CN112723164A - Building tower crane verticality detection device - Google Patents
Building tower crane verticality detection device Download PDFInfo
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- CN112723164A CN112723164A CN202011586972.5A CN202011586972A CN112723164A CN 112723164 A CN112723164 A CN 112723164A CN 202011586972 A CN202011586972 A CN 202011586972A CN 112723164 A CN112723164 A CN 112723164A
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- fixed
- rod
- tower crane
- horizontal
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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
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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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
Abstract
The invention discloses a building tower crane verticality detection device, which comprises a fixed mounting unit and an offset angle measuring unit, wherein the offset angle measuring unit is fixedly arranged in the fixed mounting unit, a vertical needle swinging piece is movably sleeved on an inserting ball head arranged on a leveling fixing rod through a ball hole head of a connecting sleeve at the upper end of a counterweight rod, so that the vertical needle swinging piece can smoothly rotate.
Description
Technical Field
The invention relates to the technical field of perpendicularity detection equipment, in particular to a perpendicularity detection device for a building tower crane.
Background
The tower crane is the most common hoisting equipment on the construction site, also called 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 by the extension (height) of one section and one section (called standard section for short). The tower crane is an indispensable device on a construction site. The requirements for perpendicularity of the tower crane from page 30 of JGJ196-2010 construction Tower crane installation, use and disassembly safety technical rules are as follows: the perpendicularity of the tower body axis above the highest attachment point to the supporting surface in an independent state or an attachment state is not greater than 4/1000, and the perpendicularity of the tower body axis below the highest attachment point to the supporting surface is not greater than 2/1000 of the corresponding height.
To the tower crane straightness that hangs down detection, adopt the theodolite to measure mostly, nevertheless use the theodolite to measure very inconvenient, still observe measurationly with adopting the plumbous piece of hammering into shape simultaneously, this mode is when wind is big, is not convenient for carry out accurate measurement.
Aiming at the problems, the invention provides a building tower crane perpendicularity detection device.
Disclosure of Invention
The invention aims to provide a building tower crane verticality detection device which comprises a fixed mounting unit and an offset angle measuring unit, wherein the offset angle measuring unit is fixedly arranged in the fixed mounting unit, a theodolite is not required for measuring, the device is convenient and trouble-saving, and meanwhile, the device can be used under the condition of high wind, so that the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a building tower crane verticality detection device comprises a fixed mounting unit and an offset angle measuring unit, wherein the offset angle measuring unit is fixedly arranged in the fixed mounting unit, the fixed mounting unit is provided with a fixed shell and a connecting rod piece, the connecting rod piece is fixedly arranged on the side surface of the fixed shell to form a whole fixed mounting unit, and the offset angle measuring unit is fixedly arranged in the fixed shell;
the offset angle measuring unit is provided with a horizontal fixing piece and an inclination angle measuring assembly, the inclination angle measuring assembly is fixedly arranged on the horizontal fixing piece to form an integral offset angle measuring unit, and the horizontal fixing piece is fixedly arranged in the fixing shell;
the inclination angle measuring assembly is provided with a horizontal cross rod piece and a vertical needle swinging piece, one end of the vertical needle swinging piece is movably installed on the horizontal cross rod piece to form the whole inclination angle measuring assembly, and the horizontal cross rod piece is installed on the horizontal fixing piece.
Further, the connecting rod piece is provided with a fixed hole block, a connecting column, a locking bolt, a right-angle welding piece and a limiting column cap, the fixed hole block is fixedly welded on the side face of the fixed shell, the connecting column is movably inserted in the fixed hole block, the locking bolt is installed on the side face of the fixed hole block in a threaded mode and stretches into the hole, and the right-angle welding piece and the limiting column cap are fixedly welded at two ends of the connecting column respectively.
Furthermore, an arc-shaped clamping block is arranged on the hole wall of the fixed hole block, an arc-shaped limiting groove cabinet is arranged on the side wall of the connecting column, and the arc-shaped clamping block is movably clamped in the arc-shaped limiting groove cabinet.
