CN109264608B - Trolley for hoisting tensioning jack for tensioning operation - Google Patents
Trolley for hoisting tensioning jack for tensioning operation Download PDFInfo
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- CN109264608B CN109264608B CN201811320119.1A CN201811320119A CN109264608B CN 109264608 B CN109264608 B CN 109264608B CN 201811320119 A CN201811320119 A CN 201811320119A CN 109264608 B CN109264608 B CN 109264608B
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- steel
- pair
- supporting
- tensioning
- steel sheet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
- B66D3/06—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a trolley for hoisting a tensioning jack to perform tensioning operation, which comprises: the supporting assembly comprises a pair of symmetrically arranged supporting frames and a pair of cross beams, two ends of the cross beams are respectively fixed on the pair of supporting frames and the cross beams are arranged in parallel at intervals; the track assembly comprises a pair of channel steel, the pair of channel steel corresponds to the pair of cross beams one by one, two ends of one channel steel are respectively fixed on the corresponding cross beams, and the notch of the channel steel faces downwards; the upper ends of the pulleys abut against the inside of the waist of the channel steel, the lower ends of the pulleys abut against the upper surface of the cross beam, a first hanging ring penetrates through the center of each pulley, and the first hanging ring is sleeved on the cross beam; the two sides of each steel block are fixedly connected to the lower ends of the two first lifting rings respectively, the two first lifting rings are located on different cross beams, the steel blocks are not crossed, and the steel blocks are provided with a plurality of second lifting rings. The tensioning device has the advantages of being convenient and fast to move and improving the tensioning working efficiency.
Description
Technical Field
The invention relates to the field of tensioning devices. More particularly, the invention relates to a trolley for hoisting a tensioning jack for tensioning operation.
Background
In the tensioning construction of the precast beam in China, the tensioning of the steel strand in the precast beam is extremely important, in the general tensioning process, the early preparation working time is long, a gantry crane is needed to assist in hoisting the tensioning jack, particularly, under the condition of tight construction period, the construction is needed to be carried out to the next procedure as soon as possible, in the general construction site, the number of gantry cranes is limited, the use is often inconvenient, and the volume and the mass of the gantry crane are large, the movement is slow, and the working efficiency is influenced.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide the trolley for hoisting the tensioning jack to perform tensioning operation, which has the advantages of convenient movement, convenient adjustment of the position of the tensioning jack and improvement of the tensioning work efficiency.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a trolley for lifting a tensioning jack for a tensioning work, comprising:
the supporting assembly comprises a pair of symmetrically arranged supporting frames and a pair of cross beams, two ends of the cross beams are respectively fixed on the pair of supporting frames and the cross beams are arranged in parallel at intervals;
a track assembly, comprising:
the pair of channel steel is in one-to-one correspondence with the pair of cross beams, two ends of one channel steel are respectively fixed on the corresponding cross beams, and the notches of the channel steel are downward;
the upper ends of the pulleys abut against the inside of the waist of the channel steel, the lower ends of the pulleys abut against the upper surface of the cross beam, a first hanging ring penetrates through the center of each pulley, and the first hanging ring is sleeved on the cross beam;
the two sides of each steel block are fixedly connected to the lower ends of the two first lifting rings respectively, the two first lifting rings are located on different cross beams, the steel blocks are not crossed, and the steel blocks are provided with a plurality of second lifting rings.
Preferably, a groove facing the waist of the channel steel is formed in the upper surface of the cross beam, and the lower end of the pulley abuts against the inside of the groove.
Preferably, the steel block is an i-steel.
Preferably, the method further comprises the following steps: baffle assembly, it includes that vertical a pair of dead lever, both sides that are fixed in a pair of support frame rear side and set up in opposite directions fix first steel sheet, one side on a pair of dead lever respectively articulate in the second steel sheet of first steel sheet one side, just first steel sheet with the vertical setting of axis of rotation of the articulated department of second steel sheet works as the second steel sheet orientation when first steel sheet rotates to the terminal point, first steel sheet with the second steel sheet overlaps, works as the second steel sheet deviates from when first steel sheet rotates to the terminal point, the opposite side of second steel sheet and the support frame contact that is close to articulated department one side.
