CN215881480U - Auxiliary bracket for mounting and dismounting pin shaft - Google Patents
Auxiliary bracket for mounting and dismounting pin shaft Download PDFInfo
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- CN215881480U CN215881480U CN202120738282.0U CN202120738282U CN215881480U CN 215881480 U CN215881480 U CN 215881480U CN 202120738282 U CN202120738282 U CN 202120738282U CN 215881480 U CN215881480 U CN 215881480U
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Abstract
The utility model discloses a pin shaft mounting and dismounting auxiliary bracket which comprises a tray, two connecting plates, a base plate and hanging pieces, wherein the two hanging pieces are fixed on the outer side surface of a crane arm frame, the two hanging pieces are symmetrically arranged on the same horizontal line, the two connecting plates are arranged, the upper part of each connecting plate is rotatably connected with the hanging pieces, locking pieces are arranged above the joints of the hanging pieces and the connecting plates, fixing pieces matched with the locking pieces are arranged on the connecting plates, the locking pieces are matched and locked and fixed with the fixing pieces when the connecting plates rotate and turn upwards around the hanging pieces, the base plate is arranged on the lower part of one side, which is in contact with the crane arm frame, of the connecting plates, the tray is fixed on one side, which is far away from the crane arm frame, of the connecting plates, the tray is perpendicular to the whole crane arm frame, and the tray is right opposite to a pin shaft hole of the crane arm frame. The utility model frees auxiliary personnel required for mounting and dismounting the pin shaft, improves the whole mounting and dismounting efficiency, reduces the labor cost, the labor intensity and the mounting difficulty, and leads the mounting and dismounting work to be more convenient and humanized.
Description
Technical Field
The utility model relates to the technical field of tower crane auxiliary equipment, and particularly belongs to an auxiliary bracket for mounting and dismounting a pin shaft.
Background
A part of crane jib supports in the medium-large tower crane are stressed greatly, and are designed to meet the strength requirement, and pin shafts with large shaft diameters are adopted during connection between the jibs, the shaft diameters of the pin shafts are usually 80-120mm, the length is 300-500mm, the weight is 20-40Kg, and the installation height is 1.7 m-2.1 m. When the connecting pin shaft is installed, at least two workers are needed for operation, one worker assists in horizontally lifting the pin shaft, and the other worker uses a hammer to drive the pin shaft into the connecting hole. In actual installation, due to the reasons of heavy pin shafts, high installation positions, misplacement of connecting holes between arm supports and the like, the installation difficulty is high, the labor time is long, the labor intensity of auxiliary personnel is too high, and multiple installation personnel are often needed for assistance. When the hinge pin is disassembled, two workers are needed, one worker is responsible for knocking out the hinge pin, and the other worker is responsible for catching the hinge pin to avoid the hinge pin from falling.
As the crane jib of the medium-large tower crane is stressed greatly, the diameter, the length and the mass of a connecting pin shaft used for meeting the strength requirement are all large, so that the labor intensity of workers is high; meanwhile, when the arm support is hoisted, the connection holes are staggered, and the installation height is high, so that the installation difficulty of the pin shaft and the labor intensity of work are further increased. When the pin shaft is disassembled, the work can be finished by assistance of auxiliary personnel.
The problems of too many auxiliary personnel, high labor intensity, difficult installation and the like exist in the existing installation of the arm support connecting pin shaft. Along with the rise of cost of labor and the increase to humanized demand, current mounting means can't satisfy the demand in market already, and high strength, long-time work can reduce holistic installation effectiveness undoubtedly, influence the engineering progress, increase the cost of labor. It is therefore necessary to find an auxiliary bracket that can solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems of great labor intensity, high labor cost, low efficiency and the like in the mounting and dismounting of the connecting pin shaft of the existing crane boom, and designs a universal quick-mounting pin shaft mounting and dismounting auxiliary device, thereby freeing auxiliary personnel required in the mounting and dismounting of the pin shaft, improving the overall mounting and dismounting efficiency, reducing the labor cost, the labor intensity and the mounting difficulty, and enabling the mounting and dismounting work to be more convenient and humanized. In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a round pin axle ann tears auxiliary bracket open, includes tray, connecting plate, backing plate and pendant, the pendant has two and fixes on the lateral surface of crane jib, and two pendants are located the symmetry setting on the same water flat line, the upper portion that the connecting plate was equipped with two and every connecting plate respectively with pendant rotatable coupling, the top of pendant and connecting plate junction is equipped with the retaining member, be equipped with the mounting with the retaining member adaptation on the connecting plate, retaining member and mounting adaptation locking are fixed when making the connecting plate rotate to turn up round the pendant, and the one side lower part that this connecting plate and crane jib contacted sets up the backing plate, the tray is fixed on the connecting plate and is kept away from crane jib contact's one side, and this tray is perpendicular with whole crane jib, makes this tray just face the round pin shaft hole of crane jib.
