIG. 6 is a schematic side view of the clamping jaw of the present invention;
FIG. 7 is a schematic axial side view of a friction block for a jaw of the present invention;
FIG. 8 is a schematic axial side view of a brake rotor of the present invention;
FIG. 9 is a side view of the clamping slide mounting shaft of the present invention;
in the figure: 1. an upper pivot member; 101. a brake disc; 102. a brake disk; 2. a fixing member; 201. a drive mounting base; 20101. a guide slide rail; 202. a jaw mounting seat; 3. clamping the driving member; 4. clamping the slide; 401. a drive link; 5. clamping the clamp block; 501. a jaw connector; 502. a jaw friction block.
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 device for fixing an upper pivoting body of a construction machine, comprising a fixing member 2; the top of the fixed part 2 is rotatably connected with a group of upper pivoting body parts 1; six groups of clamping driving pieces 3 are fixedly connected to the inner circumference array of the fixing piece 2; six groups of clamping sliding parts 4 are arranged in a circumferential array in the fixed part 2 and are connected in a sliding manner; the fixing member 2 is provided with twelve groups of clamping jaw blocks 5 in an internal circumferential array.
Further, the fixing part 2 further comprises a driving installation seat 201 and guiding slide rails 20101, six groups of driving installation seats 201 are arranged in an array mode on the inner circumference of the fixing part 2, the clamping driving part 3 is installed on the driving installation seat 201, two groups of guiding slide rails 20101 are fixedly connected to the inner side of each group of driving installation seats 201, the clamping sliding part 4 is connected with the driving installation seat 201 in a sliding mode through the guiding slide rails 20101, a piston rod of the clamping driving part 3 is fixedly connected with the clamping sliding part 4, and in use, the clamping driving part 3 drives the clamping sliding part 4 to slide back and forth along the two groups of guiding slide rails 20101.
Further, the fixing member 2 further comprises jaw mounting seats 202, six groups of jaw mounting seats 202 are uniformly arranged in the fixing member 2 from top to bottom, and the upper and lower groups of jaw mounting seats 202 are symmetrically distributed.
Further, the clamping jaw block 5 further comprises a jaw connecting piece 501, the outer side of the clamping jaw block 5 is hinged with two sets of jaw connecting pieces 501, the two sets of jaw connecting pieces 501 are connected to the same set of jaw mounting base 202, the two sets of jaw connecting pieces 501 are mounted in parallel, the clamping jaw block 5 and the jaw mounting base 202 are mounted horizontally, a double-rocker mechanism is formed between the clamping jaw block 5, the jaw connecting pieces 501 and the jaw mounting base 202, and when the jaw connecting pieces 501 swing in use, the jaw connecting pieces 501 realize the swing of the clamping jaw block 5 and keep the clamping jaw block 5 in a horizontal state all the time through the double-rocker mechanism formed by the clamping jaw block 5, the jaw connecting pieces 501 and the jaw mounting base 202.
Further, the clamping sliding part 4 further comprises a driving connecting rod 401, the upper portion and the lower portion of the clamping sliding part 4 are hinged to a group of driving connecting rods 401, the two groups of driving connecting rods 401 are symmetrically distributed, the other end of each driving connecting rod 401 is hinged to a group of jaw connecting pieces 501, and the clamping sliding part 4, the driving connecting rods 401, the jaw connecting pieces 501 and the fixing piece 2 jointly form a crank block transmission mechanism.
Further, the clamping jaw block 5 further comprises a jaw friction block 502, a set of detachable jaw friction blocks 502 is arranged on the inner side of the clamping jaw block 5, patterns for increasing friction force are arranged on the jaw friction blocks 502, and in use, the upper pivot body member 1 is clamped and fixed through the friction force between the two sets of jaw friction blocks 502 and the upper pivot body member 1.
Further, the upper pivoting member 1 further comprises a brake disc 101 and a brake disc 102, the bottom of the upper pivoting member 1 is provided with a set of brake disc 101, the upper end surface and the lower end surface of the brake disc 101 are fixedly connected with a set of detachable brake disc 102, the outer side of the brake disc 102 is provided with a wear-resistant layer, and in use, the upper pivoting member 1 is clamped and fixed through the friction force between the jaw friction block 502 and the brake disc 102.