Preferably, the fixing rod is L-shaped steel, and the hinged part of the first steel plate and the second steel plate is hinged by a hinge.
Preferably, the method further comprises the following steps: the rotary hoisting device comprises a vertically arranged rotating shaft fixed on one support frame, a bearing rod vertically connected to the upper part of the rotating shaft, a supporting rod with one end connected to the lower part of the rotating shaft and the other end connected to the bearing rod, and a lifting hook connected to the free end of the bearing rod.
Preferably, the method further comprises the following steps: the ladder stand is arranged on one of the support frames.
Preferably, the method further comprises the following steps: a trolley slide, the trolley slide comprising: a pair of slides, the card that is located a pair of support frame below respectively is located in the slide and the upper end is connected a plurality of gyro wheels on the supporting legs of support frame.
Preferably, the method further comprises the following steps: and one end of each reinforcing rod is connected with the bottom of the cross beam, and the other end of each reinforcing rod is fixed on the support frame.
Preferably, the device also comprises a plurality of position control assemblies, the position control assemblies correspond to the rollers one by one, each position control assembly comprises a pair of support sheets and a square ring, the support sheets are respectively positioned at two sides of the rollers along the direction of the slide way, the square ring is sleeved on the upper parts of the support sheets and is horizontally arranged, the support sheets are provided with semi-circular arc grooves for clamping the square ring, the upper ends of the support sheets are provided with a pair of flanges which are opposite to each other, the support sheets are horizontally clamped with steel sheets which are narrow in the middle and wide in two ends and are positioned between the square ring and the flanges, the support legs are provided with rectangular holes for the steel sheets to be inserted into, the cross section of each support sheet vertical to the direction of the slide way is an obtuse-angle-like triangle with the longest cross section sunken towards an obtuse angle, the shortest side of the cross section vertical to the direction of the slide way is opposite to the slide way, the square ring is provided with a plurality of first round holes at positions which are not in contact with the supporting sheet, round bars with thin middle and thick two ends are clamped in the first round holes, second round holes corresponding to the round bars are arranged at positions, higher than the supporting sheet, on the supporting legs, when the steel sheet is inserted into the rectangular holes, the bottoms of the supporting sheets are in contact with the slide ways, and when the round bars are inserted into the second round holes, the bottoms of the supporting sheets are separated from the slide ways.
The invention at least comprises the following beneficial effects: the position of second rings can be adjusted through the position of steel block among the removal track subassembly to the messenger hangs the electronic calabash on second rings and more conveniently hoists the jack and remove the steel strand wires in the prefabricated beam of stretch-draw, the setting of baffle subassembly does benefit to the construction security that improves at hoist jack in-process, and rotatory hoisting accessory's setting does benefit to taking out the jack from the transport vechicle with the jack and removes inside the platform truck, hangs the jack to the second rings on.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural view of a trolley according to one embodiment of the present invention;
FIG. 2 is a schematic side view of a trolley according to one embodiment of the present invention;
fig. 3 is a schematic structural diagram of a position control assembly according to one embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
In the description of the present invention, the terms "upper", "lower", "rear", "vertical", "horizontal", "bottom", "inner", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, the present invention provides a trolley for hoisting a tensioning jack for tensioning operation, including:
the supporting assembly 1 comprises a pair of symmetrically arranged supporting frames 11 and a pair of beams 12, two ends of each beam are respectively fixed on the pair of supporting frames 11 and the beams are arranged in parallel at intervals;
a track assembly 2, comprising:
the pair of channel steel 21 is in one-to-one correspondence with the pair of beams 12, two ends of one channel steel 21 are respectively fixed on the corresponding beams 12, and the notches of the channel steel 21 are downward;
the upper ends of the pulleys 22 abut against the inside of the waist of the channel steel 21, the lower ends of the pulleys 22 abut against the upper surface of the cross beam 12, the center of each pulley 22 penetrates through a first hanging ring 23, and the first hanging ring 23 is sleeved on the cross beam 12;
two sides of each steel block 24 are respectively and fixedly connected to the lower ends of the two first hanging rings 23, the two first hanging rings 23 are located on different cross beams 12, the steel blocks 24 are not crossed, and the steel blocks 24 are provided with a plurality of second hanging rings 25.
