Liftable elevator derrick

Abstract

The utility model belongs to the technical field of building construction, and discloses a liftable elevator derrick which comprises a channel steel supporting platform, a control mechanism is arranged on the rear portion of the top side of the channel steel supporting platform, a transmission mechanism is arranged on the front portion of the top side of the channel steel supporting platform, and the control mechanism comprises a supporting frame and a control shaft. A rotating handle is arranged on the top side of the control shaft, a first gear is fixedly arranged on the lower portion of a shaft body of the control shaft, two second transmission rods are rotatably arranged in the supporting frame in a penetrating mode, second gears are fixedly arranged on the upper portions of rod bodies of the second transmission rods, and the first gear and the second gears are connected in an engaged mode. The transmission mechanism comprises a fixing block and two third transmission rods. According to the technical scheme, the control mechanism drives the placing mechanism to adjust the angle through the transmission mechanism, so that gravel blocks and waste materials on the placing mechanism can be conveniently poured into the collecting groove, the surface of the placing mechanism is cleaned, and the safety risk is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and in particular relates to a liftable elevator shaft frame. Background Art

[0002] The elevator shaft frame is a device used in the process of elevator erection, which provides a platform for workers to work. During the pouring of the main structure, the traditional elevator shaft position is paved with I-beams on each floor, and the frame and operating platform are set up on the upper part. After the construction is completed, the frame is dismantled and the above work is repeated, which leads to a significant increase in material and labor costs. In addition, during the elevator construction process, rubble and construction waste will remain on the operating platform. The existing treatment method is generally to sweep the waste directly into the elevator shaft, which increases safety risks. Summary of the invention

[0003] In order to solve the above problems, the utility model provides a liftable elevator shaft frame, in which a staff member operates a control mechanism to adjust the angle of one of the two placement mechanisms through a transmission mechanism, thereby reducing safety risks, and the right-angle slots make the whole easier to disassemble and transfer between floors, thereby reducing material and labor costs.

[0004] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0005] A liftable elevator shaft frame comprises: a channel steel support platform, a control mechanism is arranged at the rear of the top side of the channel steel support platform, and a transmission mechanism is arranged at the front of the top side of the channel steel support platform;

[0006] The control mechanism comprises a support frame and a control shaft, a rotating handle is arranged on the top side of the control shaft, a first gear is fixedly arranged on the lower part of the control shaft body, two second transmission rods are rotatably arranged inside the support frame, a second gear is fixedly arranged on the upper part of the second transmission rod body, and the first gear and the second gear are meshed and connected;

[0007] The transmission mechanism comprises a fixed block and two third transmission rods, a fixed plate is fixedly arranged on one side of the third transmission rod, and a fourth gear is fixedly arranged on one side of the fixed plate.

[0008] Furthermore, a lifting sleeve is provided on the lower part of the shaft of the second transmission rod, and a cross clamping block is fixedly provided on the bottom side of the second transmission rod. A groove is provided on one side of the lifting sleeve, and a connecting clamping block is fixedly provided inside the groove.

[0009] Furthermore, a support rod is fixedly provided on the rear side of the inner wall of the support frame, a support connecting block is rotatably provided on the front side of the support rod body, telescopic rods are fixedly provided on both sides of the support connecting block, one end of the telescopic rod is fixedly provided on one side of the support connecting block, and the other end is rotatably provided on the inner side of the connecting block.

[0010] Furthermore, a rotating shaft is rotatably provided on both sides of the fixed block, a third gear is fixedly provided on the side of the rotating shaft body close to the fixed block, a second protruding thread is fixedly provided on the side of the third transmission rod body close to the fixed block, and the third transmission rod is rotatably provided on one side of the fixed block.

[0011] Furthermore, the channel steel supporting platform comprises a worm, a worm shaft is provided with a first protruding thread, a first transmission rod is fixedly provided on the top side of the worm, and a cross slot is provided on the top side of the first transmission rod.

[0012] Furthermore, a placement mechanism is fixedly arranged on the top side of the transmission mechanism, and the placement mechanism comprises a triangular support plate, and a placement plate is fixedly arranged on the top side of the triangular support plate.

[0013] Furthermore, two Y-shaped steel frames are fixedly arranged at the rear of the bottom side of the channel steel support platform, an I-beam connection is fixedly arranged between the Y-shaped steel frames, and a right-angle slot is opened at the front of the bottom side of the Y-shaped steel frame.

