CN110863698B - Special forbidden guardrail for radiotherapy and use method - Google Patents
Special forbidden guardrail for radiotherapy and use method Download PDFInfo
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- CN110863698B CN110863698B CN201911231615.4A CN201911231615A CN110863698B CN 110863698 B CN110863698 B CN 110863698B CN 201911231615 A CN201911231615 A CN 201911231615A CN 110863698 B CN110863698 B CN 110863698B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
- E04H17/22—Anchoring means therefor, e.g. specially-shaped parts entering the ground; Struts or the like
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Abstract
The utility model provides a special guardrail that forbids of radiotherapy, belongs to medical instrument technical field, including V-arrangement base, pillar, X shape connecting rod, still is equipped with location portion, a special use method of forbidding guardrail of radiotherapy, including collection mode, simple guardrail mode, area door guardrail mode, location guardrail mode. The guardrail unit is stable in structure, not easy to topple over, labor-saving in pulling, capable of being freely placed in various shapes, capable of enabling the guardrail unit to be close to when not in use and sleeving adjacent V-shaped bases together, and greatly saving space; the structure capable of forming a door is also arranged, so that convenience is provided for the entrance and exit of specific personnel while non-specific personnel are intercepted; and a guardrail positioning mode is provided, so that after the guardrail unit is placed well, the guardrail unit can be positioned through the honeycomb sucker, and the displacement of the guardrail caused by mistaken collision of personnel is avoided to a great extent.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a special forbidden guardrail for radiotherapy and a using method thereof.
Background
Radiotherapy in oncology requires the use of dedicated radiation devices, which emit a large amount of radiation, which however is harmful to a healthy person, so that the safety requirements of the radiation during radiotherapy of tumors are rather high, and particularly during operation of the radiation devices, non-relevant persons should be prohibited from entering the affected area.
Most hospitals in China only stick identification warnings, and do not have substantial protection equipment. Special banned railings are specially arranged in the existing hospitals, and the railings can be folded and unfolded to facilitate the entrance and exit of related people. However, most of the railings are provided with a guide groove on the floor, and the railings move in a wheel rolling mode. The problem with such barriers is that: the construction volume is big, and economic cost is high, and the guardrail can only remove in the guide slot, and it is big to occupy space, can't the free use.
The invention patent No. 201610302222.8 discloses a guardrail formed by connecting a node rod and a railing panel in a rotating way, which is flexible to operate and can be enclosed into various required shapes, but still has certain defects:
1. if the guardrail is not provided with the balancing weight at the bottom, the guardrail is easy to topple over, and if the balancing weight at the bottom is arranged, the guardrail is relatively laboursome to fold and unfold;
2. although the guardrail can be enclosed into various shapes, the operation is troublesome, and the folding or unfolding efficiency is not high;
3. the guardrail is only designed with the guardrail playing a separating role, and the passage for medical staff and staff needing to enter and exit specifically is not designed, so that the problem of inconvenient entering and exiting exists during use;
4. because this guardrail is very light, when using, very easily bump the displacement by mistake, there is the risk that the guardrail became invalid.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention discloses a special forbidden guardrail for radiotherapy, which is convenient to move, can be quickly folded and unfolded, has an access passage, occupies a small space and can be positioned, and a use method thereof.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a special forbidden guardrail for radiotherapy comprises guardrail units and a connecting part, wherein the guardrail units are composed of a moving part and a supporting part, the moving part is a V-shaped base which is V-shaped when overlooking, a fixing plate is fixedly connected at the V-shaped corner of the V-shaped base, universal wheels are respectively arranged on the lower surface of the fixing plate and the lower surfaces of two wings of the V-shaped base, which are far away from one side of the fixing plate, the supporting part is a pillar which is vertically and fixedly arranged on the fixing plate, the upper part and the lower part of the pillar are respectively provided with a first limiting ring and a second limiting ring, a first sliding sleeve and a second sliding sleeve which are in sliding connection with the pillar are arranged between the first limiting ring and the second limiting ring from top to bottom, the connecting part is an X-shaped connecting rod which is connected between adjacent guardrail units, the X-shaped connecting rod is formed by the crossed arrangement of 2 connecting rods and the hinging shafts in the, the end parts of 2 connecting rods at the two ends of the X-shaped connecting rod are respectively connected with the first sliding sleeve and the second sliding sleeve of the guardrail unit at the same side through universal joints.
