Auxiliary hoisting device for glass fiber reinforced plastic inner barrel type chimney
Patent Information
- Application Number
- CN202422742547.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-11
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-11-11
AI Technical Summary
During the lifting process, the fiberglass inner cylinder is prone to collide with the outer wall of the chimney, resulting in deformation, and the prior art is difficult to avoid such damage.
The lifting auxiliary device consisting of a gantry, a support cross frame, a horizontal displacement mechanism, a winding frame and a motor is fixed by horizontal movement and clamping to avoid collision.
It realizes stable lifting of the fiberglass inner cylinder, avoids collision with the outer wall of the chimney, improves construction safety and work efficiency, and is simple to operate.
Smart Images

Figure CN223304055U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a hoisting device, in particular to a glass fiber reinforced plastic inner tube type chimney hoisting auxiliary device, belonging to the technical field of hoisting. Background Art
[0002] Generally, the outer tube of a chimney is a reinforced concrete structure, and the inner tube is made of fiberglass. When installing the inner tube of a chimney, it is usually transported by hoisting. Since the chimney itself is relatively high and the exterior of the chimney is mostly a concrete structure, when the fiberglass inner tube is hoisted from a high altitude, it is easy for the fiberglass inner tube to collide with the outer wall of the chimney, causing deformation of the fiberglass inner tube. Utility Model Content
[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a fiberglass inner tube chimney hoisting auxiliary device, which can avoid collision between the fiberglass inner tube and the chimney outer wall during the hoisting process and ensure that the fiberglass inner tube is not damaged.
[0004] The technical solution adopted by the utility model to solve the technical problem is:
[0005] A fiberglass inner tube chimney lifting auxiliary device includes a gantry, a supporting cross frame and a reinforcing rod, the gantry is arranged at the top of the chimney, a supporting cross frame is arranged between the gantries, a horizontal displacement mechanism is arranged above the supporting cross frame, and a connecting plate is arranged on the horizontal displacement mechanism, a winding frame is arranged at the bottom of the connecting plate, a second motor is arranged on the outside of the winding frame, a supporting frame is connected to the bottom of the winding frame by a pull rope, and a first cross sleeve is connected to the top of the supporting frame by a pillar, a first insertion rod is inserted in the first cross sleeve, and a first guide wheel is arranged at the end of the first insertion rod.
[0006] There are four first insertion rods, which are fixedly connected to the first cross sleeve by bolts.
[0007] A second cross sleeve is provided at the bottom of the object support rack, a second insertion rod is inserted at the end of the second cross sleeve, a second guide wheel is provided at the end of the second insertion rod, and there are four second insertion rods, which are fixedly connected to the second cross sleeve by bolts respectively.
[0008] The two ends of the supporting cross frame extend out of the two sides of the gantry frame respectively, and a reinforcing rod is arranged between the supporting cross frame and the outer wall of the chimney.
[0009] The horizontal displacement mechanism consists of a first gear group, a second gear group, a first motor and a chain. The first gear group is arranged at the left end of the supporting cross frame, the second gear group is arranged at the right end of the supporting cross frame, and a first motor is arranged on the outside of the second gear group. The first gear group and the second gear group are respectively composed of two gears and a rotating shaft. The gears are arranged on the supporting cross frame through a bracket, and a rotating shaft is provided between the left and right gears. A matching chain is provided between the corresponding gears of the first gear group and the second gear group, and a connecting plate is provided on the top of the chain.
[0010] A lifting lug is provided at the center of the top of the first cross sleeve.
[0011] The positive beneficial effects of the utility model are:
[0012] 1. The utility model is capable of horizontally moving the FRP inner tube by arranging a horizontal displacement mechanism on the top of the supporting cross frame, and is capable of lifting and lowering the FRP inner tube by arranging a winding frame and a motor under the connecting plate, and can quickly lift the FRP inner tube to the installation position.
[0013] 2. The utility model provides a first cross sleeve above the support frame and a first guide wheel at the end of the first insertion rod, so as to clamp and fix the fiberglass inner tube and ensure stability during the lifting process.
