CN113813113B

CN113813113B - Novel transfer stretcher for decompression chamber

Info

Publication number: CN113813113B
Application number: CN202111317804.0A
Authority: CN
Inventors: 贾春遐; 孙凯; 王福存; 李韶清; 刘啸峰
Original assignee: Yantai Hongyuan Manned Pressure Tank Engineering Technology Research Institute Co ltd
Current assignee: Yantai Hongyuan Manned Pressure Tank Engineering Technology Research Institute Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2024-05-14
Anticipated expiration: 2041-11-09
Also published as: CN113813113A

Abstract

The invention relates to the technical field of personnel transfer in a decompression cabin, in particular to a novel transfer stretcher for a decompression cabin, which comprises a longitudinal lower stretcher assembly, wherein transverse moving assemblies are arranged below two ends of the lower stretcher assembly, a middle stretcher assembly capable of sliding longitudinally is arranged above the lower stretcher assembly, and an upper stretcher assembly is arranged above the middle stretcher assembly; the transverse moving assembly is used for driving the lower stretcher assembly to transversely expand and move; the upper stretcher assembly is used for placing divers; the upper stretcher assembly is configured to slide over the lower stretcher assembly and the middle stretcher assembly in sequence. Therefore, the diver can quickly and conveniently transfer out the decompression chamber, and meanwhile, secondary injury to the diver caused by shaking is prevented.

Description

Novel transfer stretcher for decompression chamber

Technical Field

The invention relates to the technical field of personnel transfer in a decompression chamber, in particular to a novel transfer stretcher for a decompression chamber.

Background

The decompression chamber is a manned pressure container, can be divided into a main chamber and a transition chamber, and is widely applied to the fields of diving operation, diving training and the like; after the diver finishes the operation or training, the diver can stably decompress in the decompression chamber, and the decompression sickness can be effectively prevented or treated; when a diver in the decompression chamber has special discomfort and cannot transfer to the motorized rescue capsule alone, personnel transfer is required through a stretcher.

At present, most of the adopted common stretchers for the decompression chamber need to be operated by multiple persons at the same time in the chamber, the rescue time of divers is delayed particularly inconvenient and rapid in the limited volume of the decompression chamber, and the common stretchers are greatly rocked in the transferring process, so that secondary injury is easily caused to the divers. Therefore, a new transfer stretcher for decompression chamber is needed to solve the above problems.

Disclosure of Invention

The invention aims to overcome the defects and shortcomings in the prior art, and provides the novel transfer stretcher for the decompression chamber, which is very convenient and quick to operate by only one person when the stretcher is transferred; meanwhile, the transfer device is stable in the transfer process, the diver is effectively protected, and secondary injury to the diver caused by shaking is prevented.

In order to achieve the above purpose, the invention provides a novel transfer stretcher for decompression chambers, which comprises a longitudinal lower layer stretcher assembly, wherein transverse moving assemblies are arranged below two ends of the lower layer stretcher assembly, a middle layer stretcher assembly capable of sliding longitudinally is arranged above the lower layer stretcher assembly, and an upper layer stretcher assembly is arranged above the middle layer stretcher assembly; the transverse moving assembly is used for driving the lower stretcher assembly to transversely expand and move; the upper stretcher assembly is used for placing divers; the upper stretcher assembly is configured to slide on the lower stretcher assembly and the middle stretcher assembly in sequence.

Further, the lateral movement assembly includes a fixed plate and a moving plate configured to be laterally movable on the fixed plate, and the lower stretcher assembly is fixed on the moving plate.

Further, a linear guide rail is arranged at the upper end of the fixed plate, a rotatable guide rail is arranged at the lower end of the fixed plate, the rotatable guide rail comprises a pin shaft mounting block, a roller A and a sliding support plate with support legs, the sliding support plate is rotatably arranged on the pin shaft mounting block through a pin shaft A, and the roller A is arranged at the lower end of the movable plate; the sliding rail of the linear guide rail is fixed on the fixed plate, and the sliding block of the linear guide rail is fixed on the moving plate; a hasp A is arranged on the moving plate and is used for limiting the sliding support plate in the vertical direction; the support legs are used for enabling the sliding support plates to be horizontally placed; the roller a is capable of rolling on the sliding support plate.

Further, the lower stretcher assembly comprises a lower layer plate longitudinally fixed on the transverse moving assembly, vertical plates are arranged on two sides of the lower layer plate, a downward inclined plate A is arranged on the inner side of the top of the vertical plate, a longitudinal roller mounting plate is arranged on the inclined plate A, a plurality of rotatable rollers B are arranged on the roller mounting plate, and the axes of the rollers B are parallel to the inclined plate A; the upper stretcher assembly rolls on the roller B.

