Height adjusting device for pipe truss construction

Abstract

The utility model relates to a height adjusting device for pipe truss construction, and belongs to the technical field of pipe truss production and installation. Comprising a telescopic stand column mounting cross frame, a first telescopic stand column, a second telescopic stand column and a third telescopic stand column which are parallel to one another are arranged in the length direction of the telescopic stand column mounting cross frame at intervals, and the two ends of an upper-layer supporting cross beam are provided with an end telescopic extension arm A and an end telescopic extension arm B which can stretch out and draw back relative to the upper-layer supporting cross beam correspondingly. The telescopic end of the top of the second telescopic stand column is hinged to the middle of the upper-layer supporting cross beam, the telescopic end of the top of the first telescopic stand column is hinged to the end of an end telescopic extension arm A, and the telescopic end of the top of the third telescopic stand column is hinged to the end of an end telescopic extension arm B; and two groups of partition positioning columns are arranged in the length direction of the upper-layer supporting cross beam at intervals. The utility model has the beneficial effects that the upper-layer supporting cross beam can be adjusted to be horizontal, the levelness error of a temporarily built supporting frame is made up, and the construction precision is improved.

Description

Technical Field

[0001] The utility model relates to a height adjustment device for pipe truss construction, belonging to the technical field of pipe truss production and installation. Background Art

[0002] A tube truss is a lattice structure made of round rods connected to each other at the ends. The trusses make the truss structure economical in materials, light in weight, and easy to form various shapes to suit different uses. Therefore, it is widely used in building steel structures to facilitate the construction of building steel structures.

[0003] The patent application with patent number 202122687769.3 discloses a large-span prestressed tube truss structure. It includes a support rod, a base, a rotating cylinder, a support groove and a fixing hole, the support rod is equipped with a base, and the support rod is connected to a rotating cylinder, the rotating cylinder is connected to a connecting rod, the connecting rod is connected to a support block, the upper part is connected to a first round rod, the first round rod is connected to a second round rod, the second round rod is connected to a third round rod, and the connecting rod is equipped with a support seat.

[0004] Although the above patent can realize the installation of tube trusses, the current technical considerations are not comprehensive and have the following disadvantages: during the construction process, multiple tube truss units need to be connected to each other to form an overall structure, but the tube truss units are easily misaligned when connected to each other, so that the cumulative error of the overall structure formed by connecting multiple tube truss units to each other is too large.

[0005] In order to solve one of the above problems, a height adjustment device for pipe truss construction is urgently needed. Utility Model Content

[0006] In view of the above deficiencies in the prior art, the technical problem to be solved by the utility model is: how to adjust the upper supporting beam to a horizontal level by controlling the shortening of the first telescopic column and the extension of the third telescopic column, or controlling the extension of the first telescopic column and the shortening of the third telescopic column, so as to compensate for the horizontal error of the temporary support frame and improve the construction accuracy. For this purpose, a height adjustment device for the construction of a pipe truss is provided.

[0007] The height adjustment device for pipe truss construction described in the utility model is characterized in that it includes a telescopic column mounting cross frame, a first telescopic column, a second telescopic column, and a third telescopic column are arranged parallel to each other at intervals along the length direction of the telescopic column mounting cross frame, the bottom ends of the first telescopic column, the second telescopic column, and the third telescopic column are all fixed to the upper surface of the telescopic column mounting cross frame, an upper supporting cross beam is arranged above the telescopic column mounting cross frame, the two ends of the upper supporting cross beam are respectively provided with an end telescopic extension arm A and an end telescopic extension arm B which can be telescoped relative to the upper supporting cross beam, the telescopic end of the top of the second telescopic column is hinged to the middle part of the upper supporting cross beam, the telescopic end of the top of the first telescopic column is hinged to the end of the end telescopic extension arm A, the telescopic end of the top of the third telescopic column is hinged to the end of the end telescopic extension arm B, and two groups of partition positioning columns are arranged at intervals along the length direction of the upper supporting cross beam.