Preferably, the end parts of 2 connecting rods on the left side of the X-shaped connecting rod are connected with the surfaces of the right side walls of the first sliding sleeve and the second sliding sleeve of the guardrail unit, and the end parts of 2 connecting rods on the right side of the X-shaped connecting rod are connected with the surfaces of the left side walls of the first sliding sleeve and the second sliding sleeve of the other adjacent guardrail unit.
Preferably, the first limit ring and the second limit ring are respectively connected with the support column in a rotating manner, the support column of the first guardrail unit and the last guardrail unit of the special forbidden guardrail for radiotherapy is further provided with a pull frame, the pull frame is composed of a rectangular curved bar, and two ends of the curved bar are respectively fixedly connected with the surface of the side wall of the first limit ring and the surface of the side wall of the second limit ring.
Preferably, the inner side of the pull frame is also provided with a clamping groove for clamping the warning board.
Preferably, the fixed plate on still be equipped with location portion, location portion include pierce through-hole and the honeycomb sucking disc of the vertical direction of terminal surface about the fixed plate, the honeycomb sucking disc include surface and through-hole spiro union montant 23, round platform shape base and a plurality of evenly distributed in the sucking disc of base lower surface, the montant be the tubular structure of upper end opening, lower extreme back cover, the lower extreme of montant penetrate the base along the top of base in, and with base fixed connection, the montant be located and be equipped with a plurality of gas pockets on the pole wall in the base, the base in be equipped with a plurality of tubular passageways, the one end and the gas pocket of tubular passageway be connected, the other end pierce through the top of sucking disc and communicate in with the sucking disc, the bottom of montant on the surface still be equipped with compression spring, compression spring's bottom and the bottom of montant on surface fixed connection, still be equipped with piston mechanism in compression spring's top and be located the montant, piston mechanism including the piston of terminal surface fixedly connected with backing plate about, the connecting rod that fixed surface is connected on lower extreme and the backing plate of piston top, the fixed stopper that bottom is connected through pressure bearing and connecting rod top, fixed stopper and montant upper end opening spiro union, compression spring's top and the backing plate lower surface of piston below be connected, piston and gas pocket cooperation use, when fixed stopper and montant upper end opening spiro union promptly, the piston seal the gas pocket, when the fixed stopper is screwed down, compression spring fully extends, the piston break away from the gas pocket and with the montant inner wall surface sealing sliding connection of gas pocket top.
Preferably, the side wall of the upper end of the connecting rod is provided with a first crank, and the top end of the fixed plug is also provided with a second crank.
Preferably, the base is made of rubber materials.
Preferably, the use method of the special forbidden guardrail for radiotherapy comprises the following steps: the guardrail storage device comprises a storage mode, a pure guardrail mode, a guardrail with a door mode and a guardrail positioning mode.
Preferably, the storage mode is to compress the distance between the guardrail units and sleeve the adjacent V-shaped bases together; the pure guardrail mode is that each guardrail unit is pulled open by pulling the frame with hands; the guardrail mode with the door is that the first guardrail units of 2 special forbidden guardrails for radiotherapy are opposite and form the door by butting pull frames; the guardrail positioning mode is characterized in that one or more guardrail units are fixed on the ground by using honeycomb suckers.
Preferably, the mode of fixing one or more guardrail units on the ground by using the honeycomb suction cups is as follows: after the position of the special forbidden guardrail for radiotherapy is placed, the following operations are carried out on one or more guardrail units, the first crank is rotated, the connecting rod is pushed downwards, the lower end of the sucker is in full contact with the ground, then the second crank is rotated, and the fixing plug is screwed down, so that the compression spring is fully extended.
The special forbidden guardrail for radiotherapy and the using method have the beneficial effects that the special forbidden guardrail for radiotherapy comprises 3 parts:
1. the guardrail unit is stable in structure, not easy to topple over, labor-saving in pulling, capable of being freely placed in various shapes, capable of enabling the guardrail unit to be close to when not in use and capable of sleeving adjacent V-shaped bases together, and greatly saves space.