Further, the pendant includes couple and lower couple, go up couple position under the couple directly over the couple, the connecting plate passes through the pendant and connects through couple down, is equipped with two perforation on this connecting plate, wherein lies in the top and perforates and couple the overlapping and set up the connecting piece and run through two couple down and the perforation on the connecting plate fixedly down.
Furthermore, the retaining member is an upper hook and a bolt, the fixing member on the connecting plate is a through hole, the through hole is overlapped with the upper hook when the connecting plate turns upwards around the hanging member, and the bolt is inserted to penetrate through the upper hook and be fixed with the through hole.
Further, the connecting piece is a metal round rod.
Furthermore, the connecting plate is two upper and lower limit ascending squares that incline, and both sides limit is vertical downwards, and two angle departments on the upper portion of this connecting plate are equipped with two perforation, and the perforation that wherein is located the eminence is connected with the lower couple in the pendant, and the perforation that is located the low department can be dismantled with the retaining member and be connected.
Furthermore, the tray is a square box with an opening at the upper part, one side surface of the tray, which is close to the crane arm support, is not provided with a baffle, and one side surface of the tray, which is far away from the crane arm support, is provided with a baffle.
Further, the baffle plate is detachably fixed on the tray.
Furthermore, the mounting method of the bracket comprises the steps that the pendant is welded on the side face of the crane boom, the connecting plate penetrates through the through hole in the upper side and the lower hook through the metal round rod connecting piece to be rotatably fixed, and the pin shaft is driven into the pin shaft through hole by using a hand hammer, so that the mounting of the pin shaft can be completed.
Further, the mounting method of the bracket comprises the steps that the hanging piece is welded on the side face of the crane arm support, the connecting plate penetrates through the through hole in the upper side through the metal round rod connecting piece and is rotatably fixed with the lower hook, the bracket is fixed at the upper hook through the bolt after being turned upwards, and manual auxiliary mounting is carried out.
In summary, due to the adoption of the technical scheme, the utility model has the following technical effects:
1. one person can complete the installation work of the pin shaft through the pin shaft bracket, so that auxiliary personnel can be liberated, the labor intensity and the labor cost are reduced, and the efficiency is improved;
2. the bracket is simple and convenient to mount, is designed in a quick-mounting manner, is convenient to mount and dismount, and simultaneously ensures the use safety;
3. the pin shaft has small eccentricity, reduces the installation difficulty of the pin shaft due to eccentricity and is convenient for installation;
4. the universal hinge pin has strong universality, can be used for hinge pins of various machine types and various shaft diameters, and can be used on crane arm supports of various machine types and various shaft diameters;
5. and a space for manual auxiliary installation is reserved, so that the installation requirement on the site is met.
Drawings
FIG. 1 is a side view of the bracket of the present invention;
FIG. 2 is a front view of the bracket of the present invention;
FIG. 3 is a schematic view of the present invention after installation;
FIG. 4 is a schematic view of the second embodiment of the present invention after installation;
in the drawings: the tray comprises a tray 1, a baffle 11, a connecting plate 2, a backing plate 3, a hanging part 4, an upper hook 41, a lower hook 42, a bolt 51, a fixing part 6, a bolt shaft hole 7, a pin shaft 8 and a connecting part 9.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings by way of examples of preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
Example 1
As shown in figure 1, the auxiliary bracket for mounting and dismounting the pin shaft comprises a tray 1, a connecting plate 2, a backing plate 3 and a hanging piece 4, the two hanging pieces 4 are fixed on the outer side surface of the crane arm support, the two hanging pieces 4 are symmetrically arranged on the same horizontal line, the two connecting plates 2 are arranged, the upper part of each connecting plate 2 is respectively and rotatably connected with the hanging piece 4 through a connecting piece 9, a locking piece is arranged above the connecting part of the hanging piece 4 and the connecting plate 2, the connecting plate is provided with a fixing piece 6 matched with the locking piece, so that the locking piece is matched, locked and fixed with the fixing piece 6 when the connecting plate 2 rotates around the hanging piece 4 and turns upwards, a base plate is arranged at the lower part of one side of the connecting plate 2, which is contacted with the crane arm support, the tray 1 is fixed at one side of the connecting plate 2, which is far away from the crane arm support, the tray 1 is perpendicular to the whole crane arm support, so that the tray 1 is opposite to a pin shaft hole 7 of the crane arm support. The auxiliary bracket can replace manual auxiliary mounting and dismounting, and the mounting work of the pin shaft 8 can be completed by only one person, so that the labor intensity and the labor cost are greatly reduced, and the mounting efficiency is improved; the quick-mounting design is adopted, so that the mounting of the bracket is simple and convenient; the locking piece which is turned upwards and fixed by the connecting plate around the pendant is a safety pin which ensures the safety of the quick-assembly type; during design, the pin shaft 8 is overlapped with the center of the connecting hole in the bracket as much as possible, and the installation difficulty caused by the eccentricity of the pin shaft is reduced; by evaluating the shaft diameter of the pin shaft used in the market, the universality of the pin shaft bracket is improved as much as possible, and the pin shaft with the shaft diameter of 145mm at most can be compatible; and meanwhile, the installation mode of manual assistance and bracket assistance is provided, so that the field installation requirement is met.