[0008] This device is used in conjunction with a temporary support frame supported on the ground. Each set of pipe trusses requires at least two sets of temporary support frames and two corresponding sets of this device. This device is installed on the top of the temporary support frame to fine-tune the height and levelness of the pipe trusses waiting to be butt-welded or fixed;

[0009] The operator controls the lifting of the upper support beam by simultaneously controlling the length of the second telescopic column, the third telescopic column and the first telescopic column, thereby compensating for the height error of the temporary support frame; the upper support beam can be adjusted to be horizontal by controlling the shortening of the first telescopic column and the extension of the third telescopic column, or controlling the extension of the first telescopic column and the shortening of the third telescopic column, thereby compensating for the horizontality error of the temporary support frame; after the upper support beam is adjusted to a suitable position as required, the pipe truss is hoisted onto the upper support beam by a crane, and the adjacent pipe trusses are welded or the ends of the pipe trusses are fixed.

[0010] Preferably, the upper supporting crossbeam is a rectangular square tube A, and the end telescopic extension arm A includes a rectangular square tube B, one end of the rectangular square tube B is inserted into the upper supporting crossbeam to cooperate with the upper supporting crossbeam for telescopic sliding, and a nylon liner A is provided at the end of the rectangular square tube B, and the nylon liner A cooperates with the inner wall of the upper supporting crossbeam to slide, and the outer end of the end telescopic extension arm A is fixed with a first hinged seat hinged to the first telescopic column; the end telescopic extension arm B includes a rectangular square tube C, one end of the rectangular square tube C is inserted into the upper supporting crossbeam to cooperate with the upper supporting crossbeam for telescopic sliding, and a nylon liner B is provided at the end of the rectangular square tube C, and the nylon liner B cooperates with the inner wall of the upper supporting crossbeam to slide, and the outer end of the end telescopic extension arm B is fixed with a second hinged seat hinged to the third telescopic column, and a third hinged seat hinged to the second telescopic column is installed on the upper supporting crossbeam. The hinged connection method can not only support the upper support beam, the end telescopic extension arm A and the end telescopic extension arm B, but also fine-tune the horizontality of the upper support beam.

[0011] Preferably, the second telescopic column includes an outer sleeve fixedly connected to the telescopic column mounting cross frame, a lifting tube is slidably arranged in the outer sleeve, the outer sleeve and the lifting tube are both rectangular square tubes, the lifting tube is fixedly connected to the third hinge seat, the top of the outer sleeve is respectively provided with a first avoidance opening and a second avoidance opening, the first avoidance opening and the second avoidance opening are respectively rotatably provided with a first reversing wheel and a second reversing wheel, the top of the lifting tube is respectively provided with a third avoidance opening and a fourth avoidance opening, the first avoidance opening and the second avoidance opening are respectively provided with a third avoidance opening and a fourth avoidance opening, The third and fourth avoidance openings are respectively rotatably installed with a third reversing wheel and a fourth reversing wheel, the inner bottom of the lifting tube is installed with a main reversing wheel, the main reversing wheel, the third reversing wheel and the fourth reversing wheel are distributed in an inverted triangle, and hand winch A and hand winch B are respectively installed on both sides of the middle of the outer sleeve, the hand winch A is wound with a force transmission wire rope, and the other end of the force transmission wire rope is successively wound around the first reversing wheel, the third reversing wheel, the main reversing wheel, the fourth reversing wheel and the second reversing wheel and then wound around the hand winch B.

[0012] The force transmission wire rope is reeled in by hand-cranked winch A or hand-cranked winch B, and the force transmission wire rope cooperates with the main reversing wheel to lift the lifting tube relative to the outer casing; conversely, the force transmission wire rope is released by hand-cranked winch A or hand-cranked winch B, so that the lifting tube retracts into the outer casing under the action of gravity.

[0013] Preferably, the main reversing wheel is a movable pulley, and the purpose of saving more effort can be achieved through the reasonable arrangement of the movable pulley and the fixed pulley.