The working principle is as follows: when the upper pivoting part 1 needs to be clamped and fastened, the clamping driving part 3 drives the clamping sliding part 4 to slide outwards along the two groups of guide sliding rails 20101, the clamping sliding part 4 synchronously swings inwards of the upper and lower groups of jaw connecting pieces 501 through a crank block transmission mechanism formed by the clamping sliding part 4, the driving connecting rod 401, the jaw connecting piece 501 and the fixing part 2, the jaw connecting piece 501 realizes the inward swinging of the clamping jaw block 5 through a double-rocker mechanism formed by the clamping jaw block 5, the jaw connecting piece 501 and the jaw mounting seat 202, the clamping jaw block 5 is always kept in a horizontal state, the clamping jaw block 5 swings inwards, the jaw friction block 502 is pressed and rubbed with the brake friction disc 102, the clamping fixation of the upper pivot member 1 is achieved by the friction between the jaw friction block 502 and the brake disc 102.
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 (7)
1. A device for securing an upper pivoting body of a construction machine, characterized in that: comprises a fixing piece (2); the top of the fixed part (2) is rotatably connected with a group of upper pivoting body parts (1); six groups of clamping driving pieces (3) are fixedly connected to the inner circumference of the fixing piece (2) in an array arrangement; six groups of clamping sliding parts (4) are arranged in a circumferential array in the fixed part (2) in a sliding manner; twelve groups of clamping pliers blocks (5) are arranged in the fixing piece (2) in a circumferential array.
2. A device for fixing an upper pivoting body of a construction machine according to claim 1, wherein: the fixing part (2) further comprises a driving mounting seat (201) and guide sliding rails (20101), six groups of driving mounting seats (201) are arranged in an array mode on the inner circumference of the fixing part (2), the clamping driving part (3) is installed on the driving mounting seats (201), two groups of guide sliding rails (20101) are fixedly connected to the inner side of each group of driving mounting seats (201), the clamping sliding part (4) is connected with the driving mounting seats (201) in a sliding mode through the guide sliding rails (20101), and a piston rod of the clamping driving part (3) is fixedly connected with the clamping sliding part (4).
3. A device for fixing an upper pivoting body of a construction machine according to claim 1, wherein: the fixing piece (2) further comprises jaw mounting bases (202), six groups of jaw mounting bases (202) are uniformly distributed in the fixing piece (2) from top to bottom, and the upper and lower groups of jaw mounting bases (202) are symmetrically distributed.
4. A device for fixing an upper pivoting body of a construction machine according to claim 1, wherein: the clamping pliers block (5) is characterized by further comprising a jaw connecting piece (501), the outer side of the clamping pliers block (5) is hinged with two sets of jaw connecting pieces (501), the two sets of jaw connecting pieces (501) are connected to the same set of jaw mounting base (202), the two sets of jaw connecting pieces (501) are mutually mounted in parallel, the clamping pliers block (5) and the jaw mounting base (202) are horizontally mounted, and a double-rocker mechanism is formed between the clamping pliers block (5), the jaw connecting piece (501) and the jaw mounting base (202) together.
5. A device for fixing an upper pivoting body of a construction machine according to claim 1, wherein: the clamping sliding part (4) further comprises a driving connecting rod (401), the clamping sliding part (4) is hinged with a group of driving connecting rods (401) from top to bottom, the two groups of driving connecting rods (401) are symmetrically distributed, the other ends of the driving connecting rods (401) are hinged with a group of jaw connecting pieces (501), and a crank-slider transmission mechanism is formed among the clamping sliding part (4), the driving connecting rods (401), the jaw connecting pieces (501) and the fixing part (2) together.
6. A device for fixing an upper pivoting body of a construction machine according to claim 1, wherein: the clamping pliers block (5) further comprises a jaw friction block (502), a group of detachable jaw friction blocks (502) are arranged on the inner side of the clamping pliers block (5), and patterns for increasing friction force are arranged on the jaw friction blocks (502).
