CN113458148A - Retractable counter weight balance emergency exit - Google Patents
Retractable counter weight balance emergency exit Download PDFInfo
- Publication number
- CN113458148A CN113458148A CN202110724887.9A CN202110724887A CN113458148A CN 113458148 A CN113458148 A CN 113458148A CN 202110724887 A CN202110724887 A CN 202110724887A CN 113458148 A CN113458148 A CN 113458148A
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- CN
- China
- Prior art keywords
- door
- door body
- guide rail
- block
- chain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000003921 oil Substances 0.000 claims description 23
- 238000007598 dipping method Methods 0.000 claims description 21
- 230000001050 lubricating effect Effects 0.000 claims description 12
- 238000005461 lubrication Methods 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 6
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 5
- 208000010392 Bone Fractures Diseases 0.000 description 4
- 206010017076 Fracture Diseases 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B33/00—Safety devices not otherwise provided for; Breaker blocks; Devices for freeing jammed rolls for handling cobbles; Overload safety devices
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
- E05D13/10—Counterbalance devices
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
- E05F15/51—Power-operated mechanisms for wings using fluid-pressure actuators for folding wings
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/92—Doors or windows extensible when set in position
- E06B3/925—Doors or windows extensible when set in position with several wings opening vertically towards the same side of the opening and each closing a separate part of the opening
Abstract
The invention provides a telescopic counterweight balance safety door which comprises a foundation, a guide rail frame, a door frame, a top seat, a support, a hoop sheet and an oil pipe support, wherein the front part and the rear part of the upper left side of the foundation are both connected with the guide rail frame through bolts; the upper right side of the foundation base is connected with a door frame through a bolt; the top seat is transversely bolted at the upper end between the guide rail frame and the door frame. The self-locking lifting motor, the driving chain wheel, the wheel carrier, the small chain wheel, the chain body, the first pull ring and the second pull ring are arranged, so that the lifting stability is favorably ensured, the damage caused by chain fracture is avoided, the opening and closing stability is ensured, the chain body can be meshed with the outer wall of the small chain wheel in the wheel carrier to act through the driving of the self-locking lifting motor to drive the driving chain wheel to rotate, the first pull ring and the second pull ring can drive the telescopic opening and closing-free observation door structure and the small space occupation balance block structure to perform balanced movement opening and closing operation, and the opening and closing stability is ensured.
Description
Technical Field
The invention belongs to the technical field of safety doors, and particularly relates to a telescopic counterweight balance safety door.
Background
The space at the top of the rolling mill is limited, and the rolling mill is arranged for ensuring the safety of personnel during working of the rolling mill and ensuring the passing space of a workpiece to the maximum extent.
At present, the popular safety doors are all formed by driving a door body to operate through a torsion spring and a pulley, and the door body occupies a larger space when reaching the top. After the torsion spring and the pulley are used for a long time, the risk of fracture exists. The safety door falls down after the fracture, which easily causes potential safety hazard for operators. The integral motor is hidden in the box, and the maintenance is difficult.
The safety door is widely applied at present.
But current emergency exit still has the protective effect poor to make the motor receive external environment influence easily, opens and close unstable easy fracture that takes place and falls, unable observation equipment behavior and occupation space lead to the poor problem of security greatly.
Therefore, the invention of the retractable counterweight balance safety door is very necessary.
Disclosure of Invention
In order to solve the technical problems, the invention provides a retractable counterweight balance safety door, which is realized by the following technical scheme:
a retractable counterweight balance safety door comprises a foundation base, a guide rail frame, a door frame, a top seat, a support, a hoop sheet, an oil pipe support, a self-locking type opening and closing stable automatic lifting chain structure, a retractable opening and closing-free observation door structure, a counterweight balancing block structure occupied by a small space and an auxiliary lighting oil dipping lubrication protection plate structure, wherein the front part and the rear part of the upper left side of the foundation base are both in bolted connection with the guide rail frame; the upper right side of the foundation base is connected with a door frame through a bolt; the top seat is transversely bolted at the upper end between the guide rail frame and the door frame; the bracket is transversely bolted to the upper part and the lower part of the inner side between the guide rail frame and the door frame; the bracket is connected with the oil pipe bracket through a hoop sheet; the self-locking type automatic lifting chain structure with stable opening and closing is connected with a telescopic observation door structure without opening and closing and a small space occupation counterweight block structure; the auxiliary lighting oil dipping lubricating guard plate structure is connected with the self-locking type automatic lifting chain structure with stable opening and closing; the self-locking type automatic lifting chain structure with stable opening and closing comprises a self-locking lifting motor, a driving chain wheel, a wheel carrier, a small chain wheel, a chain body, a first pull ring and a second pull ring, wherein the front end of an output shaft of the self-locking lifting motor is in keyed connection with the driving chain wheel; a small chain wheel is coupled inside the wheel carrier; one end of the chain body is connected with the inside of the first pull ring through a bolt, and the other end of the chain body is connected with the inside of the second pull ring through a bolt.