[0014] Preferably, a nylon lining C is provided on the inner wall of the upper part of the outer sleeve and slides with the outer wall of the lifting tube; and a nylon lining D is provided on the outer wall of the bottom of the lifting tube and slides with the inner wall of the outer sleeve.

[0015] Preferably, the hand winch A and the hand winch B are arranged symmetrically.

[0016] Preferably, the first telescopic column and the second telescopic column have the same structure.

[0017] Preferably, two groups of the barrier locating columns are vertically welded to the two ends of the upper supporting beam.

[0018] Preferably, two groups of bottom cross braces are arranged at intervals on both sides of the telescopic column mounting cross frame along the length direction of the telescopic column mounting cross frame, and the bottom cross braces are detachably mounted on the temporary support frame.

[0019] Preferably, the bottom cross braces are welded to the telescopic column mounting cross frame, and each group of bottom cross braces is provided with a plurality of groups of bolt connection holes along its length direction.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] According to the height adjustment device for the construction of the pipe truss described in the utility model, the operator controls the lifting of the upper support beam by simultaneously controlling the lengths of the second telescopic column, the third telescopic column and the first telescopic column, thereby compensating for the height error of the temporarily constructed support frame; by controlling the first telescopic column to shorten and the third telescopic column to lengthen, or controlling the first telescopic column to lengthen and the third telescopic column to shorten, the upper support beam can be adjusted to be horizontal, thereby compensating for the horizontality error of the temporarily constructed support frame and improving the construction accuracy.

[0022] The height adjustment device for the pipe truss construction of the utility model directly opens the electric regulating valve when pressure relief is required, and the opening of the electric regulating valve can be adjusted as required, and the adjustment is convenient.

[0023] The height adjustment device for the pipe truss construction described in the utility model has scales on both vertical tubes of the transparent U-shaped tube, which are convenient for observing the liquid level difference, and the transparent U-shaped tube is installed on the exhaust pipe through a corresponding bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0025] Figure 1It is a schematic diagram of the structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the structure of the upper support beam of the utility model;

[0027] Figure 3 This is an internal view of the second telescopic column.

[0028] In the figure: 1, telescopic column mounting cross frame 2, first telescopic column 3, second telescopic column 3.1, outer sleeve 3.2, lifting tube 3.3, first avoidance 3.4, first reversing wheel 3.5, force transmission wire rope 3.6, second avoidance 3.7, second reversing wheel 3.8, third avoidance 3.9, third reversing wheel 3.10, fourth avoidance 3.11, fourth reversing wheel 3.12, main reversing wheel 3.13, hand winch A 3.14, hand winch B 3.15, nylon lining C 3.16, nylon lining D 4, third telescopic column 5, upper support beam 5.1, third articulated seat 6, end telescopic extension arm A 6.1, first articulated seat 7, end telescopic extension arm B 7.1, second articulated seat 8, bottom cross brace 9, barrier positioning column 10, temporary support frame 11, pipe truss. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings: The utility model is further illustrated below through specific embodiments, but is not intended to limit the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the invention should be included in the protection scope of the utility model.

[0030] Embodiment 1, as Figure 1-2 As shown, the height adjustment device for the construction of a pipe truss comprises a telescopic column mounting cross frame 1, along the length direction of the telescopic column mounting cross frame 1, a first telescopic column 2, a second telescopic column 3, and a third telescopic column 4 are arranged in parallel with each other at intervals, the bottom ends of the first telescopic column 2, the second telescopic column 3, and the third telescopic column 4 are all fixed on the upper surface of the telescopic column mounting cross frame 1, an upper support beam 5 is arranged above the telescopic column mounting cross frame 1, and the two ends of the upper support beam 5 are respectively provided with an end telescopic extension arm A6 and an end telescopic extension arm B7 which can be telescoped relative to the upper support beam 5, the telescopic end of the top of the second telescopic column 3 is hinged to the middle part of the upper support beam 5, the telescopic end of the top of the first telescopic column 2 is hinged to the end of the end telescopic extension arm A6, the telescopic end of the top of the third telescopic column 4 is hinged to the end of the end telescopic extension arm B7, and two groups of barrier positioning columns 9 are arranged at intervals along the length direction of the upper support beam 5.