Further, the upper stretcher assembly comprises a stretcher plate, two sides of the stretcher plate are provided with inclined plates B, the inclined plates B are parallel to the inclined plates A, and the inclined plates B are in contact with the rollers B.

Further, the middle layer stretcher assembly comprises a middle layer plate, wherein the front end of the middle layer plate is provided with a head fixing piece, and the bottom of the head fixing piece is provided with two parallel supporting legs; the upper end face and the lower end face of the middle layer plate are respectively provided with a rolling unit, the rolling units comprise two groups of longitudinally and alternately-arranged rolling assemblies, each rolling assembly comprises two longitudinally parallel roller mounting plates, and a plurality of transverse rollers are arranged between the two roller mounting plates; the support leg comprises a support A, a joint part and a support B in sequence, wherein the support A is fixed on the head fixing part, and the support B can rotate and fold relative to the support A through the joint part.

Further, the joint part comprises a connecting plate A, a connecting plate B, a pin shaft B and two positioning pins, wherein the connecting plate A is arranged on the supporting piece A, the connecting plate B is arranged on the supporting piece B, a U-shaped groove is formed in the middle of the supporting piece B, the connecting plate A is matched with the U-shaped groove, and the connecting plate A is hinged with the connecting plate B through the pin shaft B; corresponding three through holes are formed in the connecting plate A and the connecting plate B, and the locating pins are matched with the through holes.

Further, the novel transfer stretcher for the decompression chamber further comprises a limit guide assembly, wherein the limit guide assembly is used for preventing the middle layer plate from being separated from the lower layer plate in the longitudinal movement process; the limit guide assembly is also used for preventing the carrier plate from being separated from the middle layer plate in the retracting process.

Further, the limit guide assembly comprises a stop block A, a guide plate B, a guide plate C and two parallel guide plates A; the guide plate A and the stop block A are arranged on the upper end face of the lower layer plate, a flange is arranged at the rear end of the middle layer plate, and the flange can be in contact with the stop block A; the guide plate B is longitudinally arranged on the outer side of the inclined plate B, and the guide plate B is positioned on the outer side of the roller mounting plate; the front end of the guide plate B is provided with a stop block B, and the stop block B can be contacted with the front end of the roller mounting plate; the guide plate C is arranged at the lower end of the carrier plate; the rolling unit of the lower end surface of the middle layer plate is positioned between the two guide plates A; the guide plate C is positioned between the two groups of rolling assemblies on the upper end face of the middle layer plate; the stop block A is positioned between the two groups of rolling assemblies on the lower end face of the middle layer plate.

Further, the novel transfer stretcher for the decompression chamber further comprises a locking assembly, wherein the locking assembly comprises a hasp B and a hasp C; the hasp B is arranged on the outer side of the fixed plate and used for fastening the front end of the stretcher plate; the hasp C is arranged on the outer side of the vertical plate and used for fastening the head fixing piece.

Compared with the prior art, the invention has the beneficial effects that: only one person is needed to transfer the diver out of the decompression chamber, the operation is very convenient and quick, the operation is very stable in the transfer process, the diver is effectively protected, the secondary injury of the diver caused by shaking is prevented, and the diver can be pushed to one side of the decompression chamber when the diver is not used, so that the diver is free from occupying space.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the structure of the lateral shifting assembly of fig. 1.

Fig. 3 is an expanded view of fig. 2.

Fig. 4 is a schematic view of the lower stretcher assembly of fig. 1.

Fig. 5 is a schematic view of the structure of the middle stretcher assembly of fig. 1.

Fig. 6 is a rear cross-sectional view of the lower litter assembly, middle litter assembly and upper litter assembly of fig. 1.

Figure 7 is a bottom view of the upper stretcher assembly.

Fig. 8 is a view showing the state of the invention in the unfolded use.

Wherein: 1. a lateral movement assembly; 2. a lower stretcher assembly; 3. a middle layer stretcher assembly; 4. an upper stretcher assembly; 5. decompression chamber; 11. a fixing plate; 12. a linear guide rail; 13. a moving plate; 14. a pin shaft mounting block; 15. a sliding support plate; 16. a pin A; 17. a roller A; 18. supporting feet; 21. a lower plate; 22. a vertical plate; 23. a sloping plate A; 24. a roller mounting plate; 25. a roller B; 26. a guide plate A; 27. a stop block A; 28. a hasp C; 31. a middle layer plate; 32. a head fixing member; 33. a roller mounting plate; 34. a roller; 35. a support member A; 36. a support member B; 37. a joint part; 41. a carrier plate; 42. a sloping plate B; 43. a guide plate B; 44. a guide plate C; 45. a stop block B; 131. a hasp B; 132. a hasp A; 371. a pin B; 372. and (5) positioning pins.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Examples

