Movable gun carrier for hoisting

Abstract

The utility model discloses a movable gun carrier for hoisting, which comprises a movable frame, a lifting mechanism, a lifting mechanism, a lifting mechanism, a lifting mechanism, a lifting mechanism, a lifting mechanism, a lifting mechanism and a lifting mechanism, and is characterized in that the movable frame is provided with a cantilever and a winch; the bottom end of the cantilever is rotationally connected with the movable frame, a fixed pulley is arranged at the top of the cantilever, and a supporting vertical rod for supporting the cantilever is arranged below the cantilever; the free end of the steel wire rope bypasses the fixed pulley and is provided with a hoisting clamp. The top end of the supporting vertical rod is rotationally connected with the cantilever, the bottom end of the supporting vertical rod is fixedly connected with the middle of a horizontally-arranged supporting transverse rod, the middle of the supporting transverse rod is rotationally connected with one end of a connecting rod, and the other end of the connecting rod is rotationally connected with the movable frame. A height-adjustable supporting structure is arranged at the bottom of the supporting transverse rod, and the length of the supporting vertical rod is adjustable. The supporting vertical rods only bear loads in the vertical direction, the working strength is higher, deformation is not prone to occurring, and the service life of the movable gun carrier can be prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of hoisting equipment and relates to a mobile gun carriage for hoisting. Background Art

[0002] Unit curtain walls are widely used in high-rise and super-high-rise buildings. The on-site hoisting plan of unit curtain walls is generally highly valued by industry insiders. It is related to many factors such as building appearance, site, equipment, construction safety, quality, progress, cost, and process connection.

[0003] At present, the unit curtain wall is generally hoisted by a gun carriage, that is, the unit curtain wall is hoisted by a winch installed on the gun carriage through a traction rope wound around a fixed pulley installed on the gun carriage hoisting arm. During the hoisting process, the gun carriage needs to be firmly fixed on the floor to ensure construction safety and installation quality; when the hoisting and installation of a construction location is completed, the gun carriage needs to be moved to the next construction location, and the working state of the gun carriage needs to be constantly switched between fixed and mobile. The gun carriage of the prior art is large in size and deadweight, and the floor slab of the top floor is difficult to bear the deadweight of the crane and the hoisting load force. In addition, the gun carriage is clumsy to move and inconvenient to fix, resulting in a relatively high work intensity for construction workers during the construction process, certain safety hazards, reduced production efficiency, and thus affecting the construction period.

[0004] The utility model with authorization announcement number CN214167173U discloses a combined curtain wall panel mobile lifting trolley. Although this application solves the above-mentioned problems to a certain extent, in actual work, the power vehicle support arm is pulled by inclined rods and wire ropes, and the working strength of the mobile lifting trolley is limited, facing the problems of easy deformation and short working life. Summary of the invention

[0005] The purpose of the embodiment of the utility model is to provide a mobile artillery vehicle for hoisting, so as to solve the problems of limited working strength, easy deformation and short working life of the existing mobile artillery vehicles for hoisting.

[0006] The technical solution adopted in the embodiment of the utility model is: a mobile artillery vehicle for hoisting, comprising:

[0007] A mobile frame, on which a cantilever and a winch are arranged;

[0008] The bottom end of the cantilever is rotatably connected to the moving frame, a fixed pulley is provided on the top of the cantilever, and a supporting vertical rod for supporting the cantilever is provided below the cantilever;

[0009] The hoist is provided with a steel wire rope, the free end of which passes around a fixed pulley and is provided with a lifting fixture.

[0010] Furthermore, the top end of the support vertical rod is rotatably connected to the cantilever, and the bottom end of the support vertical rod is fixedly connected to the middle part of the horizontally arranged support cross rod;

[0011] The middle part of the supporting cross bar is connected to the moving frame through a connecting rod;

[0012] The length of the supporting vertical rod is adjustable.