[0014] 3. The utility model provides a second cross sleeve under the support frame and a second guide wheel at the end of the second rod. When in use, the position of the second rod is adjusted so that the second rod is extended outside the fiberglass inner tube to avoid collision and friction between the fiberglass inner tube and the outer wall of the chimney. The second guide wheel is provided at the end of the second rod, which facilitates the device to move up along the outer wall of the chimney, thereby improving work efficiency, ensuring construction safety, and being easy to use and simple to operate. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural diagram of the utility model;
[0016] Figure 2 This is a diagram of the use state of the utility model;
[0017] Figure 3 This is a structural diagram of the second cross sleeve of the present utility model;
[0018] Among them: 1-gantry, 2-support cross frame, 3-reinforcement rod, 4-first gear set, 5-second gear set, 6-chain, 7-connecting plate, 8-winding frame, 9-second motor, 10-pull rope, 11-support frame, 12-pillar, 13-first cross sleeve, 14-first plug rod, 15-first guide wheel, 16 second cross sleeve, 17-second plug rod, 18-second guide wheel. DETAILED DESCRIPTION
[0019] The present invention will be further explained and illustrated below with reference to the accompanying drawings:
[0020] For example, see Figure 1-Figure 3 A fiberglass inner tube chimney lifting auxiliary device comprises a gantry 1, a supporting cross frame 2 and a reinforcing rod 3. The gantry 1 is arranged at the top of the chimney, and a supporting cross frame 2 is arranged between the inner walls of the gantry 1. A horizontal displacement mechanism is arranged above the supporting cross frame 2, and a connecting plate 7 is arranged on the horizontal displacement mechanism. A winding frame 8 is arranged at the bottom of the connecting plate 7, and a second motor 9 is arranged on the outside of the winding frame 8. A supporting frame 11 is connected to the bottom of the winding frame 8 through a pull rope 10, and a first cross sleeve 13 is connected to the top of the supporting frame 11 through a pillar 12. A first insertion rod 1 is inserted in the first cross sleeve 13, and a first guide wheel 15 is provided at the end of the first insertion rod 14.
[0021] There are four first inserting rods 14 , which are fixedly connected to the first cross sleeve 13 by bolts.
[0022] A second cross sleeve 16 is provided at the bottom of the object support rack 11, a second insertion rod 17 is inserted at the end of the second cross sleeve 16, a second guide wheel 18 is provided at the end of the second insertion rod 17, and there are four second insertion rods 17, which are fixedly connected to the second cross sleeve 16 by bolts.
[0023] The two ends of the supporting cross frame 2 extend out of the two sides of the gantry 1 respectively, and a reinforcing rod 3 is provided between the supporting cross frame 2 and the outer wall of the chimney.
[0024] The horizontal displacement mechanism consists of a first gear group 4, a second gear group 5, a first motor and a chain 6. The first gear group 4 is arranged at the left end of the supporting cross frame 2, and the second gear group 5 is arranged at the right end of the supporting cross frame 2. A first motor is arranged on the outside of the second gear group 5. The first gear group 4 and the second gear group 5 are respectively composed of two gears and a rotating shaft. The gears are arranged on the supporting cross frame 2 through a bracket, and a rotating shaft is provided between the left and right gears. A matching chain 6 is provided between the corresponding gears of the first gear group 4 and the second gear group 5, and a connecting plate 7 is provided at the top of the chain 6.
[0025] A lifting lug is provided at the center of the top of the first cross sleeve 13 .
[0026] In the above description, two blue bars are set between the first gear group and the second gear group. The two gears in the first gear group are fixedly connected together by a rotating shaft, and each gear is rotatably connected to the corresponding bracket. The second gear group has the same composition as the first gear group. Under the action of the first motor, it can drive the horizontal movement of the connecting plate, thereby horizontally moving the fiberglass inner tube.
[0027] In the above description, a second motor is provided on the outside of the winding frame. Under the action of the second motor, the pull rope can be lowered and pulled up, thereby realizing the lifting of the fiberglass inner tube.
[0028] In the above description, the outer diameter of the support frame is larger than the outer diameter of the fiberglass reinforced plastic inner tube.