[0031] The device is used in conjunction with a temporary support frame 10 supported on the ground. Each set of pipe trusses 11 requires at least two sets of temporary support frames 10 and two corresponding sets of the device. The device is installed on the top of the temporary support frame 10 to fine-tune the height and levelness of the pipe trusses waiting to be butt-welded or fixed.

[0032] The operator controls the lifting of the upper support beam 5 by simultaneously controlling the length of the second telescopic column 3, the third telescopic column 4 and the first telescopic column 2, thereby compensating for the height error of the temporary support frame 10. The upper support beam 5 can be adjusted to be horizontal by controlling the first telescopic column 2 to shorten and the third telescopic column 4 to lengthen, or controlling the first telescopic column 2 to lengthen and the third telescopic column 4 to shorten, thereby compensating for the horizontality error of the temporary support frame 10. After the upper support beam 5 is adjusted to a suitable position as needed, the pipe truss is hoisted onto the upper support beam 5 by a crane, and the adjacent pipe trusses are welded or the ends of the pipe trusses are fixed.

[0033] Embodiment 2, as Figure 1-3 As shown, the height adjustment device for the construction of a pipe truss comprises a telescopic column mounting cross frame 1, along the length direction of the telescopic column mounting cross frame 1, a first telescopic column 2, a second telescopic column 3, and a third telescopic column 4 are arranged in parallel with each other at intervals, the bottom ends of the first telescopic column 2, the second telescopic column 3, and the third telescopic column 4 are all fixed on the upper surface of the telescopic column mounting cross frame 1, an upper supporting cross beam 5 is arranged above the telescopic column mounting cross frame 1, and the two ends of the upper supporting cross beam 5 are respectively provided with an end telescopic extension arm A6 and an end telescopic extension arm B7 which can be telescoped relative to the upper supporting cross beam 5, the telescopic end at the top of the second telescopic column 3 is hinged to the middle part of the upper supporting cross beam 5, the telescopic end at the top of the first telescopic column 2 is hinged to the end of the end telescopic extension arm A6, the telescopic end at the top of the third telescopic column 4 is hinged to the end of the end telescopic extension arm B7, and two groups of barrier positioning columns 9 are arranged at intervals along the length direction of the upper supporting cross beam 5.

[0034] Further, the upper supporting beam 5 is a rectangular square tube A, and the end telescopic extension arm A6 includes a rectangular square tube B, one end of the rectangular square tube B is inserted into the upper supporting beam 5 to cooperate with the upper supporting beam 5 for telescopic sliding, and a nylon liner A is provided at the end of the rectangular square tube B, and the nylon liner A slides with the inner wall of the upper supporting beam 5, and the outer end of the end telescopic extension arm A6 is fixed with a first articulated seat 6.1 hinged to the first telescopic column 2; the end telescopic extension arm B7 includes a rectangular square tube C, one end of the rectangular square tube C is inserted into the upper supporting beam 5 to cooperate with the upper supporting beam 5 for telescopic sliding, and a nylon liner B is provided at the end of the rectangular square tube C, and the nylon liner B slides with the inner wall of the upper supporting beam 5, and the outer end of the end telescopic extension arm B7 is fixed with a second articulated seat 7.1 hinged to the third telescopic column 4, and a third articulated seat 5.1 hinged to the second telescopic column 3 is installed on the upper supporting beam 5. The hinged connection can not only support the upper support beam 5, the end telescopic extension arm A6 and the end telescopic extension arm B7, but also fine-tune the horizontality of the upper support beam 5.