Referring to fig. 1 to 8, the invention provides a novel transfer stretcher for decompression chambers, which comprises a longitudinal lower stretcher component 2, wherein transverse moving components 1 are arranged below two ends of the lower stretcher component 2, a middle stretcher component 3 capable of sliding longitudinally is arranged above the lower stretcher component 2, and an upper stretcher component 4 is arranged above the middle stretcher component 3; the transverse moving assembly 1 is used for driving the lower stretcher assembly 2 to transversely expand and move; the upper stretcher assembly 4 is used for placing divers; the upper stretcher assembly 4 is configured to be able to slide over the lower stretcher assembly 2 and the middle stretcher assembly 3 in sequence.

As an embodiment of the present invention, as shown in fig. 2 and 3, the lateral movement assembly 1 includes a fixed plate 11 and a moving plate 13, the moving plate 13 being configured to be laterally movable on the fixed plate 11, and the lower stretcher assembly 2 being fixed on the moving plate 13.

Preferably, the upper end of the fixed plate 11 is provided with a linear guide rail 12, the lower end of the fixed plate 11 is provided with a rotatable guide rail, the rotatable guide rail comprises a pin shaft mounting block 14, a roller A17 and a sliding support plate 15 with support legs 18, the sliding support plate 15 is rotatably arranged on the pin shaft mounting block 14 through a pin shaft A16, and the roller A17 is arranged at the lower end of the movable plate 13; the slide rail of the linear guide rail 12 is fixed on the fixed plate 11, and the slide block of the linear guide rail 12 is fixed on the movable plate 13; the moving plate 13 is provided with a buckle a132, and the buckle a132 is used for limiting the sliding support plate 15 in the vertical direction; the support feet 18 are used for horizontally placing the sliding support plate 15; the roller a17 can roll on the slide support plate 15.

As an embodiment of the present invention, as shown in fig. 4, the lower stretcher assembly 2 comprises a lower plate 21 longitudinally fixed on the transverse moving assembly 1, wherein vertical plates 22 are arranged on two sides of the lower plate 21, a downward inclined plate a23 is arranged on the inner side of the top of the vertical plate 22, a longitudinal roller mounting plate 24 is arranged on the inclined plate a23, a plurality of rotatable rollers B25 are arranged on the roller mounting plate 24, and the axes of the rollers B25 are parallel to the inclined plate a23; the upper stretcher assembly 4 rolls on the roller B25.

As an embodiment of the present invention, as shown in fig. 6 and 7, the upper stretcher assembly 4 includes a stretcher plate 41, both sides of the stretcher plate 41 are provided with inclined plates B42, the inclined plates B42 are parallel to the inclined plates a23, and the inclined plates B42 are in contact with the rollers B25.

Optionally, the stretcher plate 41 has a hollow portion serving as a handle, which is convenient for a person to lift the upper stretcher assembly 4, and also has a mounting hole for a safety belt.

As an embodiment of the present invention, as shown in fig. 5, the middle stretcher assembly 3 includes a middle plate 31, a head fixing member 32 is provided at the front end of the middle plate 31, and two parallel support legs are provided at the bottom of the head fixing member 32; the upper end face and the lower end face of the middle layer plate 31 are respectively provided with a rolling unit, the rolling unit comprises two groups of longitudinally and alternately arranged rolling assemblies, the rolling assemblies comprise two longitudinally parallel roller mounting plates 33, and a plurality of transverse rollers 34 are arranged between the two roller mounting plates 33; the support leg sequentially includes a support a35, a joint 37, and a support B36, the support a35 being fixed to the head fixing member 32, the support B36 being rotatable and foldable with respect to the support a35 by the joint 37.

Preferably, the joint part 37 comprises a connecting plate A, a connecting plate B, a pin shaft B371 and two positioning pins 372, wherein the connecting plate A is arranged on a supporting piece A35, the connecting plate B is arranged on a supporting piece B36, a U-shaped groove is arranged in the middle of the supporting piece B36, the connecting plate A is matched with the U-shaped groove, and the connecting plate A is hinged with the connecting plate B through the pin shaft B371; corresponding three through holes are formed in the connecting plate A and the connecting plate B, and the positioning pins 372 are matched with the through holes.