[0029] In the above description, by arranging a first cross sleeve above the support frame and inserting a first insertion rod at the end of the first cross sleeve, the inner wall of the fiberglass inner tube can be tightened and fixed to ensure the stability of the lifting process.
[0030] In the above description, by arranging the second insertion rod in the second cross sleeve, the outer wall of the fiberglass reinforced plastic inner tube and the outer wall of the chimney are prevented from contacting each other, thereby avoiding collision between the two.
[0031] Working principle:
[0032] Before hoisting, place the FRP inner tube on the support frame, and clamp and fix the inner wall of the FRP inner tube by adjusting the position of the first plug rod; at the same time, adjust the position of the second plug rod to make the second guide wheel extend out of the support frame to avoid collision between the two during hoisting; then connect the pull rope to the lifting ear on the top of the first cross sleeve, and under the action of the second motor, the FRP inner tube can be hoisted. After the FRP inner tube is hoisted to the lower position of the supporting cross frame, start the first motor to move the FRP inner tube horizontally to above the chimney, and start the second motor again to lower the FRP inner tube.
[0033] The utility model can clamp and fix the inner wall of the glass fiber reinforced plastic inner tube by arranging a first plug rod at the end of the first cross sleeve, and avoids the collision between the glass fiber reinforced plastic inner tube and the outer wall of the chimney during the lifting process by arranging a second plug rod at the end of the second cross sleeve, thereby ensuring the stability of the lifting, being easy to use, simple to operate, and easy to promote.
Claims
1. A fiberglass inner tube chimney hoisting auxiliary device, comprising a gantry (1), a supporting cross frame (2) and a reinforcing rod (3), characterized in that: The gantry (1) is arranged at the top of the chimney, and a supporting cross frame (2) is arranged between the inner walls of the gantry (1), a horizontal displacement mechanism is arranged above the supporting cross frame (2), and a connecting plate (7) is arranged on the horizontal displacement mechanism, a winding frame (8) is arranged at the bottom of the connecting plate (7), a second motor (9) is arranged on the outside of the winding frame (8), the bottom of the winding frame (8) is connected to a supporting frame (11) through a pull rope (10), and the top of the supporting frame (11) is connected to a first cross sleeve (13) through a pillar (12), a first insertion rod (14) is inserted into the first cross sleeve (13), and a first guide wheel (15) is arranged at the end of the first insertion rod (14).
2. The glass fiber reinforced plastic inner tube chimney hoisting auxiliary device according to claim 1, characterized in that: There are four first insertion rods (14), which are fixedly connected to the first cross sleeve (13) via bolts.
3. The glass fiber reinforced plastic inner tube chimney hoisting auxiliary device according to claim 1, characterized in that: A second cross sleeve (16) is provided at the bottom of the object support frame (11), a second insertion rod (17) is inserted at the end of the second cross sleeve (16), a second guide wheel (18) is provided at the end of the second insertion rod (17), and four second insertion rods (17) are fixedly connected to the second cross sleeve (16) by bolts.
4. The fiberglass inner tube chimney hoisting auxiliary device according to claim 1, characterized in that: The two ends of the supporting cross frame (2) extend out of the two sides of the gantry (1), respectively, and a reinforcing rod (3) is provided between the supporting cross frame (2) and the outer wall of the chimney.
5. The glass fiber reinforced plastic inner tube chimney hoisting auxiliary device according to claim 1, characterized in that: The horizontal displacement mechanism is composed of a first gear group (4), a second gear group (5), a first motor and a chain (6); the first gear group (4) is arranged at the left end of the supporting cross frame (2); the second gear group (5) is arranged at the right end of the supporting cross frame (2); a first motor is arranged outside the second gear group (5); the first gear group (4) and the second gear group (5) are respectively composed of two gears and a rotating shaft; the gears are arranged on the supporting cross frame (2) through a bracket, and a rotating shaft is arranged between the left and right gears; a matching chain (6) is arranged between the corresponding gears of the first gear group (4) and the second gear group (5); a connecting plate (7) is arranged on the top of the chain (6).
6. The fiberglass inner tube chimney hoisting auxiliary device according to claim 1, characterized in that: A lifting lug is provided at the center of the top of the first cross sleeve (13).