[0035] Further, the second telescopic column 3 includes an outer sleeve 3.1 fixedly connected to the telescopic column mounting cross frame 1, a lifting tube 3.2 is slidably arranged in the outer sleeve 3.1, the outer sleeve 3.1 and the lifting tube 3.2 are both rectangular square tubes, the lifting tube 3.2 is fixedly connected to the third hinge seat 5.1, and the top of the outer sleeve 3.1 is respectively provided with a first avoidance opening 3.3 and a second avoidance opening 3.6 on both sides, and the first avoidance opening 3.3 and the second avoidance opening 3.6 are respectively rotatably installed with a first reversing wheel 3.4 and a second reversing wheel 3.7, and the top of the lifting tube 3.2 is respectively provided with a third avoidance opening 3.8 and a fourth avoidance opening 3.10 on both sides, and the third avoidance opening 3.8 and the fourth avoidance opening 3.10 are respectively provided. A third reversing wheel 3.9 and a fourth reversing wheel 3.11 are rotatably installed in the avoidance 3.10, a main reversing wheel 3.12 is installed at the inner bottom of the lifting tube 3.2, and the main reversing wheel 3.12, the third reversing wheel 3.9, and the fourth reversing wheel 3.11 are distributed in an inverted triangle. A hand winch A3.13 and a hand winch B3.14 are installed on both sides of the middle of the outer sleeve 3.1, respectively. A power transmission wire rope 3.5 is wound around the hand winch A3.13, and the other end of the power transmission wire rope 3.5 is wound around the first reversing wheel 3.4, the third reversing wheel 3.9, the main reversing wheel 3.12, the fourth reversing wheel 3.11, and the second reversing wheel 3.7 in sequence and then wound around the hand winch B3.14.

[0036] The force transmission wire rope 3.5 is reeled in by hand-cranked capstan A3.13 or hand-cranked capstan B3.14, and the force transmission wire rope 3.5 cooperates with the main reversing wheel 3.12 to lift the lifting tube 3.2 relative to the outer sleeve 3.1; conversely, the force transmission wire rope 3.5 is released by hand-cranked capstan A3.13 or hand-cranked capstan B3.14, so that the lifting tube 3.2 retracts into the outer sleeve 3.1 under the action of gravity.

[0037] The main reversing wheel 3.12 is a movable pulley, and the purpose of saving more labor can be achieved through the reasonable arrangement of the movable pulley and the fixed pulley.

[0038] Furthermore, a nylon lining C3.15 is provided on the inner wall of the upper part of the outer sleeve 3.1 and slides with the outer wall of the lifting tube 3.2; a nylon lining D3.16 is provided on the outer wall of the bottom of the lifting tube 3.2 and slides with the inner wall of the outer sleeve 3.1.

[0039] Furthermore, the hand winch A3.13 and the hand winch B3.14 are arranged symmetrically.

[0040] Furthermore, the first telescopic column 2 and the second telescopic column 3 have the same structure.

[0041] Furthermore, two groups of the barrier locating columns 9 are vertically welded to the two ends of the upper supporting beam 5 .

[0042] Furthermore, two groups of bottom cross braces 8 are arranged at intervals on both sides of the telescopic column mounting cross frame 1 along the length direction of the telescopic column mounting cross frame 1 , and the bottom cross braces 8 are detachably mounted on the temporary support frame 10 .

[0043] Furthermore, the bottom cross brace 8 is welded to the telescopic column mounting cross frame 1, and each group of bottom cross braces 8 is provided with a plurality of groups of bolt connection holes along its length direction.

[0044] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the present utility model is defined by the attached claims and their equivalents.

[0045] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

Claims

1. A height adjustment device for pipe truss construction, characterized in that: The invention comprises a telescopic column mounting cross frame, wherein a first telescopic column, a second telescopic column and a third telescopic column are arranged parallel to each other at intervals along the length direction of the telescopic column mounting cross frame, the bottom ends of the first telescopic column, the second telescopic column and the third telescopic column are all fixed on the upper surface of the telescopic column mounting cross frame, an upper supporting cross beam is arranged above the telescopic column mounting cross frame, and both ends of the upper supporting cross beam are respectively provided with an end telescopic extension arm A and an end telescopic extension arm B which can be telescoped relative to the upper supporting cross beam, the telescopic end at the top of the second telescopic column is hinged to the middle part of the upper supporting cross beam, the telescopic end at the top of the first telescopic column is hinged to the end of the end telescopic extension arm A, the telescopic end at the top of the third telescopic column is hinged to the end of the end telescopic extension arm B, and two groups of barrier positioning columns are arranged at intervals along the length direction of the upper supporting cross beam.