The support member B36 can be kept in two horizontal and vertical positions by the joint 37, that is, when the two positioning pins 372 are connected with the center of the pin shaft B371 at an angle of 90 degrees and inserted into corresponding through holes, the support member B36 is kept horizontal; when the two positioning pins 372 are connected with the center of the pin shaft B371 at an included angle of 180 degrees and inserted into corresponding through holes, the supporting piece B36 is kept vertical.

As an embodiment of the present invention, the novel transfer stretcher for decompression chamber further comprises a limit guide assembly for preventing the middle laminate 31 from being separated from the lower laminate 21 during the longitudinal movement; the limit guide assembly also serves to prevent the carrier plate 41 from being separated from the middle plate 31 during retraction.

Preferably, the limit guide assembly comprises a stop block A27, a guide plate B43, a guide plate C44 and two parallel guide plates A26; the guide plate A26 and the stop block A27 are arranged on the upper end face of the lower layer plate 21, the rear end of the middle layer plate 31 is provided with a flange, and the flange can be contacted with the stop block A27; the guide plate B43 is disposed outside the inclined plate B42 in the longitudinal direction, and the guide plate B43 is located outside the roller mounting plate 24; the front end of the guide plate B43 is provided with a stop block B45, and the stop block B45 can be contacted with the front end of the roller mounting plate 24; the guide plate C44 is arranged at the lower end of the stretcher plate 41; the rolling unit of the lower end face of the middle layer plate 31 is positioned between the two guide plates A26; the guide plate C44 is positioned between the two groups of rolling components on the upper end face of the middle layer plate 31; the stop a27 is located between the two sets of rolling elements on the lower end face of the intermediate plate 31.

The stop B45 here interferes in contact with the roller mounting plate 24, preventing the upper stretcher assembly 4 from being pushed out of the middle stretcher assembly 3 during recovery.

As an embodiment of the present invention, the novel transfer stretcher for decompression chamber further comprises a locking assembly comprising a hasp B131 and a hasp C28; a buckle B131 is provided on the outer side of the fixing plate 11, the buckle B131 being for fastening the front end of the carrier plate 41; a buckle C28 is provided on the outside of the riser 22, the buckle C28 being used to fasten the head mount 32.

The application process of the invention comprises the following steps: the fixing plate 11 is fixed in the decompression chamber 5, a mattress is placed on the support plate 41 of the upper stretcher assembly 4, and a diver lies on the mattress. When special situations occur and a diver needs to be transferred out of the decompression chamber 5, firstly, the buckle A132 is opened, the sliding support plate 15 is rotated and put down and is put flat, the moving plate 13 is transversely unfolded, then the buckle B131 and the buckle C28 are opened, the middle layer stretcher assembly 3 rolls on the lower layer plate 21, and in the moving process, a flange arranged at the rear end of the middle layer plate 31 can be in contact interference with the stop block A27, and at the moment, the middle layer stretcher assembly 3 cannot be pushed out of the lower layer plate 21; then, the supporting legs on the middle stretcher assembly 3 are unfolded to be in a vertical state, then the upper stretcher assembly 4 is pushed, the upper stretcher assembly 4 moves under the action of the roller B25 in the lower stretcher assembly 2 and slides out of the lower stretcher assembly 2, then rolls on the middle stretcher assembly 3, as shown in fig. 8, and finally the diver is transferred out of the decompression chamber 5.

In addition, the "buckle" in the buckle a132, the buckle B131, and the buckle C28 is a product term, and is a purchasing part, and detailed description thereof is not repeated.

The present invention may be summarized in other specific forms without departing from the spirit or essential characteristics thereof. The above-described embodiments of the invention are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The novel transfer stretcher for the decompression chamber is characterized by comprising a longitudinal lower-layer stretcher assembly (2), wherein transverse moving assemblies (1) are arranged below two ends of the lower-layer stretcher assembly (2), a middle-layer stretcher assembly (3) capable of longitudinally sliding is arranged above the lower-layer stretcher assembly (2), and an upper-layer stretcher assembly (4) is arranged above the middle-layer stretcher assembly (3); the transverse moving assembly (1) is used for driving the lower stretcher assembly (2) to transversely expand and move; the upper stretcher assembly (4) is used for placing divers; the upper stretcher assembly (4) is configured to be capable of sliding on the lower stretcher assembly (2) and the middle stretcher assembly (3) in sequence;

The transverse moving assembly (1) comprises a fixed plate (11) and a moving plate (13), wherein the moving plate (13) is configured to transversely move on the fixed plate (11), and the lower stretcher assembly (2) is fixed on the moving plate (13);

The upper end of the fixed plate (11) is provided with a linear guide rail (12), the lower end of the fixed plate (11) is provided with a rotatable guide rail, the rotatable guide rail comprises a pin shaft mounting block (14), a roller A (17) and a sliding support plate (15) with a support leg (18), the sliding support plate (15) is rotationally arranged on the pin shaft mounting block (14) through a pin shaft A (16), and the roller A (17) is arranged at the lower end of the movable plate (13); the sliding rail of the linear guide rail (12) is fixed on the fixed plate (11), and the sliding block of the linear guide rail (12) is fixed on the moving plate (13); a hasp A (132) is arranged on the moving plate (13), and the hasp A (132) is used for limiting the sliding support plate (15) in the vertical direction; the support legs (18) are used for horizontally placing the sliding support plate (15); the roller A (17) can roll on the sliding support plate (15).