2. The invention is provided with a structure capable of forming a door, so that the door can conveniently intercept unspecified personnel and provide convenience for the entrance and exit of the specified personnel.
3. The invention provides a guardrail positioning mode, and the guardrail units can be positioned through the honeycomb suckers after being placed, so that guardrail displacement caused by mistaken collision of personnel is avoided to a great extent.
Drawings
FIG. 1: the invention is a simple guardrail mode schematic diagram;
FIG. 2: the collection mode of the invention is shown schematically;
FIG. 3: the invention is a mode schematic diagram of a guardrail with a door;
FIG. 4: a schematic view of a guardrail unit with a positioning part;
FIG. 5: a cross-sectional view of the positioning part at the position A in an un-positioned and positioned state;
FIG. 6: bottom view of the base of the present invention;
1: v-shaped base, 2: an X-shaped connecting rod; 3: strut, 4: first sliding sleeve, 5: second runner, 6: universal wheel, 7: first stop collar, 8: a door, 9: fixing plate, 10: second stop collar, 11: frame pulling, 12: universal joint, 13: warning board, 14: first crank, 15: second crank, 16: base, 17: suction cup, 18: backing plate, 19: piston, 20: connecting rod, 21: compression spring, 22: pressure bearing, 23: vertical bar, 24: air hole, 25: tubular passage, 26: and fixing the plug.
Detailed Description
The following description is only exemplary of the present invention and should not be construed as limiting the scope of the present invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Example 1:
as shown in figure 1, the special forbidden guardrail for radiotherapy comprises guardrail units and connecting parts, wherein each guardrail unit comprises a moving part and a supporting part, the moving part is a V-shaped base 1 which is V-shaped in overlooking, a fixing plate 9 is fixedly connected at the V-shaped clamping corner of the V-shaped base 1, universal wheels 6 are respectively arranged on the lower surface of the fixing plate 9 and the lower surfaces of two wings of the V-shaped base 1 far away from one side of the fixing plate 9, the supporting part is a strut 3 which is vertically and fixedly arranged on the fixing plate 9, a first limiting ring 7 and a second limiting ring 10 are respectively arranged on the upper part and the lower part of the strut 3, a first sliding sleeve 4 and a second sliding sleeve 5 which are in sliding connection with the strut 3 are further arranged between the first limiting ring 7 and the second limiting ring 10 from top to bottom, the connecting parts are X-shaped connecting rods 2 connected between the adjacent guardrail units, and the X-shaped connecting rods 2 are arranged in a crossed mode through 2, The middle point of the connecting rod is hinged by a hinge shaft in the horizontal direction, and the end parts of 2 connecting rods at the two ends of the X-shaped connecting rod 2 are respectively connected with the first sliding sleeve 4 and the second sliding sleeve 5 of the guardrail unit at the same side through universal joints 12;
as shown in fig. 1, the ends of 2 left connecting rods of the X-shaped connecting rod 2 are connected with the right side wall surfaces of the first sliding sleeve 4 and the second sliding sleeve 5 of the guardrail unit, and the ends of 2 right connecting rods of the X-shaped connecting rod 2 are connected with the left side wall surfaces of the first sliding sleeve 4 and the second sliding sleeve 5 of the other adjacent guardrail unit;
as shown in fig. 2, the first limiting ring 7 and the second limiting ring 10 are respectively rotatably connected with the pillar 3, a pull frame 11 is further arranged on the pillar 3 of the first guardrail unit and the last guardrail unit of the radiotherapy-dedicated forbidden guardrail, the pull frame 11 is composed of a rectangular curved bar, and two ends of the curved bar are respectively fixedly connected with the side wall surfaces of the first limiting ring 7 and the second limiting ring 10;
as shown in fig. 2, a clamping groove for clamping the warning board 13 is further provided on the inner side of the pull frame 11.
The forbidden guardrail in the prior art is either a guardrail capable of sliding along a fixed rail or a guardrail which needs to be manually placed and can be placed into various shapes, the forbidden guardrail has the defects of inflexibility, large construction quantity and occupied space, and the forbidden guardrail has the defects of instability and difficult placement.
