CN116791898B - Prestressed membrane tensioning device and construction method thereof - Google Patents
Prestressed membrane tensioning device and construction method thereof Download PDFInfo
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- CN116791898B CN116791898B CN202311094661.0A CN202311094661A CN116791898B CN 116791898 B CN116791898 B CN 116791898B CN 202311094661 A CN202311094661 A CN 202311094661A CN 116791898 B CN116791898 B CN 116791898B
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- 239000012528 membrane Substances 0.000 title claims abstract description 65
- 238000010276 construction Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 47
- 239000010959 steel Substances 0.000 claims abstract description 47
- 238000004804 winding Methods 0.000 claims description 33
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 10
- 238000011900 installation process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 229920006302 stretch film Polymers 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010413 gardening Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/34—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
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- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
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- Electromagnetism (AREA)
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Abstract
The invention relates to the technical field of membrane construction, and particularly discloses a prestressed membrane tensioning device and a construction method thereof. According to the invention, the third fixed side plate, the tensioning steel wire rope and the movable pulley are arranged, so that when the upper Zhang Lagou lock and the lower tensioning hook lock are installed, the tensioning steel wire rope is in a loose state, so that a worker can conveniently adjust the installation angle in the installation process, the energy of the worker is saved, and the tensioning steel wire rope can more conveniently be tensioned and tightened by bypassing the movable pulley.
Description
Technical Field
The invention relates to the technical field of membrane construction, in particular to a prestressed membrane tensioning device and a construction method thereof.
Background
In recent years, with the development of society, the use of stretch-film in the fields of construction, gardening, agriculture and the like has been increasing, and the stretch-film structure is formed by stretching a film material on a structure by a guy cable, and the stretch-film structure may be also called a stretch-film structure and is a structural system composed of a stable space hyperbolic stretch-film surface, a supporting mast system, supporting cables, edge cables and the like.
The prior art is that the staff lays the stretch-draw membrane at the top of support, and its edge is fixed through welded mounting, can't carry out nimble regulation at daily in-process of using, and stretch-draw membrane installation technique installs comparatively loaded down with trivial details simultaneously, inconvenient staff's operation, and stretch-draw membrane need stretch-draw in the installation, time and energy consuming when leading to the staff to install. Therefore, there is a need to design a prestressed membrane tensioning device and a construction method thereof.
Disclosure of Invention
The invention aims to provide a prestressed membrane tensioning device and a construction method thereof, which are used for solving the problems that the tensioning membrane installation technology provided in the background art is complicated to install and inconvenient for operators to operate.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a prestressing force membrane tensioning equipment, includes stretch-draw membrane stretch-draw main body shell, winding pole and stretch-draw membrane main body, the inside rotation of stretch-draw membrane stretch-draw main body shell is installed and is twined the pole, the first fixed curb plate of top fixedly connected with of stretch-draw membrane stretch-draw main body shell, run through between the first fixed curb plate and install first rivet, the outside of first rivet rotates and installs the connecting block, the top fixed mounting of connecting block has first fixed block, the inside rotation of first fixed block installs the stretch-draw hook lock, the bottom fixed mounting of stretch-draw membrane stretch-draw main body shell has the second fixed curb plate, the bottom fixedly connected with third fixed curb plate of second fixed curb plate, the bottom movable mounting of third fixed curb plate has the connecting piece, the bottom of connecting piece rotates and installs down stretch-draw hook lock, the top of connecting piece inner wall rotates and is connected with the movable pulley, the outside winding of twining the pole has stretch-draw wire rope.
Preferably, a fixed steel ring is fixedly arranged at one end of the tensioning steel wire rope, a fixed plate is movably arranged at the front end and the rear end of the second fixed side plate, a second rivet penetrates through the second fixed side plate and is fixedly arranged in the fixed plate, and a fixed pulley is rotatably arranged in the fixed plate.
Preferably, a ratchet wheel is fixedly arranged at the front end and the rear end of the outer side of the winding rod, a tensioning pressure rod is rotatably arranged on the inner wall of the tensioning film tensioning main body shell through a damping rotating shaft, and limiting teeth matched with the ratchet wheel are rotatably connected inside the tensioning pressure rod.