In the above technical scheme, the position of the steel block 24 is adjusted by moving the position of the pulley 22, so that the position of the second hanging ring 25 is adjusted, the electric hoist is hoisted on the second hanging ring 25, and the electric hoist hoists the tensioning jack to perform the operation of tensioning the steel strand, thereby being beneficial to the electric hoist to hoist the tensioning jack at the position most suitable for tensioning operation.
In another technical solution, a groove facing the waist of the channel steel 21 is formed on the upper surface of the beam 12, and the lower end of the pulley 22 abuts against the groove to guide the pulley 22, so that the pulley 22 can slide better.
In another technical scheme, the steel block 24 is an I-shaped steel, so that the installation is convenient, and the self weight of the steel block 24 is reduced.
In another technical solution, the method further includes: baffle subassembly 3, it includes that vertical a pair of dead lever, the both sides that are fixed in 11 rear sides of a pair of support frame and set up in opposite directions fix first steel sheet, one side on a pair of dead lever respectively in the second steel sheet of first steel sheet one side, just first steel sheet with the vertical setting of the axis of rotation of the articulated department of second steel sheet works as the second steel sheet orientation when first steel sheet rotates to the terminal point, first steel sheet with the second steel sheet overlaps, works as the second steel sheet deviates from when first steel sheet rotates to the terminal point, the opposite side of second steel sheet and the support frame contact that is close to articulated department one side do benefit to the construction security that improves in hoist and mount jack in-process.
In another technical scheme, the dead lever is L shaped steel, the articulated department of first steel sheet and second steel sheet adopts the hinge to articulate, does benefit to better fixed first steel sheet and second steel sheet.
In another technical solution, the method further includes: rotatory hoisting accessory 4, its including be fixed in rotation axis 41, the perpendicular connection of the vertical setting on one of them support frame 11 in bearing bar 42, the one end on rotation axis 41 upper portion connect in 41 lower parts of rotation axis and the other end connect in bracing piece 43 on the bearing bar 42 and connect in the lifting hook 44 of bearing bar 42 free end does benefit to taking out the jack-knifing from the transport vechicle and removes inside the platform truck, hangs the jack-knifing to the second rings on.
In another technical solution, the method further includes: and the ladder stand 5 is arranged on one of the support frames 11.
In another technical solution, the method further includes: a trolley slide device 6, comprising: a pair of slide ways and a pair of clamping devices are respectively arranged below the pair of support frames, and the upper ends of the slide ways are connected with a plurality of idler wheels on the supporting legs of the support frames 11, so that the trolley is moved conveniently.
In another technical solution, the method further includes: and one end of each reinforcing rod 7 is connected with the bottom of the cross beam 12, and the other end of each reinforcing rod 7 is fixed on the support frame 11, so that the trolley is firmer.
In another technical solution, the positioning device further comprises a plurality of positioning control assemblies 8, the plurality of positioning control assemblies 8 correspond to the plurality of rollers one by one, each positioning control assembly 8 comprises a pair of support plates 81 respectively located at two sides of the roller along the direction of the slide way and a square ring 82 which is sleeved on the upper portions of the pair of support plates 81 and horizontally arranged, the support plates 81 are provided with semi-circular arc grooves 83 for clamping the square ring 82, the upper ends of the pair of support plates 81 are provided with a pair of flanges 85 which are opposite to each other, the support plates 81 are horizontally clamped with a steel sheet 86 which is narrow in the middle and wide at two ends and is located between the square ring 82 and the flanges 85, the support plates are provided with rectangular holes for inserting the steel sheets 86, the section of the support plates 81 which is vertical to the direction of the slide way is a triangle with a longest obtuse angle, and the shortest side of the section of the support plates 81 which is vertical to the direction of the slide, the bottom of backing sheet 81 is equipped with a plurality of bellied triangular pyramids 87, the square ring on with the position of backing sheet contact is equipped with a plurality of first round holes 84, thin both ends thick round bar in the middle of the card is equipped with in the first round hole 84, the position that is higher than backing sheet 81 on the supporting legs is equipped with the second round hole that the round bar corresponds, works as steel sheet 86 inserts when the slot, the bottom of backing sheet 81 with the slide contact, works as the round bar inserts when the second round hole, the bottom of backing sheet 81 with the slide separation.
