CN112607631A - Small gun carrier - Google Patents
Small gun carrier Download PDFInfo
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- CN112607631A CN112607631A CN202011477320.8A CN202011477320A CN112607631A CN 112607631 A CN112607631 A CN 112607631A CN 202011477320 A CN202011477320 A CN 202011477320A CN 112607631 A CN112607631 A CN 112607631A
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- suspension arm
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- frame body
- support frame
- cross rod
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 86
- 239000010959 steel Substances 0.000 claims abstract description 86
- 239000000725 suspension Substances 0.000 claims abstract description 78
- 230000005484 gravity Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 5
- 230000007306 turnover Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000004566 building material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- B66C25/00—Cranes not provided for in groups B66C17/00 - B66C23/00
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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
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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
- B66C15/00—Safety gear
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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
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The application provides a small gun carrier, includes: the hoisting device comprises a frame, a winch, a steel hanger and a hoisting steel wire rope; the winch is fixed on the frame body; the steel hanger comprises a suspension arm and a support frame, wherein the suspension arm and the support frame are in rotary connection through a connecting assembly, and the relative positions of the suspension arm and the support frame are locked through the connecting assembly; the rear end of the suspension arm is detachably connected with the front end of the frame body, the front end of the suspension arm is provided with a fixed pulley, and a hoisting steel wire rope penetrates through the fixed pulley to be connected with a winch on the frame body; the distance between the front end of the suspension arm and the lifting fulcrum is smaller than that between the rear end of the suspension arm and the lifting fulcrum. In the toy gun car that this application provided, through set up the hoist engine on the frame to the adoption can dismantle the foldable steel hanger with connected to the frame, not only simple structure is convenient for dismouting moreover, adopts the toy gun car carries out the hoist and mount operation, and not only the operability is strong, can repeat the turnover in addition and use, is favorable to practicing thrift construction cost.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a small gun carrier.
Background
In the decoration construction stage, the vertical transportation of the building materials usually adopts the modes of a people and goods elevator, a chain block, a fixed winch and the like. However, the existing vertical transportation modes have certain defects. For example, people and goods elevators have limitations on the size of the material, and some of the material cannot be transported using people and goods elevators. The hoisting positions of the chain block and the fixed winch are fixed, and the operability is poor.
Disclosure of Invention
The invention aims to provide a small gun carrier, which aims to solve the problem that the existing vertical transportation mode has various limitations and cannot meet the use requirement.
In order to solve the above technical problem, the present invention provides a small gun carriage, comprising: the hoisting device comprises a frame, a winch, a steel hanger and a hoisting steel wire rope;
the frame comprises a frame body and wheels arranged below the frame body, and the winch is fixed on the frame body;
the steel hanger comprises a suspension arm and a support frame, wherein the suspension arm and the support frame are in rotary connection through a connecting assembly, and the relative position of the suspension arm and the support frame is locked through the connecting assembly;
the rear end of the suspension arm is detachably connected with the front end of the frame body, the front end of the suspension arm is provided with a fixed pulley, the hoisting steel wire rope penetrates through the fixed pulley to be connected with a winch on the frame body, the suspension arm takes the support frame as a hoisting fulcrum, and the distance between the front end of the suspension arm and the hoisting fulcrum is smaller than the distance between the rear end of the suspension arm and the hoisting fulcrum.
Optionally, in the small gun carriage, the frame body includes a horizontal portion and a vertical portion, the vertical portion includes a pillar and a cantilever structure, the pillar is fixed to a front end of the horizontal portion, and the cantilever structure is fixed to an upper end of the pillar;
the suspension arm and the support frame both comprise a door-shaped frame, the door-shaped frame comprises two side vertical rods and a top cross rod, and the top cross rod is positioned at the tops of the two side vertical rods and is fixedly connected with the two side vertical rods;
the frame body, the suspension arm and the support frame are formed by welding rectangular steel square tubes.
Optionally, in the small gun carrier, the vertical rods on the two sides of the suspension arm are connected with the vertical rods on the two sides of the support frame in a threaded connection mode, and the front picking structure of the frame body is inserted into the vertical rods on the two sides of the suspension arm and detachably connected with the suspension arm through the pin assembly.
