Positioning and drilling equipment for smoke exhaust fan assembly

Abstract

The invention belongs to the field of smoke exhaust fan machining, and particularly relates to smoke exhaust fan assembly positioning and drilling equipment which comprises a moving frame, a supporting seat is arranged on the inner side of the moving frame, a supporting rod is fixedly arranged on the upper portion of the supporting seat, and a drilling mechanism for drilling the upper portion and the bottom of a fan shell is arranged on the outer side of the supporting rod. The drilling mechanism comprises two first telescopic pieces which are rotationally arranged on the outer side of the supporting rod in an up-down mode, and the two first telescopic pieces are connected through a connecting piece. When drilling operation is carried out on the fan shell, through cooperation of the drilling assembly and the distance fixing assembly, it can be guaranteed that the distances between adjacent holes are consistent, it can be guaranteed that holes in the upper portion and the lower portion of the fan shell are strictly aligned in the vertical direction, the drilling precision is guaranteed, and meanwhile the drilling efficiency is improved by means of the quick disassembling performance of the drilling assembly. In the process of drilling the bottom of the fan shell, the fan shell does not need to be hoisted and turned over, and the drilling efficiency of the fan shell is greatly improved.

Description

Technical Field

[0001] The present invention relates to the field of smoke exhaust fan processing, and specifically to a positioning drilling device for a smoke exhaust fan assembly. Background Art

[0002] In modern building fire protection and ventilation systems, as a key device, the performance and installation quality of a smoke exhaust fan directly affect the smoke exhaust efficiency and the safe evacuation of personnel during a fire. The outer shell of the smoke exhaust fan, as an important structural component, needs to be accurately drilled on both sides for installing connecting pipes.

[0003] Currently, due to the characteristics of large size and heavy weight of the outer shell of large-scale fire protection smoke exhaust fans, a ground support base is conventionally used as the basic load-bearing structure. During operation, the staff needs to place the outer shell stably on the support base, and then hold a drilling machine to carry out manual drilling operations. To avoid damage caused by rigid contact between the outer shell and the support base during the drilling process and reduce vibration transmission, a rubber pad with buffering performance is usually laid between the outer side of the outer shell and the support base to improve the stability of the outer shell during the drilling operation.

[0004] However, there are certain deficiencies in the current manual drilling operation mode. To ensure that the drilled holes on the fan outer shell are on the same concentric circle trajectory, the staff will accurately position the drilling machine by installing positioning parts on the fan outer shell. When drilling the bottom of the fan outer shell after drilling the upper part of the fan outer shell, it is necessary to first remove the positioning parts from the fan outer shell, then use an external lifting device to lift and flip the fan outer shell, and finally continue to install the positioning parts on the fan outer shell to drill the bottom of the fan outer shell, which greatly reduces the drilling efficiency of the fan outer shell; in addition, during the process of drilling the bottom of the fan outer shell, to ensure that the holes drilled in the upper and lower parts of the fan outer shell are aligned vertically, the installation position of the positioning parts needs to be adjusted when reinstalling them on the fan outer shell, which further reduces the drilling efficiency of the fan outer shell. Summary of the Invention

[0005] In view of the above problems, a positioning drilling device for a smoke exhaust fan assembly provided by an embodiment of the present application can drill the upper and bottom parts of the fan outer shell, not only ensuring that the adjacent hole spacings are consistent, but also ensuring that the holes in the upper and lower parts of the fan outer shell are strictly aligned vertically, and at the same time, there is no need to lift and flip the fan outer shell, ensuring the drilling efficiency of the fan outer shell.

[0006] To achieve the above object, the embodiment of the present application provides the following technical solutions: The present invention provides a positioning drilling device for a smoke exhaust fan assembly, including a moving frame, a support base is arranged inside the moving frame, a support rod is fixedly arranged on the upper part of the support base, and a drilling mechanism for drilling the upper and bottom parts of the fan outer shell is arranged on the outer side of the support rod.