Preferably, the chain body is meshed with the outer wall of the upper part of the driving chain wheel and is meshed with the outer wall of the upper part of the small chain wheel.
Preferably, the retractable open-close-free observation door structure comprises a first door body, a second door body, a third door body, an open-close-free observation net, short side protection seats, long side protection seats and blocking seats, wherein the first door body is arranged at the lower part of the right side of the second door body; the second door body is arranged at the lower part of the right side of the third door body; the opening-closing-free observation nets are embedded in the observation ports in the first door body, the second door body and the third door body; the middle parts of the front part and the rear part of the door body II are connected with short side protection seats through bolts; the middle parts of the front part and the rear part of the door body III are all connected with long side protection seats through bolts; and the left lower ends of the first door body and the second door body are both connected with baffle seats through bolts.
Preferably, the second door body and the third door body are arranged on the right side of the door frame, wherein the short side protection seats are movably arranged on the front side and the rear side of the door frame, the long side protection seats are movably arranged on the front side and the rear side of the door frame, the short side protection seats and the long side protection seats are L-shaped stainless steel seats, balls are arranged in the L-shaped stainless steel seats, and rectangular grooves formed in the outer wall of the door frame are arranged in a rolling mode.
Preferably, the pull ring two is connected to the upper end of the door body I through a bolt.
Preferably, the small-space-occupation counterweight balance block structure comprises a guide rail body, a sliding block, a counterweight moving block and a buffer block, wherein the sliding block is sleeved on the outer wall of the guide rail body in a sliding manner; the front end and the rear end of the middle part of the right side of the balance weight moving block are both connected with sliding blocks through bolts; and the lower end of the balance weight moving block is connected with a buffer block through a bolt.
Preferably, the guide rail body is longitudinally bolted on the middle parts of the front surface and the rear surface of the guide rail frame.
Preferably, the auxiliary lighting oil dipping lubrication guard plate structure comprises a guard plate, a lamp holder, an auxiliary lighting lamp tube, a vertical seat and an oil dipping lubrication block, wherein the lamp holder is connected to the left lower side of the guard plate through a screw; the interior of the lamp holder is in threaded connection with an auxiliary lighting lamp tube; the middle part of the lower part of the protection plate is connected with a vertical seat through a bolt; and the right lower side of the protection plate is in screwed connection with an oil dipping lubricating block.
Preferably, the oil dipping lubricating block adopts a sponge block dipped with lubricating oil and is arranged in contact with the chain body.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the arrangement of the self-locking lifting motor, the driving chain wheel, the wheel carrier, the small chain wheel, the chain body, the first pull ring and the second pull ring is favorable for ensuring the lifting stability, avoiding damage caused by chain fracture and ensuring the opening and closing stability, the driving chain wheel is driven to rotate by the self-locking lifting motor, so that the chain body can be meshed with the outer wall of the small chain wheel in the wheel carrier to act, at the moment, the first pull ring and the second pull ring can drive the telescopic opening and closing-free observation door structure and the small space occupied counterweight block structure to perform balanced movement opening and closing operation, and the opening and closing stability is ensured.
2. According to the invention, the door body I, the door body II, the door body III, the opening-closing-free observation net, the short side protection seat, the long side protection seat and the blocking seat are arranged, so that the telescopic opening and closing are facilitated, the operation is convenient, the working condition of equipment can be observed under the condition of not opening, the door body I is pulled to move through the pull ring II, the blocking seat drives the door body II to move upwards until the door body II is aligned with the door body III, the opening action can be completed, the opening-free observation operation can be carried out through the opening-free observation net, the operation stability is ensured, and the door body movement stability can be ensured through the short side protection seat and the long side protection seat.