Preferably, the top of the limiting teeth is fixedly provided with a first limiting plate, the interior of the tensioning pressure rod is fixedly connected with a second fixing block, and a first spring is fixedly arranged between the first limiting plate and the second fixing block.
Preferably, a connecting rod is fixedly arranged at one end of the tensioning pressure rod, and a first grip is fixedly connected at one end of the connecting rod.
Preferably, the inside of connecting rod has seted up first spacing hole, and one side fixed mounting of fixed plate has the third fixed block, and the inside of third fixed block runs through slidable mounting has first gag lever post.
Preferably, the outside fixed mounting of first gag lever post has the second limiting plate, and the outside of first gag lever post cup joints installs the third limiting plate, and fixed mounting has the second spring between second limiting plate and the third limiting plate.
Preferably, a second grip is fixedly arranged at the front end and the rear end of the stretching membrane stretching main body shell, and a sponge cushion is fixedly connected to the outer side of the second grip.
Preferably, the tension membrane further comprises a clamping plate fixing piece movably arranged at the front end and the rear end of the tension membrane body, and steel wire rope winding rings are fixedly arranged at the two sides and the bottom of the clamping plate fixing piece.
Preferably, the tension membrane further comprises a second limiting rod fixedly arranged at the bottom of the tension membrane main body, and a limiting block is fixedly connected to the top of the clamping plate fixing piece.
Preferably, the inside of splint mounting runs through and rotates and installs the bolt, and the one end rotation of bolt is connected with the nut.
Preferably, a second limiting hole is formed in one side of the clamping plate fixing piece, and a third limiting rod extending to the inside of the second limiting hole is fixedly arranged on the inner wall of the other side of the clamping plate fixing piece.
The invention also discloses a construction method of the prestressed membrane tensioning device, which comprises the following steps:
step one: one end of a tensioning steel wire rope is fixedly connected to a winding rod, the tensioning steel wire rope is wound on the outer side of the winding rod, the other end of the tensioning steel wire rope is wound around the outer sides of a fixed pulley and a movable pulley, after penetrating through the outer sides of the fixed rod, the other end of the tensioning steel wire rope and the tensioning steel wire rope are fixedly buckled together by a fixed steel ring, the other end of the tensioning steel wire rope is fixedly wound on the outer sides of the fixed rod, a clamping plate fixing piece is slidably arranged at the front end and the rear end of a tensioning film main body, one end of a third limiting rod is inserted into and arranged in a second limiting hole, the second limiting rod is arranged at the inner side of a limiting block to form limiting, and then a bolt is rotatably arranged in the clamping plate fixing piece to enable a nut to be rotatably arranged at one end of the bolt, so that the tensioning film main body is clamped and fixed by the two clamping plate fixing pieces;
step two: the upper tensioning hook lock is rotationally buckled in a steel wire rope winding ring, then the lower tensioning hook lock is buckled at a fixed connection point at the other end, then a sponge pad at the outer side of the second grip and the first grip are held, a tensioning pressure rod is pressed downwards, one end of a limiting tooth forms pressure on the outer teeth of a ratchet wheel downwards, then the tensioning pressure rod is lifted upwards, when the tensioning pressure rod is lifted to the highest point, the limiting tooth is reset due to the elastic force of a first spring, and then the outer teeth of the ratchet wheel are continuously pressed, so that the ratchet wheel drives the winding rod to rotate, the tensioning steel wire rope is wound and tightened on the outer side of the winding rod through a movable pulley and a fixed pulley, and at the moment, the edge of a tensioning film is tensioned and tightened;
step three: the connecting rod is moved to the inner side of one end of the fixed plate, and at the moment, the elastic force of the second spring acts on the second limiting plate, so that one end of the first limiting rod slides into the first limiting hole, the connecting rod is fixed to the inner side of the fixed plate, and the process of stretching the pressure rod arm is stored to prevent pedestrians from being collided when passing through.