Furthermore, the horizontal fixing piece is provided with a fixing base block, a liquid level leveling ring and a fixing support plate, the liquid level leveling ring is fixedly installed in the middle of the side face of the fixing base block, and the fixing support plate is fixedly welded at two ends of the side face of the fixing base block;
the fixed base block is provided with an installation ring groove and angle measurement scale marks, the installation ring groove is formed in the middle of the side face of the fixed base block, and the angle measurement scale marks are engraved on the outer ring of the installation ring groove;
the liquid level leveling ring is provided with a transparent rubber ring, a cavity and two groups of horizontal reference scribed lines, wherein the cavity is formed in the transparent rubber ring, red ink is filled in the cavity, and the two groups of horizontal reference scribed lines are fixedly scribed on the transparent rubber ring and are positioned on the same diameter of the transparent rubber ring.
Furthermore, the horizontal cross rod piece is provided with a leveling fixing rod, a connecting end and an adjusting connecting piece, the welding connecting end is fixedly arranged in the middle of the side surface of the leveling fixing rod, and the adjusting connecting piece is fixedly arranged at two ends of the leveling fixing rod and fixedly connected with the fixed supporting plate.
Further, the leveling fixed rod is provided with an installation notch, an arc-shaped groove rail, a steel ball, a horizontal center indicating groove and an installation hole block, the installation notch is formed in the middle of the leveling fixed rod, the arc-shaped groove rail is formed in the groove wall of the installation notch, the steel ball is movably installed in the installation notch, two ends of the steel ball are clamped in the arc-shaped groove rail, the horizontal center indicating groove is fixedly formed in the middle of the side face of the leveling fixed rod, and the installation hole block is fixedly welded at two ends of the leveling fixed rod.
Furthermore, the connecting end is provided with a supporting block, a connecting rod and an inserting ball head, the supporting block is fixedly welded on the leveling fixing rod, one end of the connecting rod is fixedly welded on the side face of the supporting block, and the other end of the connecting rod is fixedly welded with the inserting ball head.
Furthermore, the adjusting and connecting piece is provided with a threaded column, a first internal thread ring, a first reset spring and a second internal thread ring, the threaded column is movably inserted in a hole of the mounting hole block, the two ends of the threaded column are fixedly welded on the fixed supporting plate, the first internal thread ring and the second internal thread ring are installed on the threaded column in a threaded mode and are respectively located on the upper side and the lower side of the mounting hole block, the first reset spring is sleeved on the threaded column, and one end of the first reset spring is fixed on the upper end face of the mounting hole block.
Furthermore, the vertical needle swinging piece is provided with a balance weight rod, a connecting sleeve ball hole head, an upper swinging needle, a lower swinging needle and a return auxiliary piece, the two ends of the balance weight rod are fixedly welded with the sleeve ball hole head and the lower swinging needle respectively, the lower end of the balance weight rod is provided with an installation groove position, the connecting sleeve ball hole head is movably sleeved on the plug-in ball head, the upper swinging needle is fixedly welded at the upper end of the connecting sleeve ball hole head, and the return auxiliary piece is fixedly installed in the installation groove position arranged at the lower end of the balance weight rod.
Furthermore, the return auxiliary part is provided with a counterweight ball and a second return spring, the counterweight ball is movably arranged in the mounting groove, one end of the second return spring is fixedly mounted on the side face of the counterweight ball, and the other end of the second return spring is fixed on the side wall of the mounting groove.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides a building tower crane verticality detection device, wherein a connecting column is movably inserted on a fixed hole block welded on the side surface of a fixed shell, a right-angle welding sheet is welded at one end of the fixed hole block, the right-angle welding sheet is fixedly welded at the upper end of a building tower crane, the right angle of the right-angle welding sheet is welded with the right-angle side edge of a standard knot of the building tower crane, so that the installation of the fixed shell can reach the installation in a horizontal state, the connecting column can move on the fixed hole block, the distance between the fixed shell and the standard knot can be conveniently adjusted, the right-angle welding sheet is conveniently welded on the right-angle side edge of the standard knot, an arc-shaped clamping block is arranged on the hole wall of the fixed hole block, an arc-shaped limiting groove cabinet is arranged on the side wall of the connecting column, the arc-shaped clamping block is movably clamped in the arc-shaped limiting groove, the right-angle welding sheet at one end of the connecting column is always kept in a state of being matched with the right-angle side edge of the standard knot before welding.