3. According to the invention, the guide rail body, the sliding block, the balance weight moving block and the buffer block are arranged, so that the moving space can be saved, the balance movement can be performed, the opening and closing stability can be ensured, the guide rail body can move on the outer wall of the balance weight moving block through the sliding block through the movement of the pull ring, the balance movement opening action can be performed, the landing buffer action can be performed through the buffer block, the moving stability can be ensured, and the noise can be avoided.
4. According to the invention, the arrangement of the protection plate, the lamp holder, the auxiliary lighting lamp tube, the vertical seat and the oil dipping lubricating block is favorable for protecting the self-locking lifting motor exposed outside, the self-locking lifting motor is in a semi-closed state and can be conveniently overhauled, the operation is convenient, the protection plate is used for protecting, the auxiliary lighting lamp tube is driven by the lamp holder to be lightened, the auxiliary lighting overhauling operation can be carried out, the chain body can be lubricated by dipping the oil lubricating block, the operation is convenient, the replacement can be carried out, the operation is convenient, the moving stability is ensured, and the noise is avoided.
5. In the invention, the arrangement of the ground base is beneficial to ensuring the stability of the floor mounting.
6. In the invention, the arrangement of the guide rail frame, the door frame and the top seat is beneficial to ensuring the support stability.
7. According to the invention, the arrangement of the bracket is beneficial to increasing the support stability.
8. In the invention, the arrangement of the hoop sheets is beneficial to disassembly and convenient to operate.
9. In the invention, the arrangement of the oil pipe bracket is beneficial to ensuring the support stability.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the self-locking type automatic lifting chain structure with stable opening and closing.
Fig. 3 is a schematic structural view of the retractable open-close-free observation door structure of the invention.
Fig. 4 is a schematic structural view of a small space occupation counterweight balancing mass structure of the present invention.
FIG. 5 is a schematic structural diagram of an auxiliary lighting oil-dipping lubrication guard plate structure according to the present invention.
In the figure:
1. a ground base; 2. a guide rail bracket; 3. a door frame; 4. a top seat; 5. a support; 6. a hoop sheet; 7. an oil pipe support; 8. the self-locking type automatic lifting chain structure with stable opening and closing; 81. a self-locking lifting motor; 82. a drive sprocket; 83. a wheel carrier; 84. a small sprocket; 85. a chain body; 86. a first pull ring; 87. a second pull ring; 9. the retractable observation door structure without opening and closing; 91. a first door body; 92. a second door body; 93. a door body III; 94. the observation net is free from being opened and closed; 95. short side protection seats; 96. a long side protection seat; 97. a blocking seat; 10. the small space occupies a counterweight balancing block structure; 101. a guide rail body; 102. a slider; 103. a balance weight moving block; 104. a buffer block; 11. the auxiliary lighting dips in the lubricated backplate structure of oil; 111. a protection plate; 112. a lamp socket; 113. an auxiliary lighting lamp tube; 114. a vertical seat; 115. dipping the oil to form a lubricating block.
Detailed Description
The invention is described in detail with reference to the accompanying drawings, and as shown in fig. 1 and fig. 2, the retractable counterweight balance safety door comprises a foundation base 1, a guide rail frame 2, a door frame 3, a top seat 4, a support 5, an anchor ear 6 and an oil pipe support 7, wherein the front part and the rear part of the left upper side of the foundation base 1 are both connected with the guide rail frame 2 through bolts; the upper right side of the ground base 1 is connected with a door frame 3 through a bolt; the top seat 4 is transversely bolted at the upper end between the guide rail frame 2 and the door frame 3; the bracket 5 is transversely bolted on the upper part and the lower part of the inner side between the guide rail frame 2 and the door frame 3; the support 5 is connected with the oil pipe support 7 through the hoop sheet 6, so that the opening and closing stability can be ensured, and the operation is convenient.
The retractable counterweight balance safety door further comprises a self-locking opening and closing stable automatic lifting chain structure 8, a retractable opening and closing-free observation door structure 9, a small-space occupied counterweight balance block structure 10 and an auxiliary lighting oil dipping lubrication protection plate structure 11, wherein the self-locking opening and closing stable automatic lifting chain structure 8 is connected with the retractable opening and closing-free observation door structure 9 and the small-space occupied counterweight balance block structure 10; the auxiliary lighting dip in oily lubricated backplate structure 11 and open and close from locking-type and stabilize automatic rising chain structure 8 and be connected, fully solved the emergency exit still have the protective effect poor easily make the motor receive external environment influence, open and close unstable easy breaking that takes place and fall, unable observation device behavior and occupation space lead to the poor problem of security greatly.