[0007] The drilling mechanism includes two vertically arranged first telescopic members rotatably disposed outside the support rod. The two first telescopic members are connected by a connecting member. A second telescopic member is fixedly disposed on the side of the upper first telescopic member away from the support rod. A distance-determining assembly is disposed at the upper end of the side of the second telescopic member close to the fan housing, and a mounting plate is disposed at the lower end of the side of the second telescopic member close to the fan housing. The drilling mechanism further includes a drilling assembly used in cooperation with the distance-determining assembly.

[0008] An adjusting assembly for adjusting the placement position of the support seat inside the fan housing is disposed on the moving frame, and a positioning assembly for positioning the support seat on the inner side of the fan housing is disposed at the bottom of the support seat.

[0009] The vertically arranged first telescopic members cooperate with the adjustable-angle connecting member, and cooperate with the positioning assembly to align the upper and lower hole positions of the fan housing; at the same time, the drilling assembly and the distance-determining assembly are linked to keep the hole pitch consistent and vertically aligned.

[0010] According to an advantageous embodiment, the adjusting assembly includes an electric push rod fixedly disposed on the upper part of the moving frame. The output end of the electric push rod is fixedly provided with a connecting disk, and the bottom of the connecting disk is connected to the top end of the support rod.

[0011] According to an advantageous embodiment, the positioning assembly includes a worm gear rotatably disposed at the bottom of the support seat. Three guiding openings are formed in the worm gear and are distributed in a circumferential array. A disk is fixedly disposed at the bottom of the support seat and below the worm gear. Three guiding grooves are formed in the upper part of the disk and are distributed in a circumferential array. A moving plate is slidably disposed in the guiding groove. One end of the moving plate passing through the guiding groove is fixedly provided with an arc-shaped positioning plate. A connecting shaft is fixedly disposed on the upper part of the moving plate, and the top end of the connecting shaft passes through the guiding opening.

[0012] According to an advantageous embodiment, the positioning assembly further includes two mounting blocks fixedly disposed at the bottom of the support seat. A worm meshing with the worm gear is rotatably disposed between the two mounting blocks. A hand wheel is rotatably disposed on the side of one of the mounting blocks away from the worm, and one end of the hand wheel is connected to one end of the worm.

[0013] According to an advantageous embodiment, the first telescopic member includes a first horizontal plate rotatably disposed outside the support rod. A second horizontal plate is slidably disposed on the outer side of the first horizontal plate away from the support rod. A plurality of positioning openings are formed in the second horizontal plate, and a positioning pin cooperating with the positioning opening is disposed on the first horizontal plate, and the bottom end of the positioning pin penetrates through the corresponding positioning opening.

[0014] According to an advantageous embodiment, the second telescopic member includes a first vertical plate fixedly disposed on the side of the upper second horizontal plate away from the first horizontal plate. A second vertical plate is slidably disposed at the bottom of the first vertical plate. The side of the second vertical plate close to the fan housing is connected to the mounting plate, and the first vertical plate and the second vertical plate are locked by a first bolt.

[0015] According to a preferred embodiment, the drilling assembly includes an insertion block. Three T-shaped rods are fixedly arranged on the upper part of the insertion block in a circumferential array. An installation ring is slidably arranged on the three T-shaped rods. A drilling machine is fixedly arranged inside the installation ring. A circular opening for the drill bit on the drilling machine to pass through is formed at the bottom of the installation ring. A first return spring is sleeved on the outer side of the T-shaped rod, and two ends of the first return spring are respectively connected to the upper part of the insertion block and the bottom of the installation ring.

[0016] According to a preferred embodiment, installation grooves for cooperating with the insertion block are formed on one side of the upper cross plate two away from the upper cross plate one and one side of the installation plate away from the vertical plate two, and bolts two are bolted at the installation grooves on the lower cross plate two and the installation plate.

[0017] According to a preferred embodiment, a sliding groove is formed on the vertical plate one. The distance-determining assembly includes a guide plate fixedly arranged in the sliding groove. A slider is slidably arranged on the guide plate, and the slider and the guide plate are locked by a bolt three. A connecting plate is fixedly arranged on one side of the slider close to the fan housing. A positioning rod slidably penetrates through the upper part of the connecting plate. A positioning ball is fixedly arranged on the upper part of the positioning rod. A second return spring is sleeved on the outer side of the positioning rod, and the bottom end of the second return spring is connected to the upper part of the connecting plate.