[0013] Furthermore, the upper middle portion of the cantilever is rotatably connected to the top end of the supporting vertical rod;

[0014] The middle part of the supporting crossbar is rotatably connected to one end of the connecting rod, and the other end of the connecting rod is rotatably connected to the moving frame;

[0015] The lower part of the supporting vertical rod is fixed by two connecting ribs;

[0016] The two connecting ribs and the supporting cross bar form an isosceles triangle structure, and the supporting vertical bar is arranged on the midline of the isosceles triangle structure;

[0017] A height-adjustable supporting structure is provided at the bottom of the supporting crossbar.

[0018] Furthermore, the supporting vertical rod comprises two sections of threaded barrels and a threaded rod threadedly connected between the threaded barrels at both ends;

[0019] The two ends of the threaded rod extend into the two sections of the threaded barrel correspondingly. When the threaded rod is rotated, the two sections of the threaded barrel at both ends of the threaded rod move synchronously in opposite directions, so that the length of the exposed part of the threaded rod increases.

[0020] Furthermore, the mobile artillery vehicle for hoisting further comprises a plurality of pull ropes;

[0021] One end of the pull rope is fixedly connected to the top of the cantilever, and the other end of the pull rope is fixed to one end of a double-headed screw rope tightener;

[0022] The other end of the double-head screw rope tightener is hinged to the moving frame;

[0023] The fixed end of the steel wire rope is fixed to the moving frame by a double-head screw rope tightener;

[0024] The movable frame is provided with a weight-adjustable counterweight assembly.

[0025] Furthermore, the double-head screw rope tightener comprises a waist-shaped rope tightening frame and adjustment screws arranged at both ends of the rope tightening frame;

[0026] The two ends of the rope tightening frame are fixed with fixing nuts, the fixing nuts are threadedly connected with the adjusting screws, and the adjusting screws at the two ends of the rope tightening frame are coaxially arranged and have opposite thread directions;

[0027] The end of the adjusting screw located in the rope tightening frame is provided with a limit block, and the limit block is used to prevent the adjusting screw from being separated from the rope tightening frame;

[0028] The other end of each adjusting screw is rotatably connected to a connecting ring, and the double-headed screw rope tightener for connecting the pull rope is connected to the pull rope and the moving frame through the connecting rings at both ends, and the double-headed screw rope tightener for connecting the wire rope is connected to the wire rope and the moving frame through the connecting rings at both ends.

[0029] Furthermore, the rope tightening frame is provided with an anti-loosening mechanism for preventing the adjusting screw and the rope tightening frame from rotating relative to each other during the hoisting process;

[0030] The anti-loosening mechanism limits the rotation of the limit block.

[0031] Furthermore, the rope tightening frame is provided with an anti-loosening mechanism for preventing the adjusting screw and the rope tightening frame from rotating relative to each other during the hoisting process, and the anti-loosening mechanism includes:

[0032] A fixed block, the fixed block is fixed to the middle of the rope tightening frame;

[0033] Two sliding sleeves, wherein the sliding sleeves are slidably connected to the rope tightening frame;

[0034] The fixed block is located between the two sliding sleeves, and a compression spring is provided between the sliding sleeve and the fixed block;

[0035] The sliding sleeve is provided with a polygonal limiting through hole which is matched and clamped with the limiting block.

[0036] The beneficial effects of the embodiments of the utility model are:

[0037] 1. The cantilever is supported by the support vertical rod, and during the cantilever adjustment process, the support vertical rod is always in a vertical state. During hoisting, the support vertical rod is only subjected to vertical loads. Compared with the inclined support rod, the support vertical rod has better force bearing, higher working strength, and is not easy to deform. It can extend the service life of the mobile gun carriage and solve the problems of limited working strength, easy deformation, and short working life of the existing mobile gun carriage for hoisting;

[0038] 2. The cantilever angle can be adjusted simply by raising the support crossbar, which is convenient and quick to use and improves the working efficiency of the mobile gun carriage;

[0039] 3. The angle adjustment function of the cantilever can also be achieved by adjusting the length of the supporting vertical rod and the height of the supporting horizontal rod, which adds a guarantee for the normal use of the mobile gun carriage, so that the mobile gun carriage can freely adjust the angle of the cantilever when the ground is uneven and the height of the supporting horizontal rod is inconvenient to adjust. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0041] Figure 1 The first structural schematic diagram is a mobile gun carriage for hoisting.