2. The invention provides a building tower crane verticality detection device, wherein a cavity arranged in a transparent rubber ring is filled with red ink, the transparent rubber ring is fixedly arranged in an installation ring groove arranged on a fixed base block, so that when the fixed base block is installed, whether the fixed base block is horizontal after being installed in a fixed shell can be judged by whether the liquid level in the transparent rubber ring is level with a horizontal reference scribed line, the installation angle of the fixed base block is adjusted, meanwhile, a horizontal cross rod piece is installed on a fixed supporting plate through adjusting connecting pieces at two ends, when the horizontal cross rod piece is installed in a non-horizontal state, a steel ball movably installed in an installation groove opening of a leveling fixed rod can be deviated, the horizontal cross rod piece is in a horizontal state through adjusting the adjusting connecting piece at any side when the horizontal cross rod piece is deviated, and when the horizontal cross rod piece is adjusted, the second internal thread ring at the lower end of the installation hole, and one end of the leveling fixing rod is jacked upwards to enable the leveling fixing rod to reach a horizontal state.
3. The invention provides a building tower crane verticality detection device, which is characterized in that a vertical needle swinging piece is movably sleeved on an inserting ball head arranged on a leveling fixing rod through a connecting sleeve ball hole head at the upper end of a balance weight rod, so that the vertical needle swinging piece can smoothly rotate, when the building tower crane is not vertical, the fixed shell inclines along with the tower crane, the fixed base block fixedly arranged in the fixed shell inclines along with the fixed shell, the vertical needle swinging piece is still in a vertical state at the moment, the lower needle swinging at the lower end points to the angle measurement scale mark carved on the fixed base block, comparing with the pointed angle measurement scale mark when the inclination does not occur to obtain the inclination angle, this simple structure is convenient, is convenient for detect building tower crane straightness that hangs down, simultaneously, adopts the plummet piece to survey measuring mode with the tradition and compares, can not receive the influence of wind, can measure under the windy condition and detect.
4. According to the building tower crane verticality detection device provided by the invention, the counterweight ball is movably arranged in the installation slot position formed at the lower end of the counterweight rod through the second return spring, when the counterweight rod shakes, the lower end of the counterweight rod can deviate to one side, at the moment, the counterweight ball moves to one side in the opposite direction of the deviation in the installation slot position, the gravity of the counterweight ball generates a force in the opposite direction to the deviation direction of the counterweight rod, so that the shaking of the counterweight rod is reduced, the second return spring can buffer and absorb the force generated when the counterweight ball moves, the counterweight ball can return to the initial position quickly, and the counterweight rod can return to the vertical state quickly while shaking is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the device for detecting the perpendicularity of the building tower crane of the invention;
FIG. 2 is a schematic structural diagram of a fixed mounting unit of the device for detecting the perpendicularity of the building tower crane of the invention;
FIG. 3 is an enlarged view of the position A in FIG. 2 of the device for detecting the perpendicularity of the building tower crane according to the present invention;
FIG. 4 is a schematic structural diagram of an offset angle measuring unit of the device for detecting the perpendicularity of the building tower crane of the present invention;
FIG. 5 is a schematic structural view of a horizontal fixing member of the device for detecting the perpendicularity of the building tower crane of the present invention;
FIG. 6 is a schematic diagram of a liquid level leveling ring structure of the device for detecting the perpendicularity of the building tower crane of the present invention;
FIG. 7 is a schematic structural view of an inclination angle measurement component of the device for detecting the perpendicularity of a building tower crane of the present invention;
FIG. 8 is a schematic structural view of a horizontal cross rod of the device for detecting the perpendicularity of a building tower crane of the present invention;
FIG. 9 is a schematic structural view of an adjusting connecting member of the device for detecting the perpendicularity of a building tower crane of the present invention;
FIG. 10 is a schematic structural view of a vertical needle swinging member of the device for detecting the perpendicularity of a building tower crane according to the present invention;
FIG. 11 is a schematic structural view of a return auxiliary member of the device for detecting the perpendicularity of the building tower crane of the present invention.