[0018] According to a preferred embodiment, the connecting piece includes an arc-shaped ring fixedly arranged on the upper part of the lower cross plate one, and the center of the arc-shaped ring and the center of the support seat are on the same axis. An arc-shaped opening for cooperating with the arc-shaped ring is formed at the bottom of the upper cross plate one, and the upper part of the arc-shaped ring is located in the arc-shaped opening. The upper cross plate one and the arc-shaped ring are locked by a bolt four. An annular opening is formed on the upper part of the support seat, and angle scale lines are arranged on the outer side of the upper part of the support seat at the annular opening. Two arc-shaped blocks corresponding to the cross plate one are slidably arranged in the annular opening, and a connecting block is fixedly arranged on the upper part of the arc-shaped block. The upper part of the connecting block is connected to the bottom of the corresponding cross plate one.

[0019] Compared with the prior art, a smoke exhaust fan assembly positioning and drilling device provided by an embodiment of the present invention has the following beneficial effects: When drilling the fan housing in the present invention, by using the cooperation of the drilling assembly and the distance-determining assembly, not only can the adjacent hole pitch be ensured to be consistent, but also the holes in the upper and lower parts of the fan housing can be strictly aligned vertically, ensuring the drilling accuracy. At the same time, by using the quick-disassembly property of the drilling assembly, during the drilling process of the bottom of the fan housing, it is not necessary to hoist and turn over the fan housing, greatly improving the drilling efficiency of the fan housing.

[0020] In the present invention, a first telescopic member, a second telescopic member, a connecting member, a drilling assembly, and a distance - fixing assembly are provided. By using the connecting member, the use angle between the positioning ball and the drilling machine can be reasonably adjusted according to the distribution of the drilled holes, so that the hole spacing between two adjacent holes can be ensured to be consistent during the drilling process, and the drilling accuracy of the fan housing is guaranteed.

[0021] In the present invention, a mounting plate and a mounting groove are provided. By the cooperation of the insertion block and the mounting groove, the rapid switching of the use position of the drilling machine can be realized, which is convenient for the staff to drill the upper and lower parts of the fan housing. Not only does it not require hoisting and flipping the fan housing, but also it does not require further calibration of the position of the drilling machine after changing the position, greatly improving the drilling efficiency of the fan housing. Description of the Drawings

[0022] Figure 1 is a three - dimensional structure diagram of the present invention.

[0023] Figure 2 is a partial structure diagram of the present invention.

[0024] Figure 3 is Figure 2 an enlarged view of the structure of part A in

[0025] Figure 4 is a partial structure diagram of the positioning assembly in the present invention.

[0026] Figure 5 is a connection structure diagram of the worm and the worm gear in the present invention.

[0027] Figure 6 is a connection structure diagram of the second telescopic member and the distance - fixing assembly in the present invention.

[0028] Figure 7 is Figure 6 an enlarged view of the structure of part B in

[0029] Figure 8 is a separation structure diagram of the drilling assembly and the second cross - plate in the present invention.

[0030] Figure 9 is a state diagram when drilling the upper part of the fan housing in the present invention.

[0031] Figure 10 is a state diagram when drilling the bottom of the fan housing in the present invention.

[0032] Reference numerals in the drawings: 1, moving frame; 2, support base; 3, support rod; 4, drilling mechanism; 41, first telescopic member; 411, first cross plate; 412, second cross plate; 42, connecting member; 421, arc ring; 43, drilling assembly; 431, insertion block; 432, T-shaped rod; 433, mounting ring; 434, drilling machine; 435, first return spring; 44, second telescopic member; 441, first vertical plate; 442, second vertical plate; 45, distance-determining assembly; 451, guide plate; 452, slider; 453, connecting plate; 454, positioning rod; 455, positioning ball; 456, second return spring; 5, mounting plate; 6, adjusting assembly; 61, electric push rod; 62, connecting disc; 7, positioning assembly; 71, worm gear; 72, guide port; 73, disc; 74, moving plate; 75, arc-shaped positioning plate; 76, connecting shaft; 77, mounting block; 78, worm; 8, positioning port; 9, positioning pin; 10, mounting groove; 11, annular port; 12, arc-shaped block; 13, connecting block. Detailed implementation manners

[0033] The following Figure 1 - Figure 10 further elaborates on this application.