Compared with the prior art, the invention has the beneficial effects that:
1. through being provided with first fixed curb plate, first rivet, connecting block, first fixed block and go up stretch-draw hook lock, the connecting block rotates and installs in the outside of first rivet, goes up stretch-draw hook lock and rotates the inside of installing at first fixed block, makes and goes up stretch-draw hook lock and can rotate, then is connected with stretch-draw membrane main part, makes the staff more convenient when installing and connecting stretch-draw membrane main part.
2. Through being provided with stretch-draw membrane stretch-draw main part shell, second fixed curb plate, connecting piece and lower stretch-draw hook lock, the staff rotates down stretch-draw hook lock angle regulation, then buckles down stretch-draw hook lock on fixed connection piece, makes the staff operation more convenient.
3. Through being provided with third fixed curb plate, stretch-draw wire rope and movable pulley, when last Zhang Lagou lock and lower stretch-draw hook lock installation are accomplished the back, stretch-draw wire rope is in the relaxation state this moment, makes the staff conveniently adjust installation angle at the installation, has saved staff's energy, and stretch-draw wire rope bypasses the movable pulley and more makes things convenient for the stretch-draw to tighten up.
Drawings
FIG. 1 is a schematic diagram of the front view of the body shell of the tensioned membrane of the present invention;
FIG. 2 is a schematic side view of the tensioned membrane tensioned body housing of the present invention;
FIG. 3 is a schematic side view of the connector of the present invention;
FIG. 4 is a schematic top view of a fixing plate according to the present invention;
FIG. 5 is a schematic view of a partial front cross-sectional structure of a tension pressure bar of the present invention;
FIG. 6 is a schematic view of a partial front view of the body of the tensioned membrane of the present invention;
fig. 7 is a schematic rear view of the cleat retainer of the present invention.
In the figure: 1. stretching the main body shell by a stretching membrane; 101. winding a rod; 102. a first fixed side plate; 103. a first rivet; 104. a connecting block; 105. a first fixed block; 106. a tensioning hook lock is arranged; 107. a second fixed side plate; 108. a third fixed side plate; 109. a connecting piece; 2. a lower tensioning hook lock; 201. tensioning the steel wire rope; 202. fixing the steel ring; 203. a movable pulley; 204. a fixing plate; 205. a second rivet; 206. a fixed pulley; 207. a fixed rod; 208. a ratchet wheel; 209. tensioning a pressure rod; 3. limit teeth; 301. a first limiting plate; 302. a second fixed block; 303. a first spring; 304. a connecting rod; 305. a first grip; 306. a first limiting hole; 307. a third fixed block; 308. a first stop lever; 309. a second limiting plate; 4. a third limiting plate; 401. a second spring; 402. a second grip; 403. a sponge cushion; 404. stretching the membrane main body; 405. a clamping plate fixing member; 406. a steel wire rope winding ring; 407. a bolt; 408. a screw cap; 409. a second limit rod; 5. a limiting block; 501. a second limiting hole; 502. and a third limiting rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, an embodiment of the present invention is provided:
the utility model provides a prestressing force membrane tensioning equipment, including stretch-draw membrane stretch-draw main body shell 1 and winding pole 101, stretch-draw membrane stretch-draw main body shell 1's inside rotation installs winding pole 101, stretch-draw membrane stretch-draw main body shell 1's top fixedly connected with first fixed curb plate 102, run through between the first fixed curb plate 102 and install first rivet 103, the connecting block 104 is installed in the outside rotation of first rivet 103, the top fixed mounting of connecting block 104 has first fixed block 105, the inside rotation of first fixed block 105 is installed and is stretched out hook 106, stretch-draw membrane stretch-draw main body shell 1's bottom fixed mounting has second fixed curb plate 107, the bottom fixedly connected with third fixed curb plate 108 of second fixed curb plate 107, the bottom movable mounting of third fixed curb plate 108 has connecting piece 109, fixedly mounted dead lever 207 between the third fixed curb plate 108, the bottom rotation of connecting piece 109 is installed down stretch-draw hook 2, the top of connecting piece 109 inner wall is connected with movable pulley 203, stretch-draw wire rope 201 is twined in the outside of winding pole 101.