The invention solves the technical problem, as shown in fig. 1, when a pure guardrail mode is implemented, the invention can be quickly implemented by only holding the pull frame 11 by hand and pulling the invention according to the required shape by pulling the pull frame 11 when a circle or other curve shape is required to be enclosed.
As shown in figure 2, when the guardrail is not needed, the invention can be folded together in a storage mode, thereby greatly saving space.
Generally, guardrails in medical places are prepared for irrelevant people, specific medical care personnel and patients need to walk through the guardrails, as shown in fig. 3, 2 groups of guardrails are butted, 2 pull frames form a door, specific personnel can enter and exit through the door, and meanwhile, warning boards can be arranged on the pull frames to warn that irrelevant personnel cannot enter and exit.
Example 2:
on the basis of embodiment 1, this embodiment provides an implementation method of the positioning fence mode, specifically:
as shown in fig. 4, 5 and 6, the fixing plate 9 is further provided with a positioning portion, the positioning portion includes a through hole penetrating through the upper and lower end faces of the fixing plate 9 in the vertical direction, and a honeycomb suction cup, the honeycomb suction cup includes a vertical rod 23 having an outer surface screwed with the through hole, a circular truncated cone-shaped base 16, and a plurality of suction cups 17 uniformly distributed on the lower surface of the base 16, the vertical rod 23 is a tubular structure having an upper end open and a lower end sealed, the lower end of the vertical rod 23 penetrates into the base 16 along the top end of the base 16 and is fixedly connected with the base 16, a plurality of air holes 24 are formed in the rod wall of the vertical rod 23 located in the base 16, the base 16 is internally provided with a plurality of tubular passages 25, one end of each tubular passage 25 is connected with the air hole 24, the other end penetrates through the top end of the suction cup 17 and is communicated with the inside of the suction cup 17, the bottom end of the compression spring 21 is fixedly connected with the upper surface of the bottom end of the vertical rod 23, a piston mechanism is also arranged above the compression spring 21 and in the vertical rod 23, the piston mechanism comprises a piston 19, the upper end surface and the lower end surface of which are fixedly connected with a backing plate 18, a connecting rod 20, the lower end of which is fixedly connected with the upper surface of the backing plate 18 above the piston 19, and a fixed plug 26, the bottom end of which is connected with the top end of the connecting rod 20 through a pressure bearing 22, the fixed plug 26 is screwed with the upper end opening of the vertical rod 23, the top end of the compression spring 21 is connected with the lower surface of the backing plate 18 below the piston 19, the piston is matched with the air hole for use, i.e. when the fixing plug 26 is screwed with the upper opening of the vertical rod 23, the piston 19 seals the air hole 24, when the fixing plug is screwed off, the compression spring 21 is fully extended, and the piston 19 is separated from the air hole 24 and is in sealing sliding connection with the surface of the inner wall of the vertical rod 23 above the air hole 24;
a first crank 14 is arranged on the side wall of the upper end of the vertical rod 23, and a second crank 15 is arranged at the top end of the fixed plug 26;
the base 16 is made of rubber material.
Since the movable guard rail is easily displaced by the mistake of a person, when the movable guard rail needs to be positioned, as shown in fig. 5, after the special forbidden guard rail for radiotherapy is placed in position, the operation is performed on one or more guard rail units, the first crank 14 is rotated to push the vertical rod 23 downwards and make the lower end of the suction cup 17 fully contact with the ground, then the second crank 15 is rotated to screw down the fixing plug so as to fully extend the compression spring 21, the piston is separated from the air hole due to the extrusion of the compression spring 21 to the piston 19, and negative pressure is formed in the tubular channel 25 of each suction cup 17, so that the suction cups 17 are adsorbed on the ground.
The ground of hospital is generally more level, but because traditional sucking disc is bulky, and to the smooth finish requirement on ground high, have some gas leakage just to lead to whole big sucking disc can't adsorb on ground easily, consequently, general level ground also is difficult to satisfy the adsorption requirement unless comparatively smooth bold ceramic tile.