Optionally, in the small gun carriage, the suspension arm further includes a first cross bar, a second cross bar and a connecting plate;
the first cross rod and the second cross rod are connected in the portal frame and are parallel to the top cross rod, the first cross rod is positioned between the lifting fulcrum and the top cross rod, and the second cross rod is positioned between the first cross rod and the top cross rod;
the connecting plate is fixed on the top cross rod and the second cross rod.
Optionally, in the small gun carrier, the support frame further includes a backing plate, and the backing plate is fixed to the bottoms of the vertical rods on the two sides.
Optionally, in the small gun carriage, the method further includes: diagonal bracing and a drawknot steel wire rope;
the inclined strut is fixed between the steel hanger and the frame body, lug plates are arranged at the front end of the suspension arm, the top end of the support frame and the front end of the frame body, and the drawknot steel wire rope is connected with the suspension arm, the support frame and the frame body through the lug plates.
Optionally, in the small gun carriage, the method further includes: round steel pull rings and connecting ropes;
the round steel pull ring is fixed at the rear end of the frame body, one end of the connecting rope is connected with the round steel pull ring, and the other end of the connecting rope is connected with the main structure of a building.
Optionally, the small gun carriage further comprises a limiting device, and the limiting device is mounted at the front end of the suspension arm.
Optionally, the small gun carriage further comprises a counterweight block, and the counterweight block is arranged on the frame body.
Optionally, in the small gun carriage, a distance between a gravity center of the winch and the counterweight and the lifting fulcrum is a, a distance between the lifting point and the lifting fulcrum is b, and a ratio of a to b satisfies a relation: a/b is more than or equal to 2.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the small gun carrier adopts the detachable foldable steel hanger, so that the small gun carrier is flexible to disassemble and assemble, easy to store and carry and convenient to repeatedly use, and the hoisting operation of the small gun carrier is strong in operability and beneficial to saving the construction cost;
2. the steel hanger comprises a cantilever arm and a support frame serving as a lifting fulcrum, wherein the cantilever arm and the support frame both adopt door-shaped frames, so that the steel hanger is simple in structure and high in overall rigidity;
3. the invention strengthens the structural stability and cantilever support of the small gun carriage by the inclined strut connecting the carriage and the steel hanger and the drawknot steel wire rope connecting the suspension arm, the support frame and the carriage;
4. the safety of the lifting appliance is ensured by arranging the winch and the balancing weight on the frame and controlling the ratio of the gravity center of the winch and the balancing weight to the distance between the lifting fulcrum and the distance between the lifting point and the lifting fulcrum; in addition, through set up round steel pull ring and connection rope on the frame to and set up stop device on the steel hanger, further increase the factor of safety of hoist and mount.
Drawings
FIG. 1 is a three-dimensional perspective view of a toy gun car according to an embodiment of the present invention;
FIG. 2 is a plan view of a dolly of an embodiment of the invention;
FIG. 3 is an elevational view of a cannon car in accordance with an embodiment of the present invention during operation;
FIG. 4 is a three-dimensional perspective view of the small gun carrier of the embodiment of the present invention after the hoisting wire rope, the drawknot wire rope, the diagonal brace and the backing plate are removed;
FIG. 5 is a three-dimensional perspective view of the cannon car of an embodiment of the present invention with the steel hanger and frame separated;
FIG. 6 is a three-dimensional view of the steel hanger of the embodiment of the present invention when folded;
fig. 7 is a three-dimensional perspective view of the cannon car of the embodiment of the invention during transportation.
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings and specific examples.
Please refer to fig. 1 and fig. 2, which are schematic structural diagrams of a small gun carrier according to an embodiment of the present invention. As shown in fig. 1 and 2, the cannon carriage 100 includes: the device comprises a frame, a winch 2, a hoisting steel wire rope 4 and a steel hanger; the frame comprises a frame body 1 and wheels (the reference numbers in the figures are not shown) arranged below the frame body 1, and the winch 2 is fixed on the frame body 1; the steel hanger comprises a suspension arm 5 and a support frame 6, wherein the suspension arm 5 and the support frame 6 are in rotary connection through a connecting assembly, and the relative positions are locked through the connecting assembly; the rear end of the suspension arm 5 is detachably connected with the front end of the frame body 1, the front end of the suspension arm 5 is provided with a fixed pulley 3, the hoisting steel wire rope 4 penetrates through the fixed pulley 3 to be connected with the winch 2 on the frame body 1, the suspension arm 5 takes the support frame 6 as a hoisting fulcrum, and the distance between the front end of the suspension arm 1 and the hoisting fulcrum is smaller than the distance between the rear end of the suspension arm 1 and the hoisting fulcrum.