[0014] Furthermore, a fence is arranged on the top side of the channel steel support platform, a collecting trough is fixedly arranged on the front side of the channel steel support platform, and a protective shell is arranged on the middle top side of the transmission mechanism.

[0015] By adopting the above structure, the second gear in the second transmission rod is meshed with the first gear through adjusting the height of the two second transmission rods in the control mechanism and cooperating with the supporting connecting block and the telescopic rod, and the cross block is embedded in the cross slot of the channel steel support platform. At this time, the control shaft is controlled by turning the rotating handle, and then the control shaft drives the second transmission rod to rotate, and the second transmission rod rotates with the worm at the lower end, and the worm drives the first raised thread to drive the fourth gear in the transmission mechanism to rotate, and the fourth gear rotates through the fixed plate, the third transmission rod and the second raised thread, and the thread of the second raised thread engages with the third gear, driving the third gear and the rotating shaft to rotate, and finally the rotating shaft rotates with the placement mechanism, and engages with the right-angle slot and the beam angle of the elevator shaft, and then the channel steel support platform is horizontal to the elevator shaft and is tightly pressed against the elevator shaft, so that it is convenient for staff to work on the channel steel support platform.

[0016] In summary, the beneficial effects of the utility model are as follows: the staff can operate the control mechanism and transmit the force of the control mechanism to the placement mechanism through the transmission mechanism to adjust the angle of the placement plate in the placement mechanism, and then directly tilt the crushed stones and waste on the placement plate into the collection tank, and finally, when the work is completed, the crushed stones and waste in the collection tank are centrally processed to reduce safety risks;

[0017] It is connected by a Y-shaped steel frame, a right-angle slot and an I-beam, and the channel steel support platform is supported by the platform of the elevator shaft, so that the channel steel support platform can be fixed in the elevator shaft, and the Y-shaped steel frame can be disassembled through the right-angle slot and circulated between floors, reducing the cost of materials and labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] 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.

[0019] Figure 1 It is a front view of the utility model;

[0020] Figure 2 It is an axonometric drawing of the utility model;

[0021] Figure 3 It is an axonometric view of the utility model without the fence installed;

[0022] Figure 4 It is an axonometric view of the control mechanism of the utility model in which the support frame is not fully installed;

[0023] Figure 5 This utility model Figure 4 A magnified image of point A;

[0024] Figure 6 It is an axonometric diagram of the utility model without the fence and control mechanism installed;

[0025] Figure 7 This utility model Figure 6 The enlarged view of point B;

[0026] Figure 8 It is an axonometric view of the utility model without the fence installed and close to the channel steel support platform;

[0027] Fig. 9 This utility model Figure 8 Enlarged view of point C;

[0028] Fig.10 This utility model Figure 8 Enlarged view of point D.

[0029] The following are the descriptions of the reference numerals:

[0030] 1. Y-shaped steel frame; 2. Right-angle slot; 3. I-beam connection; 4. Collection tank; 5. Channel steel support platform; 501. First transmission rod; 502. Cross slot; 503. First raised thread; 504. Worm; 6. Fence; 7. Control mechanism; 701. Support frame; 702. Control shaft; 703. Second transmission rod; 704. Rotating handle; 705. First gear; 706. Second gear; 707. Connecting block; 708. Concave Slot; 709, cross block; 710, support rod; 711, telescopic rod; 712, support connection block; 713, lifting sleeve; 8, protective shell; 9, placement mechanism; 901, triangular support plate; 902, placement plate; 10, transmission mechanism; 1001, fixed block; 1002, rotating shaft; 1003, third transmission rod; 1004, second raised thread; 1005, third gear; 1006, fixed disk; 1007, fourth gear. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. 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 implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0032] See also Figure 1-Figure 10 As shown, the utility model provides a liftable elevator shaft frame, comprising: a channel steel support platform 5, a control mechanism 7 is arranged at the rear of the top side of the channel steel support platform 5, and a transmission mechanism 10 is arranged at the front of the top side of the channel steel support platform 5;

[0033] The control mechanism 7 includes a support frame 701 and a control shaft 702. A rotating handle 704 is provided on the top side of the control shaft 702. After the first gear 705 and the second gear 706 are meshed, the rotating handle 704 is rotated to control the control shaft 702, and the control shaft 702 rotates with the second transmission rod 703. The first gear 705 is fixedly provided at the lower part of the shaft body of the control shaft 702. Two second transmission rods 703 are rotatably provided inside the support frame 701. The second transmission rod 703 is fixedly provided with a second gear 706 at the upper part of the shaft body. The first gear 705 and the second gear 706 are meshed and connected.