In order to improve the applicability of the sucker, the invention is provided with the honeycomb-shaped sucker, and the sucker is similar to a honeycomb shape by arranging a plurality of small suckers, so that on one hand, the requirement of the sucker on the ground is reduced, only the ground with a small area where the small sucker is located meets the adsorption requirement, and a larger area is not required to reach the standard, and in addition, a plurality of small suckers are arranged, so that a plurality of force application points formed by adsorption are formed at the bottom of the base, the adsorption force is increased, and the base is more stable. The large sucker and the small sucker are relative concepts, the size of the bottom end of the base is the large sucker, and the suckers distributed at the bottom end of the base as shown in the figure are the small suckers.
As described above, the invention solves the problem that the traditional movable guardrail is difficult to position and easy to move, and can avoid the danger caused by the movement of the guardrail to a great extent in a specific medical place.
Example 3:
on the basis of embodiments 1 and 2, this embodiment provides a specific use method of the present invention, which specifically includes:
a use method of a special forbidden guardrail for radiotherapy comprises the following steps: the guardrail collecting mode comprises a collecting mode, a pure guardrail mode, a guardrail with a door mode and a guardrail positioning mode;
the storage mode is to compress the distance between the guardrail units and sleeve the adjacent V-shaped bases 1 together; the pure guardrail mode is that each guardrail unit is pulled open by pulling the frame 11 with hands; the guardrail mode with the door is that the first guardrail units of 2 special forbidden guardrails for radiotherapy are opposite and are butted by a pull frame 11 to form the door; the guardrail positioning mode is characterized in that one or more guardrail units are fixed on the ground by using a honeycomb sucking disc;
the mode of fixing one or more guardrail units on the ground by using the honeycomb sucking disc is as follows: after the position of the special forbidden guardrail for radiotherapy is placed, the operation is carried out on one or more guardrail units, namely, the first crank 14 is rotated, the vertical rod 23 is pushed downwards, the lower end of the sucking disc 17 is in full contact with the ground, then the second crank 15 is rotated, the fixing plug is screwed down, and the compression spring 21 is fully extended.
Similarly, when the guardrail positioning mode is to be cancelled, the opposite steps are only needed.
Claims (11)
1. The utility model provides a special guardrail of forbidding of radiotherapy which characterized in that: the guardrail comprises guardrail units and a connecting part, wherein the guardrail units are composed of a moving part and a supporting part, the moving part is a V-shaped base which is V-shaped when overlooking, a fixed plate is fixedly connected with the V-shaped corner of the V-shaped base, universal wheels are respectively arranged on the lower surface of the fixed plate and the lower surfaces of two wings of the V-shaped base, which are far away from one side of the fixed plate, the supporting part is a pillar which is vertically and fixedly arranged on the fixed plate, the upper part and the lower part of the pillar are respectively provided with a first limiting ring and a second limiting ring, a first sliding sleeve and a second sliding sleeve which are in sliding connection with the pillar are further arranged between the first limiting ring and the second limiting ring from top to bottom, the connecting part is an X-shaped connecting rod connected between the adjacent guardrail units, the X-shaped connecting rod is formed by the crossed arrangement of 2 connecting rods and the hinging, the end parts of 2 connecting rods at the two ends of the X-shaped connecting rod are respectively connected with the first sliding sleeve and the second sliding sleeve of the guardrail unit at the same side through universal joints.
2. The special forbidden guardrail for radiotherapy as claimed in claim 1, wherein: the end parts of 2 connecting rods on the left side of the X-shaped connecting rod are connected with the surfaces of the right side walls of the first sliding sleeve and the second sliding sleeve of the guardrail unit, and the end parts of 2 connecting rods on the right side of the X-shaped connecting rod are connected with the surfaces of the left side walls of the first sliding sleeve and the second sliding sleeve of the other adjacent guardrail unit.
3. The special forbidden guardrail for radiotherapy as claimed in any one of claims 1 and 2, which is characterized in that: the first limiting ring and the second limiting ring are respectively connected with the support column in a rotating mode, a pulling frame is further arranged on the support column of the first guardrail unit and the last guardrail unit of the special forbidden guardrail for radiotherapy, the pulling frame is composed of a rectangular curved bar, and two ends of the curved bar are respectively fixedly connected with the surface of the side wall of the first limiting ring and the surface of the side wall of the second limiting ring.
4. The special forbidden guardrail for radiotherapy as claimed in claim 3, wherein: the inner side of the pull frame is also provided with a clamping groove for clamping the warning board.