In the figure: 1. a fixed mounting unit; 11. a stationary housing; 12. connecting rod pieces; 121. fixing the hole block; 1211. an arc-shaped clamping block; 122. connecting columns; 1221. an arc-shaped limit groove cabinet; 123. locking the bolt; 124. welding a right-angle welding sheet; 125. a limiting column cap; 2. an offset angle measuring unit; 21. a horizontal fixing member; 211. fixing the base block; 2111. installing a ring groove; 2112. angle measurement scale lines; 212. a liquid level leveling ring; 2121. a transparent rubber ring; 2122. a cavity; 2123. a horizontal reference reticle; 213. fixing the support plate; 22. an inclination measuring assembly; 221. a horizontal cross bar member; 2211. leveling the fixed rod; 22111. installing a notch; 22112. an arc-shaped groove rail; 22113. a steel ball; 22114. a horizontal center indicating slot; 22115. mounting a hole block; 2212. connecting the end heads; 22121. a support block; 22122. a connecting rod; 22123. inserting a ball head; 2213. adjusting the connecting piece; 22131. a threaded post; 22132. a first internally threaded ring; 22133. a first return spring; 22134. a second internally threaded ring; 222. a vertical needle swinging piece; 2221. a weight lever; 22211. installing a slot position; 2222. connecting a sleeve ball hole head; 2223. upward swinging the needle; 2224. downward swinging needle; 2225. a return aid; 22251. a counterweight ball; 22252. a second return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a device for detecting the perpendicularity of a building tower crane comprises a fixed mounting unit 1 and an offset angle measuring unit 2, wherein the offset angle measuring unit 2 is fixedly arranged in the fixed mounting unit 1.
Referring to fig. 2-3, the fixed mounting unit 1 is provided with a fixed housing 11 and a connecting rod 12, the connecting rod 12 is fixedly disposed on a side surface of the fixed housing 11 to form an integral fixed mounting unit 1, and the offset angle measuring unit 2 is fixedly mounted in the fixed housing 11; the connecting rod 12 is provided with a fixed hole block 121, a connecting column 122, a locking bolt 123, a right-angle welding sheet 124 and a limiting column cap 125, the fixed hole block 121 is fixedly welded on the side surface of the fixed shell 11, the connecting column 122 is movably inserted on the fixed hole block 121, the locking bolt 123 is installed on the side surface of the fixed hole block 121 in a threaded manner and extends into the hole, and the right-angle welding sheet 124 and the limiting column cap 125 are respectively and fixedly welded at two ends of the connecting column 122; an arc-shaped clamping block 1211 is arranged on the hole wall of the fixed hole block 121, an arc-shaped limiting groove cabinet 1221 is arranged on the side wall of the connecting column 122, the arc-shaped clamping block 1211 is movably clamped in the arc-shaped limiting groove cabinet 1221, the connecting column 122 is movably inserted into the fixed hole block 121 welded on the side face of the fixed shell 11, a right-angle welding sheet 124 is welded at one end of the fixed hole block 124, the right-angle welding sheet 124 is fixedly welded at the upper end of a tower crane, the right angle of the right-angle welding sheet 124 is welded with the right-angle side edge of a standard knot of the tower crane, so that the installation of the fixed shell 11 can reach the installation in a horizontal state, the connecting column 122 can move on the fixed hole block 121, the distance between the fixed shell 11 and the standard knot can be conveniently adjusted, the right-angle welding sheet 124 is conveniently welded on the right-angle side edge of the standard knot, the arc-shaped clamping block 1211 is arranged on the hole wall of the fixed hole, the arc-shaped clamping block 1211 is movably clamped in the arc-shaped limiting groove cabinet 1221, so that the connecting column 122 cannot rotate when moving in the hole of the fixing hole block 121, and the right-angle welding sheet 124 at one end of the connecting column 122 is always kept in a state of being matched with the right-angle side of the standard knot before welding.
Referring to fig. 4, the offset angle measuring unit 2 is provided with a horizontal fixing member 21 and an inclination angle measuring assembly 22, the inclination angle measuring assembly 22 is fixedly mounted on the horizontal fixing member 21 to form the offset angle measuring unit 2 as a whole, and the horizontal fixing member 21 is fixedly mounted in the fixing housing 11.