The self-locking type automatic lifting chain structure 8 with stable opening and closing comprises a self-locking lifting motor 81, a driving chain wheel 82, a wheel frame 83, a small chain wheel 84, a chain body 85, a first pull ring 86 and a second pull ring 87, wherein the front end of an output shaft of the self-locking lifting motor 81 is in keyed connection with the driving chain wheel 82; a small chain wheel 84 is coupled inside the wheel carrier 83; one end of the chain body 85 is connected with the inside of the first pull ring 86 through a bolt, the other end of the chain body is connected with the inside of the second pull ring 87 through a bolt, the self-locking lifting motor 81 drives the driving chain wheel 82 to rotate, so that the chain body 85 can engage with the outer wall of the small chain wheel 84 inside the wheel frame 83, at the moment, the first pull ring 86 and the second pull ring 87 can drive the telescopic type opening-closing-free observation door structure 9 and the small space occupation balance block structure 10 to perform balanced movement opening and closing operation, and the opening and closing stability is guaranteed.
In this embodiment, as shown in fig. 3, the retractable open-close-free observation door structure 9 includes a first door body 91, a second door body 92, a third door body 93, an open-close-free observation net 94, a short side protection seat 95, a long side protection seat 96 and a baffle seat 97, wherein the first door body 91 is arranged at the lower part of the right side of the second door body 92; the second door body 92 is arranged at the lower part of the right side of the third door body 93; the opening-closing-free observation net 94 is embedded in the observation ports in the first door body 91, the second door body 92 and the third door body 93; short side protection seats 95 are connected to the middle parts of the front part and the rear part of the second door body 92 through bolts; the middle parts of the front part and the rear part of the door body III 93 are both connected with long side protective seats 96 through bolts; equal bolted connection of the left lower extreme of door body one 91 and door body two 92 has a fender seat 97, moves through pull ring two 87 pulling door body one 91 for keep off seat 97 and drive door body two 92 and move up, until with door body three 93 parallel and level, can accomplish the action of opening, can exempt from to open through exempting from to open and close observation net 94 and open and observe the operation, guarantee operating stability, protect seat 95 and long side through short side and can guarantee a body mobility stability.
In this embodiment, as shown in fig. 4, the small-space-occupation counterweight balance block structure 10 includes a guide rail body 101, a slider 102, a counterweight moving block 103, and a buffer block 104, where the slider 102 is slidably sleeved on an outer wall of the guide rail body 101; the front end and the rear end of the middle part of the right side of the balance weight moving block 103 are both connected with sliding blocks 102 through bolts; the lower end of the balance weight moving block 103 is connected with a buffer block 104 through a bolt, and the balance weight moving block moves through the pull ring I86, so that the guide rail body 101 moves on the outer wall of the balance weight moving block 103 through the sliding block 102, balance movement opening movement can be performed, and landing buffering movement can be performed through the buffer block 104, so that movement stability is guaranteed, and noise is avoided.
In this embodiment, as shown in fig. 5, the auxiliary lighting oil-dipping lubrication guard plate structure 11 includes a guard plate 111, a lamp holder 112, an auxiliary lighting lamp tube 113, a vertical seat 114 and an oil-dipping lubrication block 115, wherein the lamp holder 112 is screwed to the left lower side of the guard plate 111; the interior of the lamp holder 112 is connected with an auxiliary lighting lamp tube 113 through threads; the middle part of the lower part of the protection plate 111 is connected with a vertical seat 114 through a bolt; the right lower side screw connection of guard plate 111 have and dip in oily lubricating block 115, protect through guard plate 111, drive auxiliary lighting fluorescent tube 113 through lamp stand 112 and light, can carry out auxiliary lighting and overhaul the operation, can lubricate chain body 85 through dipping in oily lubricating block 115, be convenient for operate to can change, convenient operation guarantees the mobility stability, avoids the noise to produce.
In this embodiment, specifically, the chain body 85 is engaged with the outer wall of the upper portion of the driving sprocket 82 and engaged with the outer wall of the upper portion of the small sprocket 84.
In this embodiment, specifically, the self-locking lifting motor 81 is bolted to the upper left side of the top seat 4.
In this embodiment, specifically, the lateral left end of the wheel frame 83 is bolted to the right end of the top seat 4.