Specifically, the frame includes frame body 1 and install in frame body 1 below wheel, frame body 1 has horizontal part and vertical portion, vertical portion is located wherein one end (rear end) of horizontal part, vertical portion includes stand 11 and preceding structure 12 of choosing, preceding structure 12 of choosing is fixed in the upper end of stand 11 is used for connecting davit 5.
The steel hanger comprises a suspension arm 5 and a support frame 6, wherein the suspension arm 5 and the support frame 6 are rotatably connected and the relative position of the suspension arm 5 and the support frame 6 can be fixed, the suspension arm 5 takes the support frame 6 as a lifting fulcrum, and the distance between the front end of the suspension arm 5 and the lifting fulcrum is smaller than the distance between the rear end of the suspension arm 5 and the lifting fulcrum. According to the lever principle, the length of one side of the hoisting heavy object is smaller than that of the other side of the hoisting heavy object by taking the support frame 6 as a fulcrum, so that more objects can be hoisted.
In this embodiment, the suspension arm 5 and the support frame 6 both include a door-shaped frame, the door-shaped frame includes two side vertical rods and a top cross rod, the top cross rod is located the top of two side vertical rods and with two side vertical rods fixed connection.
In this embodiment, a group of bolt holes (reference numerals are not shown in the drawings) are formed in the vertical rods on the two sides of the support frame 6 and the vertical rods on the two sides of the suspension arm 5, the door-shaped frame of the support frame 6 and the door-shaped frame of the suspension arm 5 are connected through a bolt assembly 7, that is, the two door-shaped frames are rotatably connected through the bolt assembly 7, and the relative positions of the two door-shaped frames are locked through the bolt assembly 7.
In other embodiments, the gate frame of the support frame 6 and the gate frame of the boom 5 can also be connected by a hinge, a hinge or other means. As long as the relative positions of the two portal frames can be adjusted and fixed, so that the steel hanger can be folded or unfolded, and the relative positions of the support frame 6 and the suspension arm 5 can be fixed after the steel hanger is unfolded.
In this embodiment, a group of pin holes (not shown in the figures) are further disposed on the front picking structure 12 and the vertical rods on the two sides of the suspension arm 5, and the rear end of the suspension arm 5 (i.e. the bottom end of the door-shaped frame) and the front picking structure 12 are detachably connected through a pin assembly 8. In other embodiments, the rear end of the suspension arm 5 and the front end of the frame body 1 (i.e., the front cantilever structure 12) may also be connected by a threaded socket, a bolt assembly, a screw assembly, a buckle, etc., as long as the rear end of the suspension arm 5 and the front end of the frame body 1 can be reliably connected and can be detached.
In this embodiment, the upright post 11 is vertically disposed, the front-picking structure 12 is horizontally disposed, and the length direction of the front-picking structure 12 is consistent with the length direction of the suspension arm 5. Correspondingly, the boom 5 is also horizontally arranged.
In other embodiments, the length direction of the cantilever structure 12 and the length direction of the boom 5 may not coincide. For example, the boom 5 may be inclined while the boom structure 12 is horizontally disposed, or both the boom structure 12 and the boom 5 may be inclined. Wherein the tilt direction of the boom 5 is upward from the rear end to the front end.
With continuing reference to fig. 1 and 2, the suspension arm 5 further includes a first cross bar 13, a second cross bar 14 and a connecting plate 15, the first cross bar 13 and the second cross bar 14 are connected in the portal frame and parallel to the top cross bar, the first cross bar 13 is located between the lifting fulcrum and the top cross bar, the second cross bar 14 is located between the first cross bar 13 and the top cross bar, the connecting plate 15 is fixed on the top cross bar and the second cross bar 14, the support frame 6 further includes a backing plate 10, and the backing plate 10 is mounted at the bottom of the support frame 6 and fixedly connected to vertical bars at two sides of the support frame 6. Wherein, the backing plate 10 and the connecting plate 15 are used for increasing the stressed area so as to reduce the contact pressure.