The connecting block 104 is rotatably arranged on the outer side of the first rivet 103, the upper tensioning hook lock 106 is rotatably arranged in the first fixing block 105, the upper tensioning hook lock 106 can rotate and then is connected with the tensioning membrane main body 404, a worker can conveniently install the tensioning membrane main body 404, the worker rotates the lower tensioning hook lock 2 to adjust the angle, then the lower tensioning hook lock 2 is buckled on a fixed connecting piece, the operation is more convenient, after the upper Zhang Lagou lock 106 and the lower tensioning hook lock 2 are installed, the tensioning steel wire rope 201 is in a loose state at the moment, the worker can conveniently adjust the installation angle in the installation process, the effort of the worker is saved, and the tensioning steel wire rope 201 bypasses the movable pulley 203 to conveniently tighten.
Specifically, a fixed steel ring 202 is fixedly installed at one end of the tension steel wire rope 201, a fixed plate 204 is movably installed at the front end and the rear end of the second fixed side plate 107, a second rivet 205 is fixedly installed inside the fixed plate 204 penetrating through the second fixed side plate 107, and a fixed pulley 206 is rotatably installed inside the fixed plate 204. The stretching wire rope 201 is wound on the outer side of the fixed pulley 206, when the stretching wire rope 201 stretches, the fixed pulley 206 rotates to enable the stretching wire rope 201 to stretch more firmly, and the firmness of the device is improved.
Specifically, ratchet 208 is fixedly arranged at the front end and the rear end of the outer side of winding rod 101, tensioning pressure rod 209 is rotatably arranged on the inner wall of tensioning membrane tensioning main body shell 1 through a damping rotating shaft, and limiting teeth 3 matched with ratchet 208 are rotatably connected in tensioning pressure rod 209. The operator presses the tension pressure rod 209 downward, so that the external teeth of the ratchet 208 generate downward pressure, and the ratchet 208 drives the winding rod 101 to rotate, so that the tension wire rope 201 winds and tightens on the outer side of the winding rod 101, and the tension film main body 404 is tightened.
Specifically, a first limiting plate 301 is fixedly installed on the top of the limiting tooth 3, a second fixing block 302 is fixedly connected to the inside of the tensioning pressure rod 209, and a first spring 303 is fixedly installed between the first limiting plate 301 and the second fixing block 302. When the tension pressure rod 209 is shifted upwards, the inclined surfaces of the limit teeth 3 are contacted with the inclined surfaces of the teeth on the outer side of the ratchet wheel 208, so that the first spring 303 is pressed by pressure, and when the tension pressure rod 209 is shifted to the highest point, the elastic potential energy of the first spring 303 is converted into kinetic energy to act on the first limit plate 301, so that the limit teeth 3 are reset.
Specifically, a connecting rod 304 is fixedly mounted at one end of the tension pressure rod 209, and a first grip 305 is fixedly connected to one end of the connecting rod 304. The first grip 305 is held by the worker, and the tension pressure rod 209 is pressed by the connecting rod 304, so that the tension operation of the worker is facilitated.
Specifically, a first limiting hole 306 is formed in the connecting rod 304, a third fixing block 307 is fixedly mounted on one side of the fixing plate 204, and a first limiting rod 308 is mounted in the third fixing block 307 in a penetrating and sliding manner. When the tensioning membrane main body 404 is tensioned, a worker stores the tensioning pressure rod 209 at the inner side of the fixed plate 204, so that one end of the first limiting rod 308 slides into the first limiting hole 306, and the tensioning pressure rod 209 is limited and fixed at the inner side of the fixed plate 204, thereby avoiding collision of pedestrians caused by the moment arm process of the tensioning pressure rod 209 when passing through.