Referring to fig. 5-6, the horizontal fixing member 21 is provided with a fixing base block 211, a liquid level leveling ring 212 and a fixing support plate 213, wherein the liquid level leveling ring 212 is fixedly installed in the middle of the side surface of the fixing base block 211, and the fixing support plate 213 is fixedly welded at both ends of the side surface of the fixing base block 211; the fixed base block 211 is provided with an installation ring slot 2111 and angle measurement scale lines 2112, the installation ring slot 2111 is arranged in the middle of the side surface of the fixed base block 211, and the angle measurement scale lines 2112 are engraved on the outer ring of the installation ring slot 2111; the liquid level leveling ring 212 is provided with a transparent rubber ring 2121, a cavity 2122 and two groups of horizontal reference scribed lines 2123, the cavity 2122 is arranged in the transparent rubber ring 2121, red ink is filled in the cavity 2122, the two groups of horizontal reference scribed lines 2123 are arranged, the two groups of horizontal reference scribed lines 2123 are fixedly scribed on the transparent rubber ring 2121 and are positioned on the same diameter of the transparent rubber ring 2121, the red ink is filled in the cavity 2122 arranged in the transparent rubber ring 2121, the transparent rubber ring 2121 is fixedly arranged in a mounting ring groove 2111 arranged in the fixed base block 211, so that when the fixed base block 211 is mounted, whether the fixed base block 211 is horizontal after being mounted in the fixed shell 11 can be judged by whether the liquid level in the transparent rubber ring 2121 is level with the horizontal reference scribed lines 2123, the mounting angle of the fixed base block 211 is adjusted, and the horizontal cross rod part 221 is mounted on the fixed support plate 213 through the adjusting connecting parts 2213 at two ends, when the horizontal bar member 221 is installed in a non-horizontal state, the steel ball 22113 movably installed in the installation slot 22111 of the leveling fixing rod 2211 will shift, and when the horizontal bar member 221 is deviated to which side, the horizontal bar member 221 is in a horizontal state by adjusting the adjusting connecting member 2213 of which side, and when adjusting, one end of the leveling fixing rod 2211 is lifted upwards by screwing the second internal thread ring 22134 at the lower end of the installation hole block 22115, so that the leveling fixing rod 2211 is in a horizontal state.
Referring to fig. 7, the inclination angle measuring assembly 22 is provided with a horizontal bar member 221 and a vertical needle swinging member 222, one end of the vertical needle swinging member 222 is movably mounted on the horizontal bar member 221 to form the whole inclination angle measuring assembly 22, and the horizontal bar member 221 is mounted on the horizontal fixing member 21.
Referring to fig. 8-9, the horizontal cross bar 221 is provided with a leveling fixing rod 2211, a connecting end 2212 and an adjusting connecting piece 2213, the connecting end 2212 is fixedly welded in the middle of the side surface of the leveling fixing rod 2211, and the adjusting connecting piece 2213 is fixedly arranged at two ends of the leveling fixing rod 2211 and is fixedly connected with the fixing support plate 213; the leveling fixing rod 2211 is provided with a mounting notch 22111, an arc-shaped groove rail 22112, a steel ball 22113, a horizontal center indicating groove 22114 and a mounting hole block 22115, the mounting notch 22111 is formed in the middle of the leveling fixing rod 2211, the arc-shaped groove rail 22112 is formed in the wall of the mounting notch 22111, the steel ball 22113 is movably mounted in the mounting notch 22111, two ends of the steel ball 22113 are clamped in the arc-shaped groove rail 22112, the horizontal center indicating groove 22114 is fixedly formed in the middle of the side face of the leveling fixing rod 2211, and the mounting hole block 22115 is fixedly welded at two ends of the leveling fixing rod 2211; the connecting end 2212 is provided with a supporting block 22121, a connecting rod 22122 and an inserting ball 22123, the supporting block 22121 is fixedly welded on the leveling fixing rod 2211, one end of the connecting rod 22122 is fixedly welded on the side face of the supporting block 22121, and the other end of the connecting rod 22123 is fixedly welded with the inserting ball 22123; the adjusting connector 2213 is provided with a threaded column 22131, a first internal threaded ring 22132, a first return spring 22133 and a second internal threaded ring 22134, the threaded column 22131 is movably inserted into the hole of the mounting hole block 22115, two ends of the threaded column 22131 are fixedly welded on the fixed support plate 213, the first internal threaded ring 22132 and the second internal threaded ring 22134 are both installed on the threaded column 22131 in a threaded manner and are respectively positioned at the upper side and the lower side of the mounting hole block 22115, the first return spring 22133 is sleeved on the threaded column 22131, one end of the first return spring 22133 is fixed on the upper end face of the mounting hole block 22115, the vertical needle swinging piece 222 is movably sleeved on a socket ball head 22123 arranged on the leveling fixing rod 2211 through a connecting socket ball head 2222 at the upper end of the counterweight rod 2221, so that the vertical needle swinging piece 222 can smoothly rotate, when a building is not vertical, the fixing shell 11 tilts along with a tower crane, the fixing base block 211 fixedly installed inside, perpendicular pendulum needle spare 222 is still in the vertical state this moment, and the angle measurement scale mark 2112 of carving on the directional fixed base block 211 of lower pendulum needle 2224 of lower extreme, with when not taking place the slope, directional angle measurement scale mark 2112 contrasts, obtains inclination, this simple structure is convenient, be convenient for detect the building tower crane straightness that hangs down, simultaneously, adopt the plummet piece to survey the measuring mode with the tradition and compare, can not receive the influence of wind, can measure under the windy condition and detect.