In this embodiment, the backing plate 10 and the connecting plate 15 are both steel plates, the size of the backing plate 10 is 500 × 500(mm), and the size of the connecting plate 15 is 200 × 300 × 8 (mm).
Referring to fig. 1 and 3, the winch 2 is mounted on the frame body 1, a base of the winch 2 is fixedly connected to a horizontal portion of the frame body 1 through an M12 penetrating bolt 9, the fixed pulley 3 is mounted at a front end of the suspension arm 5, and the hoisting steel wire rope 4 is connected to the winch 2 on the frame body 1 through the fixed pulley 3.
Please continue to refer to fig. 1 to 3, the rear end of the frame body 1 is provided with a vertical rod (no reference numeral shown in the figure), the counter weight blocks 16 are multiple blocks and are inserted one by one on the vertical rod, and are provided with counter weight blocks 16, the counter weight blocks 16 are arranged behind the lifting fulcrum, so that the gravity center of the lifting appliance can be adjusted, the stability of the lifting appliance is improved, and the risk of the lifting appliance toppling over is reduced, the rear end of the frame body 1 is further provided with a round steel pull ring 17 and a connecting rope 18, the round steel pull ring 17 is fixed on the horizontal part of the frame body 1, one end of the connecting rope 18 is connected with the pull ring round steel 17, and the other end of the connecting rope 18 is connected with the main structure of the building, so as to further increase the safety.
In this embodiment, the weight block 16 is a cement block, and a through hole is reserved in the middle of the cement block. Preferably, the weight block 16 is disposed at the front end of the horizontal portion of the frame body 1 so as to be as far away from the suspension arm 5 as possible.
In this embodiment, the hoisting machine 2 is an electric hoisting machine with a small size, a light weight, a large hoisting weight, a flexible operation, safety, reliability and durability, and has a weight of 600kg and a counterweight of 400 kg. Considering the influence of dynamic load, etc., the weight of the crane can be lifted by about 1500 kg.
With continued reference to fig. 2 and 3, the distance between the center of gravity of the hoist 2 and the counterweight 16 and the lifting fulcrum is a, the distance between the lifting point and the lifting fulcrum is b, and the ratio of a to b should satisfy the following relation: a/b is more than or equal to 2. That is, the distance between the center of gravity of the hoist 2 and the weight block 16 and the lifting fulcrum exceeds twice the distance between the lifting point and the lifting fulcrum. Thus, the safety of the lifting appliance can be ensured.
With continuing reference to fig. 1 and fig. 3, an inclined strut 19 is disposed between the frame body 1 and the steel hanger, one end of the inclined strut 16 is fixedly connected to the bottom of the upright of the frame body 1, the other end of the inclined strut 16 is fixedly connected to the steel hanger (the joint between the support frame 6 and the suspension arm 5) to enhance the stability of the frame body 1 and the steel hanger, ear plates 21 are disposed at the front end of the suspension arm 5, the top end of the support frame 6, and the front end of the frame body 1, and the drawknot steel wire rope 20 is connected to the suspension arm 5, the support frame 6, and the frame body 1 through the suspension arm 5, the support frame 6, and the ear plates 21 on the frame body 1 to enhance the cantilever support. The steel wire rope 20 is used as a pull rod, and can be a complete segment or two segments.
In this embodiment, the inclined strut 16 is fixed between the frame body 1 and the steel hanger through a bolt assembly 22.
With continued reference to fig. 1, the small gun carriage 100 further includes a limiting device 23, and the limiting device 23 is mounted at the front end of the boom 5, and can limit the weight from rising within a set height range, so as to avoid safety accidents caused by the absence of the limiting device.