[0042] Figure 2 The second structural schematic diagram is a mobile gun carriage for hoisting.

[0043] Figure 3 The present invention is a structural schematic diagram of a double-head screw rope tightener for a mobile gun carriage used for hoisting.

[0044] In the figure, 1. mobile frame, 2. supporting cross bar, 3. connecting rod, 4. supporting vertical rod, 5. wire rope, 6. fixed pulley, 7. cantilever, 8. pull rope, 9. winch, 10. counterweight assembly, 11. double-headed screw rope tightener, 111. rope tightening frame, 112. fixing block, 113. sliding sleeve, 114. fixing nut, 115. connecting ring, 116. adjusting screw, 117. limit block, 118. compression spring. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0046] Example 1

[0047] This embodiment provides a mobile artillery vehicle for hoisting, such as Figure 1~2 As shown, it includes a moving frame 1, a cantilever 7 and a winch 9;

[0048] The bottom end of the cantilever 7 is rotatably connected to the moving frame 1, so that the cantilever 7 can be rotated to adjust the angle, and a fixed pulley 6 is provided on the top of the cantilever 7;

[0049] The hoist 9 is provided with a steel wire rope 5, the free end of which is passed around a fixed pulley 6 and is provided with a lifting fixture such as a hook;

[0050] A supporting vertical rod 4 is arranged below the cantilever 7 to support it. During hoisting, the supporting vertical rod 4 is only subjected to vertical load. Compared with the inclined supporting rod, the supporting vertical rod 4 has better stress resistance, is not easily deformed, and can extend the service life of the mobile gun carriage.

[0051] In some embodiments, the top end of the support vertical rod 4 is rotatably connected to the cantilever 7, and the bottom end of the support vertical rod 4 is fixedly connected to the middle of the horizontally arranged support cross bar 2;

[0052] The middle portion of the support crossbar 2 is connected to the moving frame 1 via a connecting rod 3 to ensure the support stability of the support vertical rod 4 .

[0053] In some embodiments, the middle portion of the support cross bar 2 is rotatably connected to one end of the connecting rod 3, and the other end of the connecting rod 3 is rotatably connected to the mobile frame 1. At this time, the angle of the cantilever 7 can be adjusted by raising the support cross bar 2, which is convenient and quick to use and improves the working efficiency of the mobile artillery vehicle.

[0054] In some embodiments, the length (height) of the support vertical rod 4 is adjustable, and all height-adjustable or length-adjustable rod structures can be used as the support vertical rod 4 of this embodiment, so as to effectively support the cantilever 7 hoisted at different angles.

[0055] In some embodiments, the support vertical rod 4 includes two sections of threaded barrels and a threaded rod threadedly connected between the two ends of the threaded barrels;

[0056] The two ends of the threaded rod extend into the two threaded barrels respectively. When the threaded rod is rotated, the two threaded barrels at both ends of the threaded rod move synchronously in opposite directions, so that the length of the exposed part of the threaded rod is increased, thereby realizing efficient and quick adjustment of the length of the supporting vertical rod 4.

[0057] In some embodiments, the lower portion of the support vertical rod 4 is fixed by two connecting ribs to prevent the bottom of the support vertical rod 4 from becoming unstable;

[0058] The two connecting ribs and the supporting cross bar 2 form an isosceles triangle structure, and the supporting vertical bar 4 is arranged on the midline of the isosceles triangle structure, which can transfer the entire load to the ground and increase the load bearing capacity.

[0059] In some embodiments, the upper middle portion of the cantilever 7 is rotatably connected to the top end of the supporting vertical rod 4 to ensure that the supporting vertical rod 4 effectively supports the cantilever 7 .

[0060] In some embodiments, a height-adjustable support structure is provided at the bottom of the support crossbar 2, and the angle of the cantilever 7 can be adjusted by adjusting the height of the support.

[0061] In some embodiments, the supporting structure at the bottom end of the supporting crossbar 2 uses synchronous hydraulic supporting feet.