The pendant 4 includes couple 41 and couple 42 down, it is directly over couple 42 under 41 positions to go up the couple, connecting plate 2 passes through the pendant and connects through couple 42 down, be equipped with two perforation on this connecting plate 2, it overlaps and sets up the connecting piece and runs through couple 42 and the perforation on connecting plate 2 down to be fixed with couple 42 down to be located the top wherein, connecting piece 9 is the metal round bar, this connecting piece disect insertion couple 42 and connecting plate 2 down the perforation fix, still can set up the buckle chucking on the connecting piece 9, perhaps with connecting piece direct weld fixation on the connecting plate, connecting plate 2 is connected with pendant 4 and is directly hangs the connecting piece and form rotatable connection on the couple down of both sides.
The locking parts are an upper hook 41 and a bolt 51, the fixing part 6 on the connecting plate 2 is a through hole, the through hole is overlapped with the upper hook 41 when the connecting plate 2 turns upwards around the hanging part, the bolt 51 is inserted to penetrate through the upper hook and be fixed with the through hole, and the bolt 51 is a round rod and directly penetrates through the fixing part and the upper hook to fix the connecting plate and the whole tray at the upwards turned position.
The connecting plate 2 is a square with an upper edge and a lower edge inclined upwards, two side edges are vertical downwards, two corners of the upper part of the connecting plate 2 are provided with two through holes, the through hole at the high position is connected with the lower hook 42 in the hanging piece, and the through hole at the low position is detachably connected with the locking piece.
The tray 1 is a square box with an opening at the upper part, one side surface of the tray 1 close to the crane arm support is not provided with a baffle, and one side surface far away from the crane arm support is provided with a baffle 11. Baffle 11 can be dismantled and fix on the tray, can set up the slot on the tray with baffle 11 disect insertion, forms upper portion and a side open-ended square groove, can hold the round pin axle, directly catches round pin axle 8 when the round pin axle is beaten out, safety just reduces the operation of artifical picking up.
The first mounting method of the bracket is to weld the pendant on the side surface of the crane boom, the connecting plate passes through the through hole on the upper side through the metal round bar connecting piece and is rotatably fixed with the lower hook, and the pin shaft is driven into the pin shaft through hole by using a hand hammer, so that the mounting of the pin shaft can be completed.
The second mounting method of the bracket is to weld the pendant on the side surface of the crane boom, the connecting plate passes through the perforation on the upper side through the metal round bar connecting piece and is rotatably fixed with the lower hook, the bracket is fixed at the upper hook through the bolt after being turned upwards, and the mounting is assisted manually.
The bracket of the embodiment is an installing and detaching auxiliary device for a large pin shaft connected with a crane boom of a tower crane, and provides auxiliary functions of lifting and placing when the pin shaft is installed and detached. The pin shaft bracket consists of a baffle, a tray, a connecting plate, a base plate and a hanging rod, wherein the baffle is used for preventing the pin shaft from falling out of the bracket; the bracket provides auxiliary support for the pin shaft; the connecting plate is used for safe pin connection; the backing plate provides pre-warping for the bracket, so that the eccentricity degree of the pin shaft is reduced; the hanging rod is used for quick installation of the bracket.
The bracket is designed with two mounting modes, wherein the first mounting mode is a main use working condition, and when the bracket is used, the pin shaft is placed into the bracket and then is driven into a connecting hole position from the upper part by a hand hammer; and in the second mounting mode, a twelve-pound sledge hammer and manual auxiliary mounting are required in consideration of possible partial dislocation of pin shaft holes and insufficient machining precision of connecting holes.
As shown in the figure, the bracket hook is welded and fixed on the arm support connecting lug plate, and the relative position of the hook and the center of the connecting hole is adjusted to weld aiming at the pin shafts with different shaft diameters. The bracket adopts a quick-mounting design, and the hanging rod of the bracket can be used after being hung into the hook.