Specifically, a second limiting plate 309 is fixedly installed on the outer side of the first limiting rod 308, a third limiting plate 4 is sleeved and installed on the outer side of the first limiting rod 308, and a second spring 401 is fixedly installed between the second limiting plate 309 and the third limiting plate 4. Since the elastic force of the second spring 401 acts on the second limiting plate 309, one end of the first limiting rod 308 slides into the first limiting hole 306 more firmly, so that the tension pressure rod 209 is fixed more firmly.
Specifically, a second grip 402 is fixedly arranged at the front end and the rear end of the tensioning film tensioning main body shell 1, and a foam cushion 403 is fixedly connected to the outer side of the second grip 402. When a worker performs stretching operation, the sponge cushion 403 at the outer side of the second grip 402 is held by one hand, and the first grip 305 is held by the other hand, so that the worker saves more labor in the stretching process, and the operation portability of the device is improved.
Specifically, the tension membrane further comprises a clamping plate fixing piece 405 movably mounted at the front end and the rear end of the tension membrane main body 404, and steel wire rope winding rings 406 are fixedly mounted at the two sides and the bottom of the clamping plate fixing piece 405. The clamping plate fixing piece 405 is installed at the front end and the rear end of the tension film main body 404 to clamp the tension film main body 404, and then the tension steel wire rope 201 is wound in the steel wire rope winding ring 406, so that the connection and installation of tension equipment by workers are facilitated.
Specifically, the device further comprises a second limiting rod 409 fixedly installed at the bottom of the tensioning membrane main body 404, and a limiting block 5 is fixedly connected to the top of the clamping plate fixing piece 405. When the clamping plate fixing piece 405 clamps the tensioning membrane main body 404, the second limiting rod 409 is arranged at the bottom of the limiting block 5, and the limiting block 5 limits the second limiting rod 409, so that the clamping plate fixing piece 405 is fixedly arranged at the front end and the rear end of the tensioning membrane main body 404, the operation of a worker is facilitated, and the installation portability of the device is improved.
Specifically, a bolt 407 is rotatably installed in the clamping plate fixing member 405, and a nut 408 is rotatably connected to one end of the bolt 407. When the clamping plate fixing member 405 is mounted at the front end and the rear end of the tension membrane main body 404, the bolt 407 penetrates through the clamping plate fixing member 405 to be rotatably mounted, and then the nut 408 is rotatably mounted at one end of the bolt 407, so that the clamping plate fixing member 405 is fixedly mounted at the front end and the rear end of the tension membrane main body 404, and the firmness of the device is improved.
Specifically, a second limiting hole 501 is formed in one side of the clamping plate fixing member 405, and a third limiting rod 502 extending into the second limiting hole 501 is fixedly mounted on the inner wall of the other side of the clamping plate fixing member 405. When the clamping plate fixing piece 405 is installed, the third limiting rod 502 slides into the second limiting hole 501, so that the clamping plate fixing piece 405 is installed more stably, and the connection stability of the device is improved.