In the above technical scheme, work as steel sheet 86 inserts during the slot, backing sheet 81 the bottom with the slide contact, backing sheet 81's flange 85 butt is to the supporting legs on, backing sheet 81 produces great frictional force with the slide, backing sheet 81 hinders the removal of gyro wheel, and when making platform truck hoist and mount stretch-draw jack, the platform truck can be better fixed, takes out steel sheet 86 from the slot, and upward movement makes the round bar inserts in the second round hole, at this moment, backing sheet 81's bottom with the slide separation, the platform truck can slide in the slide.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (8)
1. A platform truck for hoisting tensioning jack carries out stretch-draw operation, its characterized in that includes:
the supporting assembly comprises a pair of symmetrically arranged supporting frames and a pair of cross beams, two ends of the cross beams are respectively fixed on the pair of supporting frames and the cross beams are arranged in parallel at intervals;
a track assembly, comprising:
the pair of channel steel is in one-to-one correspondence with the pair of cross beams, two ends of one channel steel are respectively fixed on the corresponding cross beams, and the notches of the channel steel are downward;
the upper ends of the pulleys abut against the inside of the waist of the channel steel, the lower ends of the pulleys abut against the upper surface of the cross beam, a first hanging ring penetrates through the center of each pulley, and the first hanging ring is sleeved on the cross beam;
the two sides of each steel block are respectively and fixedly connected to the lower ends of the two first lifting rings, the two first lifting rings are positioned on different cross beams, the steel blocks are not crossed, and the steel blocks are provided with a plurality of second lifting rings;
a trolley slide, the trolley slide comprising: the roller wheels are respectively positioned below the pair of supporting frames, and the upper ends of the roller wheels are connected to the supporting legs of the supporting frames;
the position control assemblies are in one-to-one correspondence with the rollers and comprise a pair of supporting sheets and a square ring, the supporting sheets are respectively positioned on two sides of the rollers along the direction of the slide way, the square ring is horizontally arranged and is sleeved on the upper parts of the pair of supporting sheets, a semicircular arc groove is arranged on each supporting sheet and is clamped with the square ring, a pair of flanges which are opposite to each other and inwards are arranged at the upper ends of the pair of supporting sheets, and the supporting sheets are horizontally clamped with steel sheets which are narrow in the middle and wide at two ends and are positioned between the square ring and the flanges; the supporting leg is provided with a rectangular hole for inserting the steel sheet, the supporting sheet is perpendicular to the cross section in the slide direction is a longest obtuse-angle triangle, one side of the cross section in the slide direction is opposite to the slide, the bottom of the supporting sheet is provided with a plurality of convex triangular pyramids, a plurality of first round holes are arranged at positions, which are not contacted with the supporting sheet, on the square ring, round bars with thick middle thin two ends are clamped in the first round holes, positions, which are higher than the supporting sheet, on the supporting leg are provided with second round holes corresponding to the round bars, when the steel sheet is inserted into the rectangular hole, the bottom of the supporting sheet is contacted with the slide, and when the round bars are inserted into the second round holes, the bottom of the supporting sheet is separated from the slide.
2. A trolley for use in hoisting a tension jack for performing a tensioning operation as claimed in claim 1, wherein the upper surface of the cross member is provided with a groove facing the waist of the channel, and the lower end of the pulley abuts against the groove.
3. A trolley for lifting a tensioning jack for tensioning operations as claimed in claim 1 wherein the steel block is i-steel.