2. The height adjustment device for pipe truss construction according to claim 1, characterized in that: The upper supporting crossbeam is a rectangular square tube A, and the end telescopic extension arm A includes a rectangular square tube B. One end of the rectangular square tube B is inserted into the upper supporting crossbeam to cooperate with the upper supporting crossbeam for telescopic sliding, and a nylon liner A is provided at the end of the rectangular square tube B. The nylon liner A cooperates with the inner wall of the upper supporting crossbeam to slide, and the outer end of the end telescopic extension arm A is fixed with a first hinged seat hinged to the first telescopic column; the end telescopic extension arm B includes a rectangular square tube C. One end of the rectangular square tube C is inserted into the upper supporting crossbeam to cooperate with the upper supporting crossbeam for telescopic sliding, and a nylon liner B is provided at the end of the rectangular square tube C. The nylon liner B cooperates with the inner wall of the upper supporting crossbeam to slide, and the outer end of the end telescopic extension arm B is fixed with a second hinged seat hinged to the third telescopic column, and a third hinged seat hinged to the second telescopic column is installed on the upper supporting crossbeam.

3. The height adjustment device for pipe truss construction according to claim 2, characterized in that: The second telescopic column comprises an outer sleeve fixedly connected to the telescopic column mounting cross frame, a lifting tube is slidably arranged in the outer sleeve, the outer sleeve and the lifting tube are both rectangular square tubes, the lifting tube is fixedly connected to the third hinge seat, a first avoidance opening and a second avoidance opening are respectively opened on both sides of the top of the outer sleeve, a first reversing wheel and a second reversing wheel are respectively rotatably installed in the first avoidance opening and the second avoidance opening, a third avoidance opening and a fourth avoidance opening are respectively opened on both sides of the top of the lifting tube, and the third avoidance opening and a fourth avoidance opening are respectively opened. The third reversing wheel and the fourth reversing wheel are rotatably installed in the escape opening and the fourth escape opening respectively, the main reversing wheel is installed at the inner bottom of the lifting tube, the main reversing wheel, the third reversing wheel and the fourth reversing wheel are distributed in an inverted triangle, and the hand winch A and the hand winch B are installed on both sides of the middle of the outer sleeve respectively, the hand winch A is wound with a power transmission wire rope, and the other end of the power transmission wire rope is wound around the first reversing wheel, the third reversing wheel, the main reversing wheel, the fourth reversing wheel and the second reversing wheel in sequence and then wound around the hand winch B.

4. The height adjustment device for pipe truss construction according to claim 3 is characterized in that: A nylon lining C is provided on the inner wall of the upper part of the outer sleeve and slides with the outer wall of the lifting tube; a nylon lining D is provided on the outer wall of the bottom of the lifting tube and slides with the inner wall of the outer sleeve.

5. The height adjustment device for pipe truss construction according to claim 4, characterized in that: The hand winch A and the hand winch B are arranged symmetrically.

6. The height adjustment device for pipe truss construction according to claim 5, characterized in that: The first telescopic column and the second telescopic column have the same structure.

7. The height adjustment device for pipe truss construction according to claim 6, characterized in that: The two groups of the barrier locating columns are vertically welded to the two ends of the upper support beam.

8. The height adjustment device for pipe truss construction according to claim 7, characterized in that: Two groups of bottom cross braces are arranged at intervals on both sides of the telescopic column mounting cross frame along the length direction of the telescopic column mounting cross frame, and the bottom cross braces are detachably mounted on the temporary support frame.

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