7. A device for fixing an upper pivoting body of a construction machine according to claim 1, wherein: the upper pivoting part (1) further comprises a brake disc (101) and a brake disc (102), a group of brake discs (101) is arranged at the bottom of the upper pivoting part (1), the upper end face and the lower end face of each brake disc (101) are fixedly connected with a group of detachable brake discs (102), and a wear-resistant layer is arranged on the outer side of each brake disc (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011185931.5A CN112158741A (en) | 2020-10-30 | 2020-10-30 | Device for fixing upper pivoting body of construction engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011185931.5A CN112158741A (en) | 2020-10-30 | 2020-10-30 | Device for fixing upper pivoting body of construction engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112158741A true CN112158741A (en) | 2021-01-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011185931.5A Pending CN112158741A (en) | 2020-10-30 | 2020-10-30 | Device for fixing upper pivoting body of construction engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112158741A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114056U (en) * | 1990-10-14 | 1992-08-26 | 宿伯杰 | Disk brake |
| CN2470206Y (en) * | 2000-11-28 | 2002-01-09 | 德阳二重矿冶机械厂 | Disc brake |
| CN2520273Y (en) * | 2002-02-27 | 2002-11-13 | 铁道科学研究院机车车辆研究所 | Wheel-mounted disk shaped braking device |
| CN201573203U (en) * | 2009-12-29 | 2010-09-08 | 上海电机学院 | Mechanical paw |
| CN203161908U (en) * | 2013-04-08 | 2013-08-28 | 姬启翔 | Hydraulic and mechanical disc-type brake device for rotation of tower crane |
| CN105565192A (en) * | 2016-03-02 | 2016-05-11 | 上海德益轻型起重机有限公司 | Slewing mechanism capable of adjusting rotating resistance for manual slewing cantilever crane |
| CN206328089U (en) * | 2016-12-28 | 2017-07-14 | 日照天泰建筑安装工程有限公司 | Tower crane dead electricity rotary braking device |
| CN206830693U (en) * | 2017-06-08 | 2018-01-02 | 山河智能装备股份有限公司 | A kind of caliper brake rotary braking device |
| CN108714910A (en) * | 2018-06-08 | 2018-10-30 | 哈尔滨工业大学 | Using the end gripper of spatial linkage |
| CN108788290A (en) * | 2018-06-25 | 2018-11-13 | 上海杨岐视觉机器人有限公司 | A kind of centering type robot hand of shear |
-
2020
- 2020-10-30 CN CN202011185931.5A patent/CN112158741A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114056U (en) * | 1990-10-14 | 1992-08-26 | 宿伯杰 | Disk brake |
| CN2470206Y (en) * | 2000-11-28 | 2002-01-09 | 德阳二重矿冶机械厂 | Disc brake |
| CN2520273Y (en) * | 2002-02-27 | 2002-11-13 | 铁道科学研究院机车车辆研究所 | Wheel-mounted disk shaped braking device |
| CN201573203U (en) * | 2009-12-29 | 2010-09-08 | 上海电机学院 | Mechanical paw |
| CN203161908U (en) * | 2013-04-08 | 2013-08-28 | 姬启翔 | Hydraulic and mechanical disc-type brake device for rotation of tower crane |
| CN105565192A (en) * | 2016-03-02 | 2016-05-11 | 上海德益轻型起重机有限公司 | Slewing mechanism capable of adjusting rotating resistance for manual slewing cantilever crane |
| CN206328089U (en) * | 2016-12-28 | 2017-07-14 | 日照天泰建筑安装工程有限公司 | Tower crane dead electricity rotary braking device |
| CN206830693U (en) * | 2017-06-08 | 2018-01-02 | 山河智能装备股份有限公司 | A kind of caliper brake rotary braking device |
| CN108714910A (en) * | 2018-06-08 | 2018-10-30 | 哈尔滨工业大学 | Using the end gripper of spatial linkage |
| CN108788290A (en) * | 2018-06-25 | 2018-11-13 | 上海杨岐视觉机器人有限公司 | A kind of centering type robot hand of shear |
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Application publication date: 20210101 |