Referring to fig. 10-11, the vertical needle swinging member 222 is provided with a weight bar 2221, a connecting sleeve ball hole head 2222, an upper swinging needle 2223, a lower swinging needle 2224 and a return auxiliary member 2225, two ends of the weight bar 2221 are respectively fixedly welded with the connecting sleeve ball hole head 2222 and the lower swinging needle 2224, the lower end of the weight bar 2221 is provided with a mounting slot 22211, the connecting sleeve ball hole head 2222 is movably sleeved on the splicing ball head 22123, the upper swinging needle 2223 is fixedly welded at the upper end of the connecting sleeve ball hole head 2222, and the return auxiliary member 2225 is fixedly mounted in the mounting slot 22211 provided at the lower end of the weight bar 2221; the return assist 2225 is provided with a weight ball 22251 and a second return spring 22252, the weight ball 22251 is movably disposed in the mounting slot 22211, one end of the second return spring 22252 is fixedly mounted on the side surface of the weight ball 22251, the other end is fixed on the side wall of the mounting slot 22211, the weight ball 22251 is movably mounted in the mounting slot 22211 formed at the lower end of the weight lever 2221 by the second return spring 22252, when the weight bar 2221 is swung, the lower end of the weight bar 2221 is shifted to one side, and at this time, the weight ball 22251 is moved in the installation slot 22211 to the opposite side of the shift, the second return spring 22252 can absorb the force generated when the weight ball 22251 moves, so that it can return to the original position quickly, and the weight lever 2221 can return to the vertical position quickly while reducing the sway.
In summary, the following steps: the invention provides a building tower crane verticality detection device, which comprises a fixed installation unit 1 and an offset angle measurement unit 2, wherein the offset angle measurement unit 2 is fixedly arranged in the fixed installation unit 1, a connecting column 122 is movably inserted on a fixed hole block 121 welded on the side surface of a fixed shell 11, a right-angle welding sheet 124 is welded at one end of the fixed installation unit, the right-angle welding sheet 124 is fixedly welded at the upper end of a building tower crane, the right angle of the right-angle welding sheet 124 is welded with the right-angle side edge of a standard knot of the building tower crane, so that the installation of the fixed shell 11 can be in a horizontal state, the connecting column 122 can move on the fixed hole block 121, the distance between the fixed shell 11 and the standard knot can be conveniently adjusted, the right-angle welding sheet 124 is conveniently welded on the right-angle side edge of the standard knot, an arc-shaped clamping block 1211 is arranged on the hole wall of the fixed hole block 121, and an arc-shaped limiting groove, the arc-shaped clamping block 1211 is movably clamped in the arc-shaped limiting groove cabinet 1221, so that the connecting column 122 cannot rotate when moving in the hole of the fixed hole block 121, and the right-angle welding sheet 124 at one end of the connecting column 122 is always kept in a state of being matched with the right-angle side of the standard knot before welding; the red ink is filled in the cavity 2122 opened in the transparent rubber ring 2121, and the transparent rubber ring 2121 is fixedly installed in the installation ring slot 2111 opened in the fixed base block 211, so that when the fixed base block 211 is installed, whether the fixed base block 211 is horizontal after being installed in the fixed housing 11 can be judged by whether the liquid level in the transparent rubber ring 2121 is level with the horizontal reference scribed line 2123, and the installation angle of the fixed base block 211 is adjusted, meanwhile, the horizontal cross bar member 221 is installed on the fixed support plate 213 through the adjusting connecting members 2213 at both ends, when the horizontal cross bar member 221 is installed in a non-horizontal state, the steel ball 22113 movably installed in the installation notch 22111 of the leveling fixed bar 2211 is deviated, and when the horizontal cross bar member is deviated to which side, the horizontal cross bar member 221 is in a horizontal state through the adjusting connecting member 2213 at which side, and when the adjustment is performed, the second internal thread ring 22134 at the lower end of the installation hole block 22115 is screwed, one end of the leveling