[0034] Please refer to Figure 1 and Figure 2 , a positioning and drilling device for a smoke exhaust fan assembly, including a moving frame 1. A support base 2 is arranged inside the moving frame 1. A support rod 3 is fixedly arranged on the upper part of the support base 2. A drilling mechanism 4 for drilling the upper and lower parts of the fan housing is arranged outside the support rod 3.

[0035] Refer to Figure 1 , Figure 2 and Figure 9 . An adjusting assembly 6 for adjusting the placement position of the support base 2 inside the fan housing is arranged on the moving frame 1. The adjusting assembly 6 includes an electric push rod 61 fixedly arranged on the upper part of the moving frame 1. The output end of the electric push rod 61 is fixedly provided with a connecting disc 62, and the bottom of the connecting disc 62 is connected to the top end of the support rod 3.

[0036] Refer to Figure 1 and Figure 4 . A positioning assembly 7 for positioning the support base 2 inside the fan housing is arranged at the bottom of the support base 2. The positioning assembly 7 includes a worm gear 71 rotatably arranged at the bottom of the support base 2. Three guide ports 72 distributed in a circumferential array are formed on the worm gear 71. A disc 73 is fixedly arranged at the bottom of the support base 2 and below the worm gear 71. Three guide grooves distributed in a circumferential array are formed on the upper part of the disc 73. A moving plate 74 is slidably arranged in the guide groove. One end of the moving plate 74 passing through the guide groove is fixedly provided with an arc-shaped positioning plate 75. A connecting shaft 76 is fixedly arranged on the upper part of the moving plate 74, and the top end of the connecting shaft 76 passes through the guide port 72.

[0037] Refer to Figure 5 , the positioning assembly 7 further includes two mounting blocks 77 fixedly arranged at the bottom of the support base 2. A worm 78 meshing with the worm gear 71 is rotatably arranged between the two mounting blocks 77. A handwheel is rotatably arranged on one side of one mounting block 77 away from the worm 78, and one end of the handwheel is connected to one end of the worm 78.

[0038] When drilling holes in the upper and lower ends of the fan housing, the staff pushes the moving frame 1, and uses the universal wheels at the bottom of the moving frame 1 to move the moving frame 1 to the fan housing where drilling operations need to be carried out. Then the electric push rod 61 works to drive the support base 2 to move downward into the fan housing through the connecting plate 62. When the drilling mechanism 4 reaches the appropriate position, the electric push rod 61 stops working. Then the staff can rotate the handwheel to drive the worm 78 to rotate. The rotation of the worm 78 drives the worm gear 71 to rotate. The rotation of the worm gear 71 can drive the three moving plates 74 to move outward synchronously by the cooperation of the guiding port 72 and the connecting shaft 76. When the side of the arc-shaped positioning plate 75 away from the moving plate 74 abuts against the inner wall of the fan housing, stop rotating the handwheel. At this time, the center of the support base 2 and the center of the fan housing are on the same axis, realizing accurate center positioning. Then lock the universal wheels at the bottom of the moving frame 1, and the preliminary positioning of the drilling mechanism 4 is completed to facilitate the stable progress of subsequent drilling operations (as Figure 9 shown).

[0039] Refer to Figure 1 and Figure 2 , the drilling mechanism 4 includes two telescopic members 41 arranged up and down and rotatably arranged on the outer side of the support rod 3. The telescopic member 41 includes a cross plate 411 rotatably arranged on the outer side of the support rod 3. A cross plate 412 is slidably arranged on the outer side of the cross plate 411 away from the support rod 3. A plurality of positioning ports 8 are opened on the cross plate 412. A positioning pin 9 cooperating with the positioning ports 8 is arranged on the cross plate 411, and the bottom end of the positioning pin 9 penetrates through the corresponding positioning port 8.