[0062] In some embodiments, the mobile artillery vehicle for hoisting further includes a plurality of pull ropes 8;

[0063] One end of the pull rope 8 is fixedly connected to the top of the cantilever 7, and the other end of the pull rope 8 is fixed to one end of the double-headed screw rope tightener 11. The pull rope 8 shares the working pressure of the cantilever 7, increases the upper limit of the working strength that the cantilever 7 can withstand, and further improves the working stability of the mobile gun carriage;

[0064] The other end of the double-head screw rope tightener 11 is hinged to the moving frame 1 .

[0065] In some embodiments, in order to ensure the safety of the lifting process, four steel wire ropes are provided as pull ropes 8.

[0066] In some embodiments, the fixed end of the steel wire rope 5 is fixed to the moving frame 1 via a double-headed screw rope tightener 11 .

[0067] In some embodiments, the diameter of the pull rope 8 is 12 mm, and the diameter of the steel wire rope 5 is 16 mm.

[0068] In some embodiments, the mobile frame 1 is provided with a weight-adjustable counterweight assembly 10, and the weight-adjustable counterweight assembly 10 is used to improve the stability of the mobile frame 1 during the lifting process.

[0069] In some embodiments, Figure 3 As shown, the double-head screw rope tightener 11 includes a waist-shaped rope tightening frame 111 and adjustment screws 116 arranged at both ends of the rope tightening frame 111;

[0070] The two ends of the rope tightening frame 111 are fixed with fixing nuts 114, and the fixing nuts 114 are threadedly connected with the adjusting screws 116. The adjusting screws 116 at the two ends of the rope tightening frame 111 are coaxially arranged and have opposite thread directions.

[0071] The end of the adjusting screw 116 located in the rope tightening frame 111 is provided with a limit block 117, and the limit block 117 is used to prevent the adjusting screw 116 from being separated from the rope tightening frame 111;

[0072] The other end of each adjusting screw 116 is rotatably connected to a connecting ring 115, and the double-headed screw rope tightener 11 connecting the pull rope 8 is connected to the pull rope 8 and the moving frame 1 through the connecting rings 115 at both ends, and the double-headed screw rope tightener 11 connecting the steel wire rope 5 is connected to the steel wire rope 5 and the moving frame 1 through the connecting rings 115 at both ends;

[0073] When in use, the rope tightening frame 111 is rotated to make the adjusting screws 116 at both ends of the rope tightening frame 111 move in opposite directions relative to the rope tightening frame 111 at the same time, thereby adjusting the tension of the pull rope 8.

[0074] In some embodiments, the rope tightening frame 111 is provided with an anti-loosening mechanism for preventing the adjusting screw 116 and the rope tightening frame 111 from rotating relative to each other during the hoisting process;

[0075] The anti-loosening mechanism limits the rotation of the limit block 117, thereby limiting the rotation of the adjusting screw 116.

[0076] In some embodiments, the anti-loosening mechanism includes:

[0077] A fixing block 112, wherein the fixing block 112 is fixed to the middle of the rope tightening frame 111;

[0078] Two sliding sleeves 113, wherein the sliding sleeves 113 are slidably connected to the rope tightening frame 111;

[0079] The fixing block 112 is located between the two sliding sleeves 113 , and a compression spring 118 is provided between the sliding sleeve 113 and the fixing block 112 ;

[0080] The sliding sleeve 113 is provided with a polygonal limiting through hole that matches and engages with the limiting block 117 , which limits the rotation of the limiting block 117 while not affecting the relative rotation between the adjusting screw 116 and the rope tightening frame 111 when adjusting the tension of the pull rope 8 .

[0081] In some embodiments, Figure 3 As shown, a sliding groove is provided on the outer circumference of the rope tightening frame 111 , and the sliding sleeve 113 is sleeved in the sliding groove and can move along the sliding groove. The length of the sliding groove is the sliding distance of the sliding sleeve 113 .

[0082] In some embodiments, the mobile frame 1 has a width of 1500 mm and a length of 2000 mm;

[0083] The chassis of the mobile frame 1 is a frame structure welded from steel pipes. The cantilever 7 is hinged to the corresponding horizontal steel pipe at the width center of the mobile frame 1, and the distance from the counterweight assembly 10 is 1500mm. The length of the shared cantilever 7 is 2600mm.