The invention also discloses a construction method of the prestressed membrane tensioning device, which comprises the following steps:
step one: the method comprises the steps that a worker fixedly connects one end of a tensioning steel wire rope 201 to a winding rod 101, winds the tensioning steel wire rope 201 on the outer side of the winding rod 101, winds the other end of the tensioning steel wire rope 201 around the outer sides of a fixed pulley 206 and a movable pulley 203, passes through the outer sides of a fixed rod 207, fixedly clamps the other end of the tensioning steel wire rope 201 and the tensioning steel wire rope 201 by a fixed steel ring 202, fixedly winds the other end of the tensioning steel wire rope 201 on the outer sides of the fixed rod 207, then slidingly installs a clamping plate fixing piece 405 on the front end and the rear end of a tensioning film main body 404, enables one end of a third limiting rod 502 to be inserted into and installed in a second limiting hole 501, enables a second limiting rod 409 to be installed on the inner side of a limiting block 5, and then rotatably installs a bolt 407 in the clamping plate fixing piece 405, enables a nut 408 to be rotatably installed on one end of the bolt 407, and accordingly enables two clamping plate fixing pieces 405 to clamp and fix the tensioning film main body 404;
step two: the worker rotationally clamps the upper tensioning hook lock 106 in the steel wire rope winding ring 406, clamps the lower tensioning hook lock 2 at a fixed connection point at the other end, then holds the sponge pad 403 at the outer side of the second grip 402 by one hand of the worker, holds the first grip 305 by the other hand of the worker, presses the tensioning pressure rod 209 downwards to enable one end of the limiting tooth 3 to downwards form pressure on the outer teeth of the ratchet wheel 208, then lifts the tensioning pressure rod 209 upwards, when the tensioning pressure rod 209 is lifted to the highest point, the limiting tooth 3 is reset due to the elastic force of the first spring 303 on the first limiting plate 301, and then continuously presses the outer teeth of the ratchet wheel 208, so that the ratchet wheel 208 drives the winding rod 101 to rotate, the tensioning steel wire rope 201 is wound and tightened at the outer side of the winding rod 101 through the movable pulley 203 and the fixed pulley 206, and the edge of the tensioning film is tensioned and stretched;
step three: finally, the staff moves the connecting rod 304 to the inner side of one end of the fixed plate 204, at this time, because the elastic force of the second spring 401 acts on the second limiting plate 309, one end of the first limiting rod 308 slides into the first limiting hole 306, and the connecting rod 304 is fixed to the inner side of the fixed plate 204 to be stored so as to avoid collision of pedestrians during passing by in the tension process of the tension pressure rod 209.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a prestressing force membrane stretch-draw device, includes stretch-draw membrane stretch-draw main part shell (1), its characterized in that: the inside of stretch-draw membrane stretch-draw main body shell (1) rotates and installs winding pole (101), the top fixedly connected with first fixed curb plate (102) of stretch-draw membrane stretch-draw main body shell (1), run through between first fixed curb plate (102) and install first rivet (103), connecting block (104) are installed in the outside rotation of first rivet (103), first fixed block (105) are installed to the top fixed mounting of connecting block (104), stretch-draw hook lock (106) are installed in the inside rotation of first fixed block (105);
the bottom of the tensioning membrane tensioning main body shell (1) is fixedly provided with a second fixed side plate (107), the bottom of the second fixed side plate (107) is fixedly connected with a third fixed side plate (108), the bottom of the third fixed side plate (108) is movably provided with a connecting piece (109), a fixed rod (207) is fixedly arranged between the third fixed side plates (108), the bottom of the connecting piece (109) is rotatably provided with a lower tensioning hook lock (2), the top of the inner wall of the connecting piece (109) is rotatably connected with a movable pulley (203), and the outer side of the winding rod (101) is wound with a tensioning steel wire rope (201);
a fixed steel ring (202) is fixedly arranged at one end of the tensioning steel wire rope (201), a fixed plate (204) is movably arranged at the front end and the rear end of the second fixed side plate (107), a second rivet (205) penetrates through the second fixed side plate (107) in the fixed plate (204), and a fixed pulley (206) is rotatably arranged in the fixed plate (204);
a ratchet wheel (208) is fixedly arranged at the front end and the rear end of the outer side of the winding rod (101), a tensioning pressure rod (209) is rotatably arranged on the inner wall of the tensioning film tensioning main body shell (1) through a damping rotating shaft, and a limiting tooth (3) matched with the ratchet wheel (208) is rotatably connected inside the tensioning pressure rod (209);
a first limiting plate (301) is fixedly arranged at the top of the limiting teeth (3), a second fixed block (302) is fixedly connected inside the tensioning pressure rod (209), and a first spring (303) is fixedly arranged between the first limiting plate (301) and the second fixed block (302);
a connecting rod (304) is fixedly arranged at one end of the tensioning pressure rod (209), and a first grip (305) is fixedly connected at one end of the connecting rod (304);
a first limiting hole (306) is formed in the connecting rod (304), a third fixing block (307) is fixedly arranged on one side of the fixing plate (204), and a first limiting rod (308) is arranged in the third fixing block (307) in a penetrating and sliding manner; when the tensioning membrane main body (404) is tensioned, the tensioning pressure rod (209) is contained in the inner side of the fixed plate (204), and one end of the first limiting rod (308) slides into the first limiting hole (306), so that the tensioning pressure rod (209) is limited and fixed in the inner side of the fixed plate (204);
the outside fixed mounting of first gag lever post (308) has second limiting plate (309), and third limiting plate (4) are cup jointed and are installed in the outside of first gag lever post (308), and fixed mounting has second spring (401) between second limiting plate (309) and third limiting plate (4).