[0040] Refer to Figure 1 , Figure 2 and Figure 3, the two telescopic members 41 are connected by a connecting member 42. The connecting member 42 includes an arc-shaped ring 421 fixedly arranged on the upper part of the lower horizontal plate 411, and the center of the arc-shaped ring 421 is on the same axis as the center of the support base 2. An arc-shaped opening that cooperates with the arc-shaped ring 421 is provided at the bottom of the upper horizontal plate 411, and the upper part of the arc-shaped ring 421 is located within the arc-shaped opening. The upper horizontal plate 411 and the arc-shaped ring 421 are locked by bolt four. An annular opening 11 is provided in the upper part of the support base 2, and angle scale lines are arranged on the outer side of the upper part of the support base 2 where the annular opening 11 is located. Two arc-shaped blocks 12 corresponding to the horizontal plate 411 are slidably arranged within the annular opening 11, and a connecting block 13 is fixedly arranged on the upper part of the arc-shaped block 12. The upper part of the connecting block 13 is connected to the bottom of the corresponding horizontal plate 411.

[0041] Refer to Figure 1 and Figure 6 , on the side of the upper telescopic member 41 away from the support rod 3, a telescopic member 44 is fixedly arranged. On the lower end of the side of the telescopic member 44 close to the fan housing, a mounting plate 5 is provided. The telescopic member 44 includes a vertical plate 441 fixedly arranged on the side of the upper horizontal plate 412 away from the horizontal plate 411. A vertical plate 442 is slidably arranged at the bottom of the vertical plate 441. The side of the vertical plate 442 close to the fan housing is connected to the mounting plate 5. The vertical plate 441 and the vertical plate 442 are locked by bolt one.

[0042] When drilling the fan housing after the arc-shaped positioning plate 75 abuts against the inside of the fan housing, in order to ensure that the hole spacing between all holes is the same, the staff can calculate in advance the hole spacing between adjacent two holes according to the number of holes to be drilled, so as to calculate the included angle size between adjacent two holes and the center of the fan housing. Then the staff can push the upper horizontal plate 411 to drive the horizontal plate 412 and the vertical plate 441 to rotate around the center of the support base 2. At the same time, the upper horizontal plate 412 drives the arc-shaped block 12 to slide within the annular opening 11 of the support base 2 through the connecting block 13. During this process, referring to the angle scale lines on the outer side of the annular opening 11 in the upper part of the support base 2, precisely adjust the rotation angle of the upper horizontal plate 412 to make the upper horizontal plate 412 and the lower horizontal plate 412 form a corresponding included angle.

[0043] Refer to Figure 1 , Figure 6 and Figure 7, on the upper end of one side of the telescopic member two 44 close to the fan housing, a distance - determining assembly 45 is provided. A chute is formed on the first vertical plate 441. The distance - determining assembly 45 includes a guide plate 451 fixedly arranged in the chute. A slider 452 is slidably arranged on the guide plate 451, and the slider 452 and the guide plate 451 are locked by bolt three. A connecting plate 453 is fixedly arranged on the side of the slider 452 close to the fan housing. A positioning rod 454 is slidably penetrated through the upper part of the connecting plate 453. A positioning ball 455 is fixedly arranged on the upper part of the positioning rod 454. A second return spring 456 is sleeved on the outer side of the positioning rod 454, and the bottom end of the second return spring 456 is connected to the upper part of the connecting plate 453.

[0044] Refer to Figure 2 and Figure 8 , the drilling mechanism 4 further includes a drilling component 43 used in cooperation with the distance - determining assembly 45. The drilling component 43 includes an inserting block 431. Three T - shaped rods 432 distributed in a circumferential array are fixedly arranged on the upper part of the inserting block 431. An installation ring 433 is slidably arranged on the three T - shaped rods 432 together. A drilling machine 434 is fixedly arranged on the inner side of the installation ring 433. A round opening for the drill bit on the drilling machine 434 to penetrate through is formed at the bottom of the installation ring 433. A first return spring 435 is sleeved on the outer side of the T - shaped rod 432, and the two ends of the first return spring 435 are respectively connected to the upper part of the inserting block 431 and the bottom of the installation ring 433.