5. The special forbidden guardrail for radiotherapy as defined in any one of claims 1, 2 and 4, which is characterized in that: the fixing plate is also provided with a positioning part, the positioning part comprises a through hole and a honeycomb sucker, the through hole penetrates through the upper end surface and the lower end surface of the fixing plate in the vertical direction, the honeycomb sucker comprises a vertical rod with the outer surface screwed with the through hole, a truncated cone-shaped base and a plurality of suckers uniformly distributed on the lower surface of the base, the vertical rod is of a tubular structure with an upper end open and a lower end sealed, the lower end of the vertical rod penetrates into the base along the top end of the base and is fixedly connected with the base, the rod wall of the vertical rod in the base is provided with a plurality of air holes, the base is internally provided with a plurality of tubular channels, one end of each tubular channel is connected with the air holes, the other end of each tubular channel penetrates through the top end of the sucker and is communicated with the inside of the sucker, the upper surface of the bottom end of the, still be equipped with piston mechanism in compression spring's top and being located the montant, piston mechanism including the piston of terminal surface fixedly connected with backing plate about, the connecting rod that fixed surface is connected on the backing plate of lower extreme and piston top, the fixed stopper that bottom is connected through pressure bearing and connecting rod top, fixed stopper and montant upper end opening spiro union, compression spring's top and the backing plate lower surface of piston below be connected, piston and gas pocket cooperation use.
6. The special forbidden guardrail for radiotherapy as claimed in claim 5, wherein: the side wall of the upper end of the connecting rod is provided with a first crank, and the top end of the fixed plug is also provided with a second crank.
7. The special forbidden guardrail for radiotherapy as claimed in claim 6, wherein: the base is made of rubber materials.
8. The use method of the special forbidden guardrail for radiotherapy in claim 6 or 7 is characterized in that: the guardrail positioning mode is characterized by comprising a guardrail positioning mode and a guardrail moving mode, wherein one or more guardrail units are fixed on the ground by utilizing a honeycomb sucker.
9. The use method of the special forbidden guardrail for radiotherapy in claim 6 or 7 is characterized in that: including a storage mode, a pure guardrail mode and a guardrail mode with a door.
10. The method for using the forbidden guardrail special for radiotherapy in claim 9 is characterized in that: the storage mode is to compress the distance between the guardrail units and sleeve the adjacent V-shaped bases together; the pure guardrail mode is that each guardrail unit is pulled open by pulling the frame with hands; the guardrail mode with the door is that the first guardrail units of 2 special forbidden guardrails for radiotherapy are opposite and form the door by abutting pull frames.
11. The method for using the forbidden guardrail special for radiotherapy in claim 8 is characterized in that: the mode of fixing one or more guardrail units on the ground by using the honeycomb sucking disc is as follows: after the position of the special forbidden guardrail for radiotherapy is placed, the following operations are carried out on one or more guardrail units, the first crank is rotated, the connecting rod is pushed downwards, the lower end of the sucker is in full contact with the ground, then the second crank is rotated, and the fixing plug is screwed down, so that the compression spring is fully extended.
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| CN201911231615.4A CN110863698B (en) | 2019-12-05 | 2019-12-05 | Special forbidden guardrail for radiotherapy and use method |
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| CN208934527U (en) * | 2018-08-24 | 2019-06-04 | 中铁一局集团天津建设工程有限公司 | A kind of stable construction guardrail of construction site Special safety |
| CN109209013A (en) * | 2018-10-31 | 2019-01-15 | 国网山东省电力公司潍坊供电公司 | A kind of intelligent substation safe fence |
| CN209687347U (en) * | 2018-12-24 | 2019-11-26 | 杭州蓝城瑞沐建筑设计有限公司 | Skyscraper glass founds window movable safety guardrail |
| CN109736632A (en) * | 2019-01-16 | 2019-05-10 | 长沙伯劳智能科技有限公司 | A kind of power construction equipment safety guide rail |
| CN110528958A (en) * | 2019-07-19 | 2019-12-03 | 睢宁和信塑业有限公司 | A kind of collapsible construction guardrail of municipal administration |
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| CN110863698A (en) | 2020-03-06 |
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