When the installation mode is used, the hanging rod of the bracket is hung in the hook, and the pin shaft is driven into the connecting hole by the hand hammer to complete the installation of the pin shaft. The bracket base plate enables the bracket to be upwarped, so that the support can be provided for the tail part of the connecting pin shaft, the eccentric dislocation quantity of the pin shaft is reduced, and the pin shaft is convenient to mount;
when the second installation mode is used, the bracket needs to be turned upwards, the safety pin penetrates into the bracket to fix the bracket and the hook, and the installation space of manual assistance and a twelve-pound hammer is reserved below the bracket for the pin shaft for manual installation.
After the installation is completed, the bracket is turned upwards and inserted into the safety pin for fixing, so that the bracket is prevented from being separated from the hook due to the impact received by the arm support during the operation, and the use safety of the bracket is ensured.
When the pin shaft needs to be disassembled, the safety pin is pulled out to put down the bracket, the pin shaft can naturally fall into the bracket when being hammered out by a hammer, and personnel do not need to be arranged to catch the pin shaft.
The bracket of this embodiment is torn open for the ann of crane boom round pin axle and is provided auxiliary stay and the effect of accomodating, can replace assistant personnel completely, and the convenience is torn open to the ann, and the safety pin guarantees safe in utilization, reduces the eccentric installation degree of difficulty to the round pin axle, can generally remain artifical supplementary installation space on a plurality of models, multiple footpaths, adapts to on-the-spot installation demand, still remains artifical supplementary installation space, adapts to on-the-spot installation demand.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (7)
1. The utility model provides an auxiliary bracket is torn open in round pin axle ann which characterized in that: the hanging parts are two and fixed on the outer side face of the crane boom, the two hanging parts are symmetrically arranged on the same horizontal line, the upper portion of each connecting plate is rotatably connected with the hanging parts, locking parts are arranged above the joints of the hanging parts and the connecting plates, fixing parts matched with the locking parts are arranged on the connecting plates, the locking parts are locked and fixed with the fixing parts in a matched mode when the connecting plates are turned upwards around the hanging parts, the backing plates are arranged on the lower portions of the connecting plates, which are in contact with the crane boom, the tray is fixed on the connecting plates, is far away from one side, which is in contact with the crane boom, and is perpendicular to the whole crane boom, and the tray is right opposite to a pin shaft hole of the crane boom.
2. The auxiliary bracket for mounting and dismounting a pin shaft according to claim 1, characterized in that: the pendant includes couple and lower couple, go up couple position directly over the couple, the connecting plate passes through the pendant and connects through couple down, is equipped with two perforation on this connecting plate, wherein lies in the top and perforates and couple overlap and set up the connecting piece and run through two couple down and the perforation on the connecting plate fixedly down.
3. The auxiliary bracket for mounting and dismounting a pin shaft according to claim 2, characterized in that: the retaining member is last couple and bolt, the mounting on the connecting plate is for perforating, and the connecting plate is around the pendant upset go the time perforation and last couple overlap, inserts the bolt and runs through the couple and perforate fixedly.
4. The auxiliary bracket for mounting and dismounting a pin shaft according to claim 3, wherein: the connecting piece is a metal round rod.
5. The auxiliary bracket for mounting and dismounting a pin shaft according to claim 4, wherein: the connecting plate is two upper and lower limit ascending squares that incline, and both sides limit is vertical downwards, and two angle departments in the upper portion of this connecting plate are equipped with two perforation, and the perforation that wherein is located the eminence is connected with the lower couple in the pendant, and the perforation that is located the low department can be dismantled with the retaining member and be connected.
6. The auxiliary bracket for mounting and dismounting a pin shaft according to claim 5, wherein: the tray is a square box with an opening at the upper part, one side surface of the tray close to the crane arm support is not provided with a baffle, and one side surface of the tray far away from the crane arm support is provided with a baffle.
7. The auxiliary bracket for mounting and dismounting a pin shaft of claim 6, wherein: the baffle is detachably fixed on the tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120738282.0U CN215881480U (en) | 2021-04-13 | 2021-04-13 | Auxiliary bracket for mounting and dismounting pin shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120738282.0U CN215881480U (en) | 2021-04-13 | 2021-04-13 | Auxiliary bracket for mounting and dismounting pin shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215881480U true CN215881480U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120738282.0U Active CN215881480U (en) | 2021-04-13 | 2021-04-13 | Auxiliary bracket for mounting and dismounting pin shaft |
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| CN (1) | CN215881480U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113021253A (en) * | 2021-04-13 | 2021-06-25 | 广西建工集团建筑机械制造有限责任公司 | Auxiliary bracket for mounting and dismounting pin shaft and using method thereof |
-
2021
- 2021-04-13 CN CN202120738282.0U patent/CN215881480U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113021253A (en) * | 2021-04-13 | 2021-06-25 | 广西建工集团建筑机械制造有限责任公司 | Auxiliary bracket for mounting and dismounting pin shaft and using method thereof |
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