2. The pre-stressed membrane tensioning device of claim 1, wherein: the front end and the rear end of the tensioning membrane tensioning main body shell (1) are fixedly provided with a second grip (402), and the outer side of the second grip (402) is fixedly connected with a foam cushion (403).
3. The pre-stressed membrane tensioning device of claim 2, wherein: the tension membrane further comprises a clamping plate fixing piece (405) movably mounted at the front end and the rear end of the tension membrane body (404), and steel wire rope winding rings (406) are fixedly mounted at the two sides and the bottom of the clamping plate fixing piece (405).
4. A pre-stressed membrane tensioning apparatus as recited in claim 3, wherein: the device also comprises a second limiting rod (409) fixedly arranged at the bottom of the tensioning membrane main body (404), and a limiting block (5) is fixedly connected to the top of the clamping plate fixing piece (405); the inside of splint mounting (405) runs through and rotates installs bolt (407), and one end of bolt (407) rotates and is connected with nut (408).
5. The prestressed membrane tensioning device of claim 4, wherein: a second limiting hole (501) is formed in one side of the clamping plate fixing piece (405), and a third limiting rod (502) extending into the second limiting hole (501) is fixedly arranged on the inner wall of the other side of the clamping plate fixing piece (405).
6. A construction method of a prestressed membrane tensioning device, comprising the prestressed membrane tensioning device of claim 5, characterized by comprising the steps of:
step one: one end of a tensioning steel wire rope (201) is fixedly connected to a winding rod (101), the tensioning steel wire rope (201) is wound on the outer side of the winding rod (101), the other end of the tensioning steel wire rope (201) is wound around the outer sides of a fixed pulley (206) and a movable pulley (203), after penetrating through the outer sides of a fixed rod (207), the other end of the tensioning steel wire rope (201) and the tensioning steel wire rope (201) are fixedly buckled together through a fixed steel ring (202), the other end of the tensioning steel wire rope (201) is fixedly wound on the outer sides of the fixed rod (207), then a clamping plate fixing piece (405) is slidably installed at the front end and the rear end of a tensioning film main body (404), one end of a third limiting rod (502) is inserted into and installed inside a second limiting hole (501), the second limiting rod (409) is installed inside a limiting block (5), a limiting block is formed, a bolt (407) is rotatably installed inside the clamping plate fixing piece (405), a nut (408) is rotatably installed at one end of the bolt (407), and accordingly the clamping plate fixing piece (405) is clamped by the clamping plate fixing piece (405).