4. A trolley for lifting a tensioning jack for tensioning operations as claimed in claim 1 further comprising: baffle assembly, it includes that vertical a pair of dead lever, both sides that are fixed in a pair of support frame rear side and set up in opposite directions fix first steel sheet, one side on a pair of dead lever respectively articulate in the second steel sheet of first steel sheet one side, just first steel sheet with the vertical setting of axis of rotation of the articulated department of second steel sheet works as the second steel sheet orientation when first steel sheet rotates to the terminal point, first steel sheet with the second steel sheet overlaps, works as the second steel sheet deviates from when first steel sheet rotates to the terminal point, the opposite side of second steel sheet and the support frame contact that is close to articulated department one side.
5. The trolley for hoisting a tensioning jack for tensioning operation according to claim 4, wherein the fixing rod is L-shaped steel, and the hinge joint of the first steel plate and the second steel plate is hinged by a hinge.
6. A trolley for lifting a tensioning jack for tensioning operations as claimed in claim 1 further comprising: the rotary hoisting device comprises a vertically arranged rotating shaft fixed on one support frame, a bearing rod vertically connected to the upper part of the rotating shaft, a supporting rod with one end connected to the lower part of the rotating shaft and the other end connected to the bearing rod, and a lifting hook connected to the free end of the bearing rod.
7. A trolley for lifting a tensioning jack for tensioning operations as claimed in claim 1 further comprising: the ladder stand is arranged on one of the support frames.
8. A trolley for lifting a tensioning jack for tensioning operations as claimed in claim 1 further comprising: and one end of each reinforcing rod is connected with the bottom of the cross beam, and the other end of each reinforcing rod is fixed on the support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320119.1A CN109264608B (en) | 2018-11-07 | 2018-11-07 | Trolley for hoisting tensioning jack for tensioning operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320119.1A CN109264608B (en) | 2018-11-07 | 2018-11-07 | Trolley for hoisting tensioning jack for tensioning operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109264608A CN109264608A (en) | 2019-01-25 |
| CN109264608B true CN109264608B (en) | 2020-05-15 |
Family
ID=65193084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811320119.1A Active CN109264608B (en) | 2018-11-07 | 2018-11-07 | Trolley for hoisting tensioning jack for tensioning operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109264608B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080159831A1 (en) * | 2006-12-31 | 2008-07-03 | Davis Julian W | Failure Proof Gantry Crane and Chain Jack Hoist Assembly |
| CN103832932B (en) * | 2014-03-31 | 2016-01-20 | 葛洲坝集团第一工程有限公司 | Prestressed stretch-draw hydraulic jack suspention mobile device |
| CN204525755U (en) * | 2015-04-10 | 2015-08-05 | 葛洲坝集团第五工程有限公司 | A kind of stretch-draw jack sliding support |
| CN205999791U (en) * | 2016-07-21 | 2017-03-08 | 中铁四局集团第五工程有限公司 | A kind of prestressed stretch-draw combination type tensioning stand |
| CN206417806U (en) * | 2017-01-17 | 2017-08-18 | 中交路桥建设有限公司 | Running type jack for precast beam prestressed stretch-draw suspends door frame in midair |
| CN206475294U (en) * | 2017-02-25 | 2017-09-08 | 余跃 | A kind of efficient safety-type tensioning baffle plate |
| CN206902552U (en) * | 2017-04-28 | 2018-01-19 | 中国一冶集团有限公司 | A kind of beam slab tensioning protective stent |
-
2018
- 2018-11-07 CN CN201811320119.1A patent/CN109264608B/en active Active
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| Publication number | Publication date |
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| CN109264608A (en) | 2019-01-25 |
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Address after: No. 29 Park Avenue XiXiangTang District, Nanning city 530007 the Guangxi Zhuang Autonomous Region Applicant after: China Railway Tunnel Bureau Group Construction Co., Ltd. Address before: No. 29 Park Avenue XiXiangTang District, Nanning city 530007 the Guangxi Zhuang Autonomous Region Applicant before: SICHU CO., LTD. OF CHINA RAILWAY TUNNEL Group |
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