In this embodiment, specifically, the first door body 91 is movably bolted to the upper portion of the right side of the doorframe 3.
In this embodiment, specifically, the open/close-free observation net 94 is a rectangular stainless steel filter net.
In this embodiment, specifically, the second door body 92 and the third door body 93 are both arranged on the right side of the door frame 3, wherein the short side protection seats 95 are both movably arranged on the front side and the rear side of the door frame 3, the long side protection seats 96 are both movably arranged on the front side and the rear side of the door frame 3, wherein the short side protection seats 95 and the long side protection seats 96 are both L-shaped stainless steel seats, balls are arranged in the L-shaped stainless steel seats, and rectangular grooves formed in the outer wall of the door frame 3 are arranged in a rolling manner.
In this embodiment, specifically, the second pull ring 87 is bolted to the upper end of the first door body 91.
In this embodiment, specifically, the guide rail body 101 is longitudinally bolted to the middle of the front and rear surfaces of the guide rail frame 2.
In this embodiment, specifically, the guide rail body 101 is a linear stainless steel slide rail, and the slider 102 is a U-shaped slider.
In this embodiment, specifically, the buffer block 104 is a rubber block.
In this embodiment, specifically, the first pull ring 86 is bolted to the upper end of the balance weight moving block 103.
In this embodiment, the protection plate 111 is a stainless steel plate or a PVC plastic plate.
In this embodiment, the oil-dipping lubricating block 115 is a sponge block dipped with lubricating oil and is disposed in contact with the chain body 85.
In this embodiment, specifically, the lower end of the vertical seat 114 is bolted to the middle of the upper part of the self-locking lifting motor 81.
In this embodiment, specifically, the self-locking lifting motor 81 is a jm-08 type worm and gear reduction motor.
In this embodiment, specifically, the auxiliary lighting tube 113 is a white LED tube.
Principle of operation
In the invention, a self-locking lifting motor 81 drives a driving chain wheel 82 to rotate, so that a chain body 85 can engage with the outer wall of a small chain wheel 84 in a wheel frame 83 to move, at the moment, a pull ring I86 and a pull ring II 87 can drive a retractable open-close-free observation door structure 9 and a small space occupation counterweight block structure 10 to perform balanced movement opening and closing operation, the opening and closing stability is ensured, a pull ring II 87 pulls a door body I91 to move, a baffle seat 97 drives a door body II 92 to move upwards until the door body II is flush with a door body III 93, the opening operation can be completed, the open-close-free observation operation can be performed through an open-close-free observation net 94, the operation stability is ensured, the door body movement stability can be ensured through a short side protective seat 95 and a long side protective seat 96, the guide rail body 101 can move on the outer wall of a balanced counterweight moving block 103 through a slide block 102 through the movement of the pull ring I86, and the balanced movement opening operation can be performed, but also can fall to the ground through buffer block 104 and cushion the action to guarantee mobility stability, avoid producing the noise, protect through guard plate 111, light through lamp stand 112 drive auxiliary lighting fluorescent tube 113, can carry out auxiliary lighting and overhaul the operation, can lubricate chain body 85 through dipping in lubricated piece 115 of oil, be convenient for operate, and can change, convenient operation guarantees mobility stability, avoids the noise to produce.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.
Claims (9)
1. A retractable counterweight balance safety door is characterized by comprising a ground base (1), a guide rail frame (2), a door frame (3), a top seat (4), a support (5), a hoop sheet (6), an oil pipe support (7), a self-locking type automatic lifting chain structure (8) capable of being opened and closed stably, a retractable open-close-free observation door structure (9), a counterweight balance block structure (10) occupied by a small space and an auxiliary lighting oil dipping lubrication guard plate structure (11), wherein the front part and the rear part of the upper left side of the ground base (1) are both in bolted connection with the guide rail frame (2); the upper right side of the ground base (1) is connected with a door frame (3) through a bolt; the top seat (4) is transversely bolted at the upper end between the guide rail frame (2) and the door frame (3); the bracket (5) is transversely bolted at the upper part and the lower part of the inner side between the guide rail bracket (2) and the door frame (3); the support (5) is connected with the oil pipe support (7) through a hoop sheet (6); the self-locking type opening and closing stable automatic lifting chain structure (8) is connected with a telescopic type opening and closing-free observation door structure (9) and a small-space-occupation counterweight balancing block structure (10); the auxiliary lighting oil dipping lubricating guard plate structure (11) is connected with the self-locking type automatic lifting chain structure (8) with stable opening and closing; the self-locking type automatic lifting chain structure (8) with stable opening and closing comprises a self-locking lifting motor (81), a driving chain wheel (82), a wheel frame (83), a small chain wheel (84), a chain body (85), a first pull ring (86) and a second pull ring (87), wherein the front end of an output shaft of the self-locking lifting motor (81) is in key connection with the driving chain wheel (82); a small chain wheel (84) is axially connected inside the wheel carrier (83); one end of the chain body (85) is connected with the inside of the first pull ring (86) through a bolt, and the other end of the chain body is connected with the inside of the second pull ring (87) through a bolt.