Step two: the upper tensioning hook lock (106) is rotationally buckled in a steel wire rope winding ring (406), then the lower tensioning hook lock (2) is buckled at a fixed connection point at the other end, then a spongy cushion (403) at the outer side of the second grip (402) and the first grip (305) are simultaneously held, the tensioning pressure rod (209) is pressed downwards, one end of the limiting tooth (3) forms pressure to the outer teeth of the ratchet wheel (208) downwards, then the tensioning pressure rod (209) is lifted upwards, when the tensioning pressure rod (209) is lifted to the highest point, the limiting tooth (3) is reset due to the elastic force of the first spring (303) on the first limiting plate (301), then the outer teeth of the ratchet wheel (208) are continuously pressed, so that the ratchet wheel (208) drives the winding rod (101) to rotate, the tensioning steel wire rope (201) is tightly wound on the outer side of the winding rod (101) through the movable pulley (203) and the fixed pulley (206), and the edge of the tensioning film is tensioned;
step three: the connecting rod (304) is moved to the inner side of one end of the fixed plate (204), and at the moment, one end of the first limiting rod (308) slides into the first limiting hole (306) due to the elastic force of the second spring (401) acting on the second limiting plate (309), so that the connecting rod (304) is fixed to the inner side of the fixed plate (204) to be stored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| AU6305565A (en) * | 1965-08-23 | 1967-02-23 | Henry Hewitt Charles | Improvements ina manually operated jack for lifting and lowering loads froman overhead support |
| US3985342A (en) * | 1971-09-07 | 1976-10-12 | Denman Stephen A | Portable hoist |
| US4445669A (en) * | 1981-08-18 | 1984-05-01 | Consolidated Cable and Rigging, Inc. | Cable tensioning device |
| CA2081184A1 (en) * | 1991-10-31 | 1993-05-01 | Yoshio Nishi | Lever type traction machine |
| DE4206888A1 (en) * | 1992-03-05 | 1993-09-09 | Beyer Hans Georg | Appts. for inserting stainless steel lining into chimney - has basic frame,settable in front of chimney mouth,carrying cable drum with crank drive and ratchet |
| CA2106826A1 (en) * | 1992-10-07 | 1994-04-08 | Howard M. Keibler | Log lifting and supporting device |
| CN205100579U (en) * | 2015-10-20 | 2016-03-23 | 中铁城建集团第二工程有限公司 | A supplementary safe anti -falling device for steel structure installation overhauls |
| CN106760531A (en) * | 2016-12-16 | 2017-05-31 | 中建三局第建设工程有限责任公司 | Film cloth self-support type stretching construction instrument and its Membrane of Tensile Buildings cloth method |
| CN111809735A (en) * | 2020-07-28 | 2020-10-23 | 成都建工第二建筑工程有限公司 | Soft membrane stretch-draw fixing device |
| CN112190910A (en) * | 2020-09-24 | 2021-01-08 | 吉林农业科技学院 | Novel sports competition score device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB697569A (en) * | 1951-09-28 | 1953-09-23 | Carl Malcolm Lundstroem | Lifting jack |
| GB927000A (en) * | 1960-05-02 | 1963-05-22 | Duff Norton Co | An improved ratchet lever hoist |
| AU6305565A (en) * | 1965-08-23 | 1967-02-23 | Henry Hewitt Charles | Improvements ina manually operated jack for lifting and lowering loads froman overhead support |
| US3985342A (en) * | 1971-09-07 | 1976-10-12 | Denman Stephen A | Portable hoist |
| US4445669A (en) * | 1981-08-18 | 1984-05-01 | Consolidated Cable and Rigging, Inc. | Cable tensioning device |
| CA2081184A1 (en) * | 1991-10-31 | 1993-05-01 | Yoshio Nishi | Lever type traction machine |
| DE4206888A1 (en) * | 1992-03-05 | 1993-09-09 | Beyer Hans Georg | Appts. for inserting stainless steel lining into chimney - has basic frame,settable in front of chimney mouth,carrying cable drum with crank drive and ratchet |
| CA2106826A1 (en) * | 1992-10-07 | 1994-04-08 | Howard M. Keibler | Log lifting and supporting device |
| CN205100579U (en) * | 2015-10-20 | 2016-03-23 | 中铁城建集团第二工程有限公司 | A supplementary safe anti -falling device for steel structure installation overhauls |
| CN106760531A (en) * | 2016-12-16 | 2017-05-31 | 中建三局第建设工程有限责任公司 | Film cloth self-support type stretching construction instrument and its Membrane of Tensile Buildings cloth method |
| CN111809735A (en) * | 2020-07-28 | 2020-10-23 | 成都建工第二建筑工程有限公司 | Soft membrane stretch-draw fixing device |
| CN112190910A (en) * | 2020-09-24 | 2021-01-08 | 吉林农业科技学院 | Novel sports competition score device |
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| Publication number | Publication date |
|---|---|
| CN116791898A (en) | 2023-09-22 |
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