[0034] The transmission mechanism 10 includes a fixed block 1001 and two third transmission rods 1003. A fixed disk 1006 is fixedly provided on one side of the third transmission rod 1003. A fourth gear 1007 is fixedly provided on one side of the fixed disk 1006. The fixed disk 1006 is rotated by the rotation of the fourth gear 1007, and then the fixed disk 1006 rotates with the third transmission rod 1003 to transmit power.

[0035] Furthermore, a lifting sleeve 713 is sleeved on the lower part of the shaft of the second transmission rod 703. The lifting sleeve 713 is sleeved on the shaft of the second transmission rod 703 and can rotate on the shaft of the second transmission rod 703, but cannot move longitudinally. A cross block 709 is fixedly provided on the bottom side of the second transmission rod 703. A groove 708 is provided on one side of the lifting sleeve 713. A connecting block 707 is fixedly provided inside the groove 708. An axis is provided in the middle, and the telescopic rod 711 is rotatably connected to the axis.

[0036] Furthermore, a support rod 710 is fixedly provided on the rear side of the inner wall of the support frame 701, and a support connecting block 712 is rotatably provided on the front side of the support rod 710. The support rod 710 is supported by the support rod 710, and can be rotated by the telescopic rod 711 while supporting the telescopic rod 711, so that the two second transmission rods 703 cannot be at the same height. Telescopic rods 711 are fixedly provided on both sides of the support connecting block 712, and one end of the telescopic rod 711 is fixedly provided on one side of the support connecting block 712, and the other end is rotatably provided on the inner side of the connecting block 707.

[0037] Furthermore, a rotating shaft 1002 is rotatably provided on both sides of the fixed block 1001, a third gear 1005 is fixedly provided on the side of the rotating shaft 1002 close to the fixed block 1001, a second raised thread 1004 is fixedly provided on the side of the third transmission rod 1003 close to the fixed block 1001, the thread of the second raised thread 1004 is engaged with the third gear 1005, so that the second raised thread 1004 can rotate with the third gear 1005 when rotating, and the third transmission rod 1003 is rotatably provided on one side of the fixed block 1001.

[0038] Furthermore, the channel steel support platform 5 includes a worm 504, the shaft of which is provided with a first raised thread 503, the first raised thread 503 engages with the fourth gear 1007, and can rotate with the fourth gear 1007, and a first transmission rod 501 is fixedly provided on the top side of the worm 504, a cross slot 502 is provided on the top side of the first transmission rod 501, the first transmission rod 501 and the second transmission rod 703 are clamped together through the cross slot 502 and the cross block 709, and the first transmission rod 501 rotates with the second transmission rod 703.

[0039] Furthermore, a placing mechanism 9 is fixedly arranged on the top side of the transmission mechanism 10, and the placing mechanism 9 includes a triangular support plate 901, and a placing plate 902 is fixedly arranged on the top side of the triangular support plate 901. The triangular support plate 901 supports the placing plate 902 and when the rotating shaft 1002 rotates with the triangular support plate 901, the triangular support plate 901 rotates with the placing plate 902 at an angle, and the crushed stones and waste on the top side of the placing plate 902 are poured into the collecting trough 4.

[0040] Furthermore, two Y-shaped steel frames 1 are fixedly arranged at the rear of the bottom side of the channel steel support platform 5, and an I-beam connection 3 is fixedly arranged between the lower parts of the Y-shaped steel frames 1, and the Y-shaped steel frames 1 are fixed by the I-beam connection 3. A right-angle groove 2 is opened at the front of the bottom side of the Y-shaped steel frame 1, and the right-angle groove 2 bites into the beam corner of the elevator shaft, so that the Y-shaped steel frame 1 is more stable.

[0041] Furthermore, a fence 6 is provided on the top side of the channel steel support platform 5, and a collecting trough 4 is fixedly provided on the front side of the channel steel support platform 5. The collecting trough 4 collects gravel and waste to facilitate subsequent processing and avoid sweeping gravel and waste into the elevator shaft. A protective shell 8 is provided on the middle top side of the transmission mechanism 10 to protect the transmission mechanism 10.