[0084] The hoist 9 is located at the center of the width of the moving frame 1 and close to one end of the counterweight assembly 10, and is 640 mm away from the rear end of the moving frame 1;

[0085] The movable frame 1 is made of Q335 square steel pipe, wherein the horizontal keel of the movable frame 1 is made of 80×80×6mm rectangular steel pipe; the cantilever 7 is made of 120×80×6mm thick rectangular steel pipe;

[0086] The support vertical rod 4 is made of a rectangular steel tube of 80×80×6mm;

[0087] The steel pipe is welded by four-sided welding, and the welding position is a 5mm fillet weld;

[0088] The fixed pulley 6 is made of high-strength nylon pulley, the material of which is M30 8.8-grade bolt rod, and is fixed on both sides by two 12mm thick ear plates;

[0089] The cantilever 7 and the supporting vertical rod 4 are hinged with M20 bolts, and the ear plate is a 12mm thick steel plate;

[0090] The cantilever 7 is hinged to the moving frame 1 with M20 bolts, and the lug plate is a 12mm thick steel plate;

[0091] After stability simulation verification, a verification report was generated. After verification by the supervision, quality inspection station and other relevant departments, the above is in compliance with the lifting construction within a specific range, with the size of the mobile frame 1 adopted.

[0092] Example 2

[0093] A mobile artillery vehicle for hoisting and a method of using the same, the specific steps are as follows:

[0094] Step S1, installing the manufactured mobile frame 1 on the platform to be hoisted, fixing the mobile frame 1, adjusting the hoisting height of the cantilever 7 by adjusting the height of the supporting cross bar 2 and / or the supporting vertical bar 4, and setting the distance from the counterweight assembly 10;

[0095] Step S2, start the hoist 9, ensure that the wire rope 5 can be freely raised and lowered within the lifting range, and then fix and adjust the support cross bar 2;

[0096] Step S3, when lifting, fix the curtain wall panel to a lifting fixture such as a hook at the end of the wire rope 5, start the winch 9, slowly lift the curtain wall panel until it leaves the ground and reaches the required distance from the ground (such as 20 cm), check the firmness of the pull rope 8 and the stability of the mobile frame 1, start the winch 9 again, and lift the curtain wall panel to the installation position;

[0097] Step S4, stabilize the curtain wall panel and insert the bolts, temporarily fix the curtain wall panel with the bolts, loosen the lifting fixture at the end of the wire rope 5, and repeatedly lift multiple curtain wall panels at the current lifting position until all curtain wall panels at the lifting position are installed;

[0098] Step S5, after closing the winch, adjust to the next hoisting position. Specifically, if the hoisting position adjustment can be satisfied by adjusting the support cross bar 2 and / or the support vertical bar 4, the movable frame 1 does not need to be moved;

[0099] If the hoisting position cannot be adjusted by adjusting the support cross bar 2 and / or the support vertical bar 4, move the mobile frame 1 to the next hoisting position, then adjust the height of the support cross bar 2 and / or the support vertical bar 4, and perform fine adjustment of the hoisting position to determine the next hoisting position;

[0100] Step S6, repeat steps S1 to S5 until the installation of curtain wall panels at all hoisting positions is completed.

[0101] In some embodiments, the construction work surface conditions can be combined on site, and multiple mobile gun carriages can be used to carry out construction simultaneously to improve the construction efficiency of the work surface and speed up the progress of curtain wall construction.