[0045] Refer to Figure 6 and Figure 8 , installation grooves 10 used in cooperation with the inserting block 431 are formed on one side of the upper - side second cross - plate 412 far from the upper - side first cross - plate 411 and on one side of the installation plate 5 far from the second vertical plate 442. Bolts two are bolt - installed on the lower - side second cross - plate 412 and the installation plate 5 at the positions of the installation grooves 10.

[0046] After the use angle between the upper - side second cross - plate 412 and the lower - side second cross - plate 412 is adjusted, when it is necessary to drill holes in the upper part of the fan housing, the staff can insert the inserting block 431 into the installation groove 10 on the corresponding cross - plate 412, and lock the inserting block 431 with bolt two, so that the drilling machine 434 can be installed on the lower - side second cross - plate 412. Then, by using the cooperation of the corresponding positioning pin 9 and positioning opening 8, the use position of the drilling machine 434 can be adjusted. Then, the staff pushes the first vertical plate 441 to move along the length direction of the cross - plate 412, driving the upper - side second cross - plate 412 to move. When the positioning ball 455 moves to the center track with the same diameter as the drill bit on the drilling machine 434, the upper - side second cross - plate 412 is locked by using the cooperation of the corresponding positioning pin 9 and positioning opening 8. At the same time, the use height of the positioning ball 455 is adjusted by bolt three, and the outer side of the positioning ball 455 is abutted against the horizontal section at the lower end of the upper side of the fan housing by using the second return spring 456, then the adjustment of the use positions of the drilling machine 434 and the positioning ball 455 is completed (as Figure 9as shown).

[0047] Then, when drilling, the worker directly presses down the drilling machine 434. The drilling machine 434 drives the mounting ring 433 to move downward along the T-shaped rod 432. At this time, the bottom of the mounting ring 433 squeezes the first reset spring 435. As the drilling machine 434 moves downward, the drill bit passes through the round hole at the bottom of the mounting ring 433 and contacts the outer side of the fan housing. Start the drilling machine 434 to start the drilling operation. After drilling one hole, the worker releases the pressing on the drilling machine 434. Under the elastic force of the first reset spring 435, the mounting ring 433 is pushed upward, driving the drilling machine 434 to rise and reset synchronously. Then, push the drilling machine 434 to rotate, and the positioning ball 455 rotates synchronously. When the positioning ball 455 is inserted into the just-drilled hole, stop pushing the drilling machine 434. At this time, the drilling machine 434 is in the accurate position for the next drilling. Start the drilling machine 434 again to perform the drilling operation for the second hole. Repeat the above steps of rotating and positioning and drilling. Through the cooperation of the positioning ball 455 and the drilled holes, the hole pitch between adjacent holes is ensured to be consistent, thus improving the drilling accuracy of the fan housing.

[0048] When the drilling of the upper part of the fan housing is completed, the worker can rotate the bolt two on the second cross plate 412 to cancel the limit on the insert block 431, and then remove the drilling machine 434 from the second cross plate 412. Directly insert the insert block 431 into the installation groove 10 on the mounting plate 5 of the second vertical plate 442. Then continue to limit and lock the insert block 431 through the bolt two. Then, the position of the second vertical plate 442 can be adjusted by using the bolt one so that the drilling machine 434 is at the position where drilling is required at the bottom of the fan housing (as Figure 10 shown). Then start the drilling machine 434 to perform the drilling operation on the bottom of the fan housing in the same operation mode as the upper drilling. At this time, through the cooperation of the positioning ball 455, not only can the hole pitch between the holes drilled at the bottom of the fan housing be ensured to be consistent, but also the holes drilled at the upper and bottom parts of the fan housing can be ensured to be aligned in the vertical direction, further ensuring the drilling accuracy of the fan housing. When drilling the bottom of the fan housing, there is no need to use an external lifting device to lift and flip the fan housing, thus greatly improving the drilling efficiency of the fan housing.