[0042] With the above structure, by adjusting the height of the two second transmission rods 703 in the control mechanism 7, and cooperating with the support connection block 712 and the telescopic rod 711, the second gear 706 in the second transmission rod 703 is meshed with the first gear 705, and the cross block 709 is embedded in the cross slot 502 of the channel steel support platform 5. At this time, the control shaft 702 is controlled by rotating the rotating handle 704, and then the control shaft 702 drives the second transmission rod 703 to rotate, and the second transmission rod 703 rotates with the worm 504 at the lower end, and the worm 504 drives the first protruding worm 504 to rotate. The groove 503 drives the fourth gear 1007 in the transmission mechanism 10 to rotate, and the fourth gear 1007 rotates through the fixed plate 1006, the third transmission rod 1003 and the second raised thread 1004. The thread of the second raised thread 1004 engages with the third gear 1005, driving the third gear 1005 and the rotating shaft 1002 to rotate. Finally, the rotating shaft 1002 rotates with the placement mechanism 9, and engages with the right-angle slot 2 and the beam angle of the elevator shaft. Then the channel steel support platform 5 is horizontal to the elevator shaft and is tightly pressed against the elevator shaft, making it convenient for staff to work on the channel steel support platform 5.

[0043] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A hoistable elevator shaft frame, characterized in that: include: A channel steel support platform (5), wherein a control mechanism (7) is disposed at the rear of the top side of the channel steel support platform (5), and a transmission mechanism (10) is disposed at the front of the top side of the channel steel support platform (5); The control mechanism (7) comprises a support frame (701) and a control shaft (702); a rotating handle (704) is arranged on the top side of the control shaft (702); a first gear (705) is fixedly arranged at the lower part of the shaft of the control shaft (702); two second transmission rods (703) are rotatably arranged inside the support frame (701); a second gear (706) is fixedly arranged at the upper part of the shaft of the second transmission rod (703); and the first gear (705) and the second gear (706) are meshingly connected; The transmission mechanism (10) comprises a fixed block (1001) and two third transmission rods (1003), a fixed disk (1006) being fixedly disposed on one side of the third transmission rod (1003), and a fourth gear (1007) being fixedly disposed on one side of the fixed disk (1006).

2. The liftable elevator shaft frame according to claim 1, characterized in that: A lifting sleeve (713) is provided on the lower part of the shaft of the second transmission rod (703), and a cross clamping block (709) is fixedly provided on the bottom side of the second transmission rod (703). A groove (708) is provided on one side of the lifting sleeve (713), and a connecting clamping block (707) is fixedly provided inside the groove (708).

3. A liftable elevator shaft frame according to claim 2, characterized in that: A support rod (710) is fixedly arranged on the rear side of the inner wall of the support frame (701); a support connection block (712) is rotatably arranged on the front side of the support rod (710); telescopic rods (711) are fixedly arranged on both sides of the support connection block (712); one end of the telescopic rod (711) is fixedly arranged on one side of the support connection block (712), and the other end is rotatably arranged on the inner side of the connection block (707).

4. The liftable elevator shaft frame according to claim 1, characterized in that: Rotating shafts (1002) are rotatably provided on both sides of the fixed block (1001); a third gear (1005) is fixedly provided on a side of the shaft of the rotating shaft (1002) close to the fixed block (1001); a second protruding thread (1004) is fixedly provided on a side of the shaft of the third transmission rod (1003) close to the fixed block (1001); and the third transmission rod (1003) is rotatably provided on one side of the fixed block (1001).

5. The liftable elevator shaft frame according to claim 1, characterized in that: The channel steel support platform (5) comprises a worm (504), the shaft of the worm (504) being provided with a first protruding thread (503), and a first transmission rod (501) being fixedly provided on the top side of the worm (504), and a cross slot (502) being provided on the top side of the first transmission rod (501).

6. The liftable elevator shaft frame according to claim 1, characterized in that: A placement mechanism (9) is fixedly arranged on the top side of the transmission mechanism (10), the placement mechanism (9) comprises a triangular support plate (901), and a placement plate (902) is fixedly arranged on the top side of the triangular support plate (901).

7. The liftable elevator shaft frame according to claim 1, characterized in that: Two Y-shaped steel frames (1) are fixedly arranged at the rear of the bottom side of the channel steel support platform (5); an I-shaped steel connection (3) is fixedly arranged between the lower parts of the Y-shaped steel frames (1); and a right-angled slot (2) is opened at the front of the bottom side of the Y-shaped steel frames (1).

8. The liftable elevator shaft frame according to claim 1, characterized in that: A fence (6) is provided on the top side of the channel steel support platform (5), and a collecting trough (4) is fixedly provided on the front side of the channel steel support platform (5), and a protective casing (8) is provided on the middle top side of the transmission mechanism (10).

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