[0102] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. A mobile artillery vehicle for hoisting, characterized in that: include: A mobile frame (1), wherein a cantilever (7) and a winch (9) are provided on the mobile frame (1); The bottom end of the cantilever (7) is rotatably connected to the moving frame (1), a fixed pulley (6) is provided at the top of the cantilever (7), and a supporting vertical rod (4) is provided below the cantilever (7) to support the cantilever (7); The hoist (9) is provided with a steel wire rope (5), the free end of the steel wire rope (5) is passed around a fixed pulley (6) and is provided with a lifting fixture; The top end of the support vertical rod (4) is rotatably connected to the cantilever (7), and the bottom end of the support vertical rod (4) is fixedly connected to the middle part of the horizontally arranged support cross rod (2); The middle portion of the supporting crossbar (2) is connected to the movable frame (1) via a connecting rod (3); The length of the supporting vertical rod (4) is adjustable; The upper middle portion of the cantilever (7) is rotatably connected to the top end of the supporting vertical rod (4); The middle portion of the supporting crossbar (2) is rotatably connected to one end of the connecting rod (3), and the other end of the connecting rod (3) is rotatably connected to the moving frame (1); The lower part of the supporting vertical rod (4) is fixed by two connecting ribs; The two connecting ribs and the supporting cross bar (2) form an isosceles triangle structure, and the supporting vertical bar (4) is arranged on the midline of the isosceles triangle structure; A height-adjustable supporting structure is provided at the bottom of the supporting crossbar (2).

2. A mobile artillery vehicle for hoisting according to claim 1, characterized in that: The supporting vertical rod (4) comprises two sections of threaded barrels and a threaded rod threadedly connected between the threaded barrels at both ends; The two ends of the threaded rod extend into the two sections of the threaded barrel correspondingly. When the threaded rod is rotated, the two sections of the threaded barrel at both ends of the threaded rod move synchronously in opposite directions, so that the length of the exposed part of the threaded rod increases.

3. A mobile artillery vehicle for hoisting according to any one of claims 1 to 2, characterized in that: Also includes a plurality of draw cords (8); One end of the pull rope (8) is fixedly connected to the top end of the cantilever (7), and the other end of the pull rope (8) is fixed to one end of a double-headed screw rope tightener (11); The other end of the double-head screw rope tightener (11) is hinged to the movable frame (1); The fixed end of the steel wire rope (5) is fixed to the moving frame (1) via a double-headed screw rope tightener (11); The movable frame (1) is provided with a weight-adjustable counterweight assembly (10).

4. A mobile artillery vehicle for hoisting according to claim 3, characterized in that: The double-head screw rope tightener (11) comprises a waist-shaped rope tightening frame (111) and adjustment screws (116) arranged at two ends of the rope tightening frame (111); The two ends of the rope tightening frame (111) are fixed with fixing nuts (114), the fixing nuts (114) are threadedly connected to the adjusting screws (116), and the adjusting screws (116) at the two ends of the rope tightening frame (111) are coaxially arranged and have opposite thread directions; A limit block (117) is provided at the end of the adjusting screw (116) located inside the rope tightening frame (111), and the limit block (117) is used to prevent the adjusting screw (116) from being separated from the rope tightening frame (111); The other end of each adjusting screw (116) is rotatably connected to a connecting ring (115); a double-headed screw rope tightener (11) connected to the pull rope (8) is connected to the pull rope (8) and the moving frame (1) via the connecting rings (115) at both ends; and a double-headed screw rope tightener (11) connected to the steel wire rope (5) is connected to the steel wire rope (5) and the moving frame (1) via the connecting rings (115) at both ends.

5. The mobile artillery vehicle for hoisting according to claim 4, characterized in that: The rope tightening frame (111) is provided with an anti-loosening mechanism for preventing the adjusting screw (116) and the rope tightening frame (111) from rotating relative to each other during the lifting process; The anti-loosening mechanism limits the rotation of the limit block (117).

6. The mobile artillery vehicle for hoisting according to claim 4, characterized in that: The rope tightening frame (111) is provided with an anti-loosening mechanism for preventing the adjusting screw (116) and the rope tightening frame (111) from rotating relative to each other during the lifting process. The anti-loosening mechanism comprises: A fixing block (112), wherein the fixing block (112) is fixed to the middle of the rope tightening frame (111); Two sliding sleeves (113), wherein the sliding sleeves (113) are slidably connected to the rope tightening frame (111); The fixed block (112) is located between the two sliding sleeves (113), and a compression spring (118) is provided between the sliding sleeves (113) and the fixed block (112); The sliding sleeve (113) is provided with a polygonal limiting through hole which matches and engages with the limiting block (117).

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