fixing rod 2211 is jacked upwards, so that the leveling fixing rod 2211 is in a horizontal state; the vertical needle swinging piece 222 is movably sleeved on the splicing ball head 22123 arranged on the leveling fixing rod 2211 through the ball hole head 2222 of the connecting sleeve at the upper end of the counterweight rod 2221, so that the vertical needle swinging piece 222 can smoothly rotate, when the building tower crane is not vertical, the fixed shell 11 tilts along with the tower crane, the fixed base block 211 fixedly installed in the fixed shell 11 tilts along with the fixed shell 11, at this time, the vertical needle swinging piece 222 is still in a vertical state, and the lower swing needle 2224 at the lower end points to the angle measurement scale 2112 engraved on the fixed base block 211, comparing with the pointed angle measurement scale line 2112 when no inclination occurs, obtaining the inclination angle, the structure is simple and convenient, the perpendicularity of the building tower crane can be conveniently detected, meanwhile, compared with the traditional mode of observing and measuring by adopting a plumb bob block, the structure is not influenced by wind, and the measurement and detection can be carried out under the condition of wind; the weight ball 22251 is movably mounted in the mounting slot 22211 formed at the lower end of the weight lever 2221 through the second return spring 22252, when the weight lever 2221 swings, the lower end of the weight lever 2221 can shift to one side, at this time, the weight ball 22251 moves in the mounting slot 22211 to one side in the opposite direction of the shift, the self gravity thereof generates a force in the opposite direction to the shift direction of the weight lever 2221, so that the swing of the weight lever 2221 is reduced, the second return spring 22252 can buffer and absorb the force generated when the weight ball 22251 moves, so that the weight ball 22251 can return to the initial position quickly, and the weight lever 2221 can swing to be reduced and simultaneously return to the vertical state quickly.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a building tower crane straightness detection device that hangs down, includes fixed mounting unit (1) and skew angle measurement unit (2), and skew angle measurement unit (2) are fixed to be set up in fixed mounting unit (1), its characterized in that: the fixed mounting unit (1) is provided with a fixed shell (11) and a connecting rod piece (12), the connecting rod piece (12) is fixedly arranged on the side surface of the fixed shell (11) to form the whole fixed mounting unit (1), and the offset angle measuring unit (2) is fixedly mounted in the fixed shell (11);
the offset angle measuring unit (2) is provided with a horizontal fixing piece (21) and an inclination angle measuring component (22), the inclination angle measuring component (22) is fixedly arranged on the horizontal fixing piece (21) to form the whole offset angle measuring unit (2), and the horizontal fixing piece (21) is fixedly arranged in the fixed shell (11);
the inclination angle measuring assembly (22) is provided with a horizontal cross rod piece (221) and a vertical needle swinging piece (222), one end of the vertical needle swinging piece (222) is movably installed on the horizontal cross rod piece (221) to form the whole inclination angle measuring assembly (22), and the horizontal cross rod piece (221) is installed on the horizontal fixing piece (21).
2. The building tower crane perpendicularity detection device of claim 1, characterized in that: connecting rod piece (12) are provided with fixed orifices piece (121), spliced pole (122), locking bolt (123), right angle welding piece (124) and spacing column cap (125), fixed orifices piece (121) fixed welding is in the side of fixed casing (11), spliced pole (122) activity is pegged graft on fixed orifices piece (121), locking bolt (123) threaded mounting is in the side of fixed orifices piece (121), and stretch into downtheholely, right angle welding piece (124) and spacing column cap (125) fixed welding respectively are at the both ends of spliced pole (122).
3. The building tower crane perpendicularity detection device of claim 2, characterized in that: an arc-shaped clamping block (1211) is arranged on the hole wall of the fixed hole block (121), an arc-shaped limiting groove cabinet (1221) is arranged on the side wall of the connecting column (122), and the arc-shaped clamping block (1211) is movably clamped in the arc-shaped limiting groove cabinet (1221).