In the small gun carriage 100 provided by this embodiment, the frame body 1 and the steel hanger (including the suspension arm 5 and the support frame 6) are formed by welding rectangular steel square pipes, the horizontal portion of the frame body 1 forms a plane stress framework, the vertical portion of the frame body 1 is connected with the cantilever arm (i.e., the suspension arm 5 of the steel hanger), and a steel wire rope is used for diagonal pulling to strengthen the cantilever support. The relative position between the suspension arm 5 and the support frame 6 of the steel suspension bracket is adjustable, namely the steel suspension bracket can be folded or unfolded, and the suspension arm 5 is detachably connected with the frame body 1. When the small gun carrier 100 is transferred to other construction sections, the suspension arm 5 can be separated from the frame body 1, and the steel hanging bracket is folded, so that the transportation is facilitated.
As shown in fig. 3, during the lifting operation, the cart 100 is installed on a designated floor, and the steel hanger is unfolded, so that the support frame 6 of the steel hanger is vertically disposed on the floor as a lifting fulcrum, the boom 5 of the steel hanger is horizontally disposed, the rear end of the steel hanger is connected to the frame body 1 through the pin assembly 8, the front end of the steel hanger extends out of the floor, the relative positions of the support frame 6 and the boom 5 are locked through the bolt assembly 7, and after the lifting wire rope 4 droops and is connected with a heavy object, an operator opens the hoist 2 to hoist the heavy object.
As shown in fig. 4 to 7, when transportation is required, the hoisting steel wire rope 4 and the tying steel wire rope 20 are firstly removed, then the bolts are screwed off, the inclined strut 19 and the base plate 10 are removed, then the pin assembly 8 is removed, the frame body 1 and the suspension arm 5 are separated, then part of the bolts are screwed off, the relative positions of the suspension arm 5 and the support frame 6 are adjusted, the steel hanger is furled, and finally, the furled steel hanger is placed on the frame body 1 for transportation.
When the cannon car 100 provided by the embodiment is used for vertical transportation of building materials, the hoisting position is adjustable, the operability is strong, and the size limit of the building materials is small. In addition, the small gun carrier 100 is convenient to disassemble and transport, can be displaced at any time and repeatedly recycled, and can effectively reduce the cost of vertical transportation of building materials.
In this embodiment, the size that rectangular steel square pipe was adopted to the horizontal part of frame body 1 is 120 × 60 × 5(mm), in the vertical part of frame body 1, the size that rectangular steel square pipe was adopted to stand 11 is 120 × 60 × 5(mm), the size that rectangular steel square pipe was adopted to preceding structure 12 of choosing is 60 × 40 × 4(mm), the size that rectangular steel square pipe was adopted to the steel hanger is 80 × 60 × 5(mm), bracing 19 adopts the angle steel, the size of angle steel is 63 × 63 × 5(mm), the size of otic placode 21 is 60 × 80 × 8(mm), hoist wire rope 4 with the diameter of drawknot wire rope 20 is 16 mm.
It should be noted that the sizes of the rectangular square steel tube, the inclined strut 19, the ear plate 21, the hoisting steel wire rope 4, the tie steel wire rope 20, the pad plate 10 and the connecting plate 15 are only for example and are not limited, and those skilled in the art can set the sizes of the rectangular square steel tube, the inclined strut 19, the ear plate 21, the hoisting steel wire rope 4, the tie steel wire rope 20, the pad plate 10 and the connecting plate 15 according to actual requirements.
In conclusion, in the small gun carrier provided by the invention, the winch is arranged on the frame, the detachable and foldable steel hanger is connected with the frame, the steel hanger is formed by combining the cantilever arm and the supporting frame serving as a lifting fulcrum, the structure is simple, the steel hanger is convenient to disassemble and assemble, and the small gun carrier is used for lifting operation, so that the operability is high, the repeated turnover use can be realized, and the construction cost is saved.
The foregoing is a more detailed description of the present application in connection with specific preferred embodiments and it is not intended that the present application be limited to these specific details. For those skilled in the art to which the present application pertains, several simple deductions or substitutions may be made without departing from the concept of the present application, and all should be considered as belonging to the protection scope of the present application.