2. The retractable weight-balancing safety door according to claim 1, wherein the chain body (85) is engaged with the outer wall of the upper portion of the driving sprocket (82) and engaged with the outer wall of the upper portion of the small sprocket (84).
3. The retractable counterweight balance safety door according to claim 1, characterized in that the retractable open-close-free observation door structure (9) comprises a first door body (91), a second door body (92), a third door body (93), an open-close-free observation net (94), short side protection seats (95), long side protection seats (96) and a stop seat (97), wherein the first door body (91) is arranged at the lower part of the right side of the second door body (92); the second door body (92) is arranged at the lower part of the right side of the third door body (93); an opening-closing-free observation net (94) is embedded in the observation ports in the first door body (91), the second door body (92) and the third door body (93); short side protection seats (95) are connected to the middle parts of the front part and the rear part of the second door body (92) through bolts; the middle parts of the front part and the rear part of the door body III (93) are connected with long side protection seats (96) through bolts; the left lower ends of the first door body (91) and the second door body (92) are connected with a baffle seat (97) through bolts.
4. The retractable counterweight balance safety door according to claim 3, characterized in that the door body two (92) and the door body three (93) are both arranged on the right side of the door frame (3), wherein the short side protection seats (95) are both movably arranged on the front and rear sides of the door frame (3), the long side protection seats (96) are both movably arranged on the front and rear sides of the door frame (3), wherein the short side protection seats (95) and the long side protection seats (96) both adopt L-shaped stainless steel seats, are internally provided with balls, and are arranged in a rolling manner with a rectangular groove formed in the outer wall of the door frame (3).
5. The retractable counterweight balance safety door according to claim 3, wherein the second pull ring (87) is bolted to the upper end of the first door body (91).
6. The retractable counterweight balance safety door according to claim 1, wherein the small space occupation counterweight balance block structure (10) comprises a guide rail body (101), a sliding block (102), a counterweight moving block (103) and a buffer block (104), and the sliding block (102) is slidably sleeved on the outer wall of the guide rail body (101); the front end and the rear end of the middle part of the right side of the balance weight moving block (103) are both connected with sliding blocks (102) through bolts; the lower end of the balance weight moving block (103) is connected with a buffer block (104) through a bolt.
7. The retractable counterweight balance safety door according to claim 6, wherein the guide rail bodies (101) are longitudinally bolted to the middle parts of the front and rear surfaces of the guide rail frame (2).
8. The retractable counterweight balance safety door according to claim 1, wherein the auxiliary lighting oil-dipping lubrication guard plate structure (11) comprises a guard plate (111), a lamp holder (112), an auxiliary lighting lamp tube (113), a vertical seat (114) and an oil-dipping lubrication block (115), and the lamp holder (112) is screwed on the lower left side of the guard plate (111); the interior of the lamp holder (112) is connected with an auxiliary lighting lamp tube (113) through threads; the middle part of the lower part of the protection plate (111) is connected with a vertical seat (114) through a bolt; the right lower side of the protection plate (111) is connected with an oil dipping lubricating block (115) through a screw.
9. The retractable counterweight balance safety door according to claim 8, wherein the oil-dipped lubricating block (115) is a sponge block dipped with lubricating oil and is arranged in contact with the chain body (85).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110724887.9A CN113458148A (en) | 2021-06-29 | 2021-06-29 | Retractable counter weight balance emergency exit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110724887.9A CN113458148A (en) | 2021-06-29 | 2021-06-29 | Retractable counter weight balance emergency exit |
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| Publication Number | Publication Date |
|---|---|
| CN113458148A true CN113458148A (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110724887.9A Pending CN113458148A (en) | 2021-06-29 | 2021-06-29 | Retractable counter weight balance emergency exit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Application publication date: 20211001 |