4. The building tower crane perpendicularity detection device of claim 1, characterized in that: the horizontal fixing piece (21) is provided with a fixing base block (211), a liquid level leveling ring (212) and a fixing support plate (213), the liquid level leveling ring (212) is fixedly installed in the middle of the side face of the fixing base block (211), and the fixing support plate (213) is fixedly welded at two ends of the side face of the fixing base block (211);
the fixed base block (211) is provided with an installation ring groove (2111) and angle measurement scale marks (2112), the installation ring groove (2111) is arranged in the middle of the side surface of the fixed base block (211), and the angle measurement scale marks (2112) are engraved on the outer ring of the installation ring groove (2111);
the liquid level leveling ring (212) is provided with a transparent rubber ring (2121), a cavity (2122) and horizontal reference scribed lines (2123), the cavity (2122) is formed in the transparent rubber ring (2121), red ink is filled in the cavity (2122), two groups of horizontal reference scribed lines (2123) are arranged, and the two groups of horizontal reference scribed lines (2123) are fixedly scribed on the transparent rubber ring (2121) and are positioned on the same diameter of the transparent rubber ring (2121).
5. The building tower crane perpendicularity detection device of claim 1, characterized in that: the horizontal cross rod piece (221) is provided with a leveling fixing rod (2211), a connecting end (2212) and an adjusting connecting piece (2213), the welding connecting end (2212) is fixed in the middle of the side face of the leveling fixing rod (2211), and the adjusting connecting piece (2213) is fixedly arranged at two ends of the leveling fixing rod (2211) and is fixedly connected with the fixed supporting plate (213).
6. The building tower crane perpendicularity detection device of claim 5, characterized in that: the leveling fixing rod (2211) is provided with a mounting notch (22111), an arc-shaped groove rail (22112), a steel ball (22113), a horizontal center indicating groove (22114) and a mounting hole block (22115), the mounting notch (22111) is arranged in the middle of the leveling fixing rod (2211), the arc-shaped groove rail (22112) is arranged on the groove wall of the mounting notch (22111), the steel ball (22113) is movably mounted in the mounting notch (22111), two ends of the steel ball are clamped in the arc-shaped groove rail (22112), the horizontal center indicating groove (22114) is fixedly arranged in the middle of the side face of the leveling fixing rod (2211), and the mounting hole block (22115) is fixedly welded at two ends of the leveling fixing rod (2211).
7. The building tower crane perpendicularity detection device of claim 5, characterized in that: the connecting end head (2212) is provided with a supporting block (22121), a connecting rod (22122) and an inserting ball head (22123), the supporting block (22121) is fixedly welded on the leveling fixing rod (2211), one end of the connecting rod (22122) is fixedly welded on the side face of the supporting block (22121), and the other end of the connecting rod is fixedly welded with the inserting ball head (22123).
8. The building tower crane perpendicularity detection device of claim 5, characterized in that: adjusting connecting piece (2213) is provided with screw thread post (22131), first internal thread ring (22132), first reset spring (22133) and second internal thread ring (22134), screw thread post (22131) activity is pegged graft in the downthehole of mounting hole piece (22115), and both ends fixed welding is on fixed support board (213), first internal thread ring (22132) and second internal thread ring (22134) are all installed on screw thread post (22131) in the screw thread, and be located the upper and lower both sides of mounting hole piece (22115) respectively, first reset spring (22133) suit is on screw thread post (22131), one end is fixed at the up end of mounting hole piece (22115).
9. The building tower crane perpendicularity detection device of claim 1, characterized in that: the vertical needle swinging piece (222) is provided with a balance weight rod (2221), a connecting sleeve ball hole head (2222), an upper swinging needle (2223), a lower swinging needle (2224) and a return auxiliary piece (2225), the two ends of the balance weight rod (2221) are fixedly welded with the sleeve ball hole head (2222) and the lower swinging needle (2224) respectively, the lower end of the balance weight rod (2221) is provided with an installation slot position (22211), the connecting sleeve ball hole head (2222) is movably sleeved on an inserting ball head (22123), the upper swinging needle (2223) is fixedly welded at the upper end of the connecting sleeve ball hole head (2222), and the return auxiliary piece (2225) is fixedly installed in the installation slot position (22211) arranged at the lower end of the balance weight rod (2221).
10. The building tower crane perpendicularity detecting device of claim 9, characterized in that: the return auxiliary part (2225) is provided with a counterweight ball (22251) and a second return spring (22252), the counterweight ball (22251) is movably arranged in the mounting slot position (22211), one end of the second return spring (22252) is fixedly arranged on the side surface of the counterweight ball (22251), and the other end of the second return spring is fixed on the side wall of the mounting slot position (22211).
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| CN202011586972.5A CN112723164B (en) | 2021-03-08 | 2021-03-08 | Building tower crane verticality detection device |
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| CN112723164B (en) | 2022-12-13 |
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