[0049] During specific operation, the operator pushes the moving frame 1 to make it close to the blower housing that needs to be drilled. Then, the adjustment assembly 6 and the positioning assembly 7 can be used to preliminarily adjust the usage position of the drilling mechanism 4. Next, the connecting piece 42 can be used to adjust the included angle between the upper cross plate two 412 and the lower cross plate two 412. Then, the insertion block 431 can be inserted into the cross plate two 412 to drill the upper part of the blower housing. At this time, through the cooperation of the positioning pin 9 and the positioning port 8, the drill bit on the drilling machine 434 and the positioning ball 455 can be adjusted to be on the same diameter center track. Finally, the height of the positioning ball 455 is adjusted by the third bolt so that the outer side of the positioning ball 455 abuts against the horizontal section at the lower end of the upper side of the blower housing, thus completing the adjustment of the usage positions of the drilling machine 434 and the positioning ball 455.

[0050] Then, by using the cooperation of the drilling assembly 43 and the distance - setting assembly 45, the upper part of the blower housing can be drilled, and the hole pitch between adjacent holes can be ensured to be consistent, thereby improving the drilling accuracy of the blower housing.

[0051] After drilling the upper part of the blower housing, the insertion block 431 can be removed from the cross plate two 412 and installed on the mounting plate 5. After adjusting the position of the drilling machine 434 with the first bolt, the bottom of the blower housing can be drilled in the same steps. During this working process, through the cooperation of the distance - setting assembly 45, not only can the hole pitch between the holes drilled at the bottom of the blower housing be ensured to be consistent, but also the holes drilled at the upper and bottom parts of the blower housing can be ensured to be aligned vertically, further guaranteeing the drilling accuracy of the blower housing. And without using an external hoisting device to hoist and flip the blower housing, the drilling efficiency of the blower housing is greatly improved.

[0052] The above are only the embodiments of the present invention, and thus do not limit the patent scope of the present invention. Any equivalent structural or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A positioning and drilling device for a smoke exhaust fan assembly, comprising a moving frame, characterized in that: A support base is arranged inside the moving frame. A support rod is fixedly arranged on the upper part of the support base. A drilling mechanism for drilling the upper and lower parts of the fan housing is arranged on the outer side of the support rod. The drilling mechanism includes two telescopic members I arranged up and down and rotatably arranged on the outer side of the support rod. The two telescopic members I are connected by a connecting member. A telescopic member II is fixedly arranged on the side of the upper telescopic member I away from the support rod. A distance-determining component is arranged at the upper end of the side of the telescopic member II close to the fan housing. An installation plate is arranged at the lower end of the side of the telescopic member II close to the fan housing. The drilling mechanism further includes a drilling component used in cooperation with the distance-determining component. An adjusting component for adjusting the placement position of the support base inside the fan housing is arranged on the moving frame. A positioning component for positioning the support base on the inner side of the fan housing is arranged at the bottom of the support base. The telescopic members I arranged up and down cooperate with the connecting member with adjustable angle, and cooperate with the positioning component to complete the alignment of the upper and lower hole positions of the fan housing. At the same time, the drilling component and the distance-determining component are linked to keep the hole distance consistent and vertically aligned.

2. The positioning and drilling device for a smoke exhaust fan assembly according to claim 1, characterized in that, The adjusting component includes an electric push rod fixedly arranged on the upper part of the moving frame. The output end of the electric push rod is fixedly provided with a connecting disk. The bottom of the connecting disk is connected to the top end of the support rod.

3. The positioning and drilling device for a smoke exhaust fan assembly according to claim 1, characterized in that, The positioning component includes a worm gear rotatably arranged at the bottom of the support base. Three guiding ports are arranged on the worm gear in a circumferential array. A disk is fixedly arranged at the bottom of the support base and below the worm gear. Three guiding grooves are arranged on the upper part of the disk in a circumferential array. A moving plate is slidably arranged in the guiding groove. One end of the moving plate passing through the guiding groove is fixedly provided with an arc-shaped positioning plate. A connecting shaft is fixedly arranged on the upper part of the moving plate. The top end of the connecting shaft passes through the guiding port.