Claims (10)
1. A dolly, comprising: the hoisting device comprises a frame, a winch, a steel hanger and a hoisting steel wire rope;
the frame comprises a frame body and wheels arranged below the frame body, and the winch is fixed on the frame body;
the steel hanger comprises a suspension arm and a support frame, wherein the suspension arm and the support frame are in rotary connection through a connecting assembly, and the relative position of the suspension arm and the support frame is locked through the connecting assembly;
the rear end of the suspension arm is detachably connected with the front end of the frame body, the front end of the suspension arm is provided with a fixed pulley, the hoisting steel wire rope penetrates through the fixed pulley to be connected with a winch on the frame body, the suspension arm takes the support frame as a hoisting fulcrum, and the distance between the front end of the suspension arm and the hoisting fulcrum is smaller than the distance between the rear end of the suspension arm and the hoisting fulcrum.
2. The cart according to claim 1, wherein said frame body includes a horizontal portion and a vertical portion, said vertical portion including a pillar secured to a front end of said horizontal portion and a cantilever structure secured to an upper end of said pillar;
the suspension arm and the support frame both comprise a door-shaped frame, the door-shaped frame comprises two side vertical rods and a top cross rod, and the top cross rod is positioned at the tops of the two side vertical rods and is fixedly connected with the two side vertical rods;
the frame body, the suspension arm and the support frame are formed by welding rectangular steel square tubes.
3. The cart as claimed in claim 2, wherein the vertical rods on both sides of the suspension arm are connected with the vertical rods on both sides of the supporting frame by screw connection, and the front protruding structure of the frame body is inserted into the vertical rods on both sides of the suspension arm and detachably connected with the suspension arm by a pin assembly.
4. The cart of claim 2, wherein said boom further comprises a first cross bar, a second cross bar, and a connecting plate;
the first cross rod and the second cross rod are connected in the portal frame and are parallel to the top cross rod, the first cross rod is positioned between the lifting fulcrum and the top cross rod, and the second cross rod is positioned between the first cross rod and the top cross rod;
the connecting plate is fixed on the top cross rod and the second cross rod.
5. The cart of claim 2, wherein the support frame further comprises a backing plate secured to the bottom of the side rails.
6. The cart of claim 1, further comprising: diagonal bracing and a drawknot steel wire rope;
the inclined strut is fixed between the steel hanger and the frame body, lug plates are arranged at the front end of the suspension arm, the top end of the support frame and the front end of the frame body, and the drawknot steel wire rope is connected with the suspension arm, the support frame and the frame body through the lug plates.
7. The cart of claim 1, further comprising: round steel pull rings and connecting ropes;
the round steel pull ring is fixed at the rear end of the frame body, one end of the connecting rope is connected with the round steel pull ring, and the other end of the connecting rope is connected with the main structure of a building.
8. The cart of claim 1 further comprising a stop mounted to a forward end of said boom.
9. The cart of claim 1, further comprising a weight disposed on said frame body.
10. The cart of claim 9, wherein the center of gravity of the hoist and the weight block is a distance from the lifting fulcrum, the lifting point is b distance from the lifting fulcrum, and the ratio of a to b satisfies the relationship: a/b is more than or equal to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011477320.8A CN112607631A (en) | 2020-12-15 | 2020-12-15 | Small gun carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011477320.8A CN112607631A (en) | 2020-12-15 | 2020-12-15 | Small gun carrier |
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| CN112607631A true CN112607631A (en) | 2021-04-06 |
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| CN202011477320.8A Pending CN112607631A (en) | 2020-12-15 | 2020-12-15 | Small gun carrier |
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| CN205953370U (en) * | 2016-08-30 | 2017-02-15 | 中建八局第二建设有限公司 | Perpendicular transport means of unitized curtain wall |
| CN206126744U (en) * | 2016-09-18 | 2017-04-26 | 西安交通大学 | A indoor hoist of folded cascade for shock attenuation component connection plate |
| CN106241618A (en) * | 2016-09-20 | 2016-12-21 | 中建八局第四建设有限公司 | A kind of curtain wall profiles boom hoisting |
| CN207110618U (en) * | 2017-08-16 | 2018-03-16 | 国网内蒙古东部电力有限公司 | A kind of tower bar sets up boom hoisting |
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Application publication date: 20210406 |