2. The novel transfer stretcher for the decompression chamber according to claim 1, wherein the lower stretcher assembly (2) comprises a lower plate (21) longitudinally fixed on the transverse moving assembly (1), two sides of the lower plate (21) are provided with vertical plates (22), the inner sides of the tops of the vertical plates (22) are provided with inclined plates A (23) inclined downwards, the inclined plates A (23) are provided with longitudinal roller mounting plates (24), the roller mounting plates (24) are provided with a plurality of rotatable rollers B (25), and the axes of the rollers B (25) are parallel to the inclined plates A (23); the upper stretcher assembly (4) rolls on the roller B (25).

3. The novel transfer stretcher for decompression chamber according to claim 2, wherein the upper stretcher assembly (4) comprises a stretcher plate (41), two sides of the stretcher plate (41) are provided with inclined plates B (42), the inclined plates B (42) are parallel to the inclined plates a (23), and the inclined plates B (42) are in contact with the rollers B (25).

4. A novel transfer stretcher for decompression chamber according to claim 3, characterized in that the middle stretcher assembly (3) comprises a middle layer plate (31), the front end of the middle layer plate (31) is provided with a head fixing piece (32), and the bottom of the head fixing piece (32) is provided with two parallel supporting legs; the upper end face and the lower end face of the middle layer plate (31) are respectively provided with a rolling unit, the rolling units comprise two groups of longitudinally and alternately arranged rolling assemblies, each rolling assembly comprises two longitudinally parallel roller mounting plates (33), and a plurality of transverse rollers (34) are arranged between the two roller mounting plates (33); the support leg comprises a support member A (35), a joint portion (37) and a support member B (36) in sequence, wherein the support member A (35) is fixed on the head fixing member (32), and the support member B (36) can be folded in a rotating manner relative to the support member A (35) through the joint portion (37).

5. The novel transfer stretcher for decompression chamber according to claim 4, characterized in that the articulation (37) comprises a connection plate a, a connection plate B, a pin shaft B (371) and two positioning pins (372), the connection plate a being arranged on the support member a (35), the connection plate B being arranged on the support member B (36), a U-shaped groove being provided in the middle of the support member B (36), the connection plate a being matched with the U-shaped groove, the connection plate a being hinged with the connection plate B by means of the pin shaft B (371); corresponding three through holes are formed in the connecting plate A and the connecting plate B, and the positioning pins (372) are matched with the through holes.

6. The new transfer stretcher for decompression chamber according to claim 4, characterized in that it further comprises a limit guide assembly for preventing the middle layer plate (31) from coming off the lower layer plate (21) during the longitudinal movement; the limit guide assembly is also used for preventing the stretcher plate (41) from separating from the middle layer plate (31) in the retracting process.

7. The novel transfer stretcher for decompression chamber according to claim 6, wherein the limit guide assembly comprises a stop block a (27), a guide plate B (43), a guide plate C (44) and two parallel guide plates a (26); the guide plate A (26) and the stop block A (27) are arranged on the upper end face of the lower layer plate (21), a flange is arranged at the rear end of the middle layer plate (31), and the flange can be in contact with the stop block A (27); the guide plate B (43) is arranged on the outer side of the inclined plate B (42) along the longitudinal direction, and the guide plate B (43) is positioned on the outer side of the roller mounting plate (24); the front end of the guide plate B (43) is provided with a stop block B (45), and the stop block B (45) can be contacted with the front end of the roller mounting plate (24); the guide plate C (44) is arranged at the lower end of the carrier plate (41); the rolling unit at the lower end surface of the middle layer plate (31) is positioned between the two guide plates A (26); the guide plate C (44) is positioned between two groups of rolling assemblies on the upper end face of the middle layer plate (31); the stop block A (27) is positioned between two groups of rolling assemblies on the lower end face of the middle layer plate (31).

8. The novel transfer stretcher for decompression chamber according to claim 7, further comprising a locking assembly comprising a buckle B (131) and a buckle C (28); the hasp B (131) is arranged on the