4. The positioning and drilling device for a smoke exhaust fan assembly according to claim 3, characterized in that, The positioning component further includes two mounting blocks fixedly arranged at the bottom of the support base. A worm meshing with the worm gear is rotatably arranged between the two mounting blocks. A hand wheel is rotatably arranged on the side of one mounting block away from the worm. One end of the hand wheel is connected to one end of the worm.

5. The positioning and drilling device for a smoke exhaust fan assembly according to claim 1, characterized in that, The telescopic member I includes a cross plate I rotatably arranged on the outer side of the support rod. A cross plate II is slidably arranged on the outer side of the cross plate I away from the support rod. A plurality of positioning ports are arranged on the cross plate II. A positioning pin used in cooperation with the positioning port is arranged on the cross plate I, and the bottom end of the positioning pin penetrates through the corresponding positioning port.

6. The positioning and drilling device for a smoke exhaust fan assembly according to claim 1, characterized in that, The telescopic member II includes a vertical plate I fixedly arranged on the side of the upper cross plate II away from the cross plate I. A vertical plate II is slidably arranged at the bottom of the vertical plate I. The side of the vertical plate II close to the fan housing is connected to the installation plate. The vertical plate I and the vertical plate II are locked by a bolt I.

7. The positioning and drilling device for a smoke exhaust fan assembly according to claim 5, characterized in that, The drilling component includes an insertion block. Three T-shaped rods arranged in a circumferential array are fixedly arranged on the upper part of the insertion block. An installation ring is slidably arranged on the three T-shaped rods together. A drilling machine is fixedly arranged on the inner side of the installation ring. A round opening for the drill bit on the drilling machine to pass through is arranged at the bottom of the installation ring. A first return spring is sleeved on the outer side of the T-shaped rod, and the two ends of the first return spring are respectively connected to the upper part of the insertion block and the bottom of the installation ring.

8. The positioning and drilling device for a smoke exhaust fan assembly according to claim 7, characterized in that, Installation grooves used in cooperation with the insertion block are arranged on the side of the upper cross plate II away from the upper cross plate I and on the side of the installation plate away from the vertical plate II. Bolts II are arranged by bolts at the positions of the lower cross plate II and the installation plate at the installation grooves.

9. The positioning and drilling device for a smoke exhaust fan assembly according to claim 6, characterized in that, A chute is formed in the first vertical plate. The fixed-distance component includes a guide plate fixedly arranged in the chute. A slider is slidably arranged on the guide plate, and the slider and the guide plate are locked tightly by bolt three. A connecting plate is fixedly arranged on one side of the slider close to the fan housing. A positioning rod is slidably inserted through the upper part of the connecting plate. A positioning ball is fixedly arranged on the upper part of the positioning rod. A second return spring is sleeved on the outer side of the positioning rod, and the bottom end of the second return spring is connected to the upper part of the connecting plate.

10. The positioning and drilling device for a smoke exhaust fan assembly according to claim 5, characterized in that, The connecting piece includes an arc-shaped ring fixedly arranged on the upper part of the first lower horizontal plate, and the center of the arc-shaped ring and the center of the support seat are on the same axis. An arc-shaped opening for cooperating with the arc-shaped ring is formed in the bottom of the first upper horizontal plate, and the upper part of the arc-shaped ring is located in the arc-shaped opening. The first upper horizontal plate and the arc-shaped ring are locked tightly by bolt four. An annular opening is formed in the upper part of the support seat, and angle scale lines are arranged on the outer side of the upper part of the support seat located in the annular opening. Two arc-shaped blocks corresponding to the first horizontal plate are slidably arranged in the annular opening, and a connecting block is fixedly arranged on the upper part of the arc-shaped block. The upper part of the connecting block is connected to the bottom of the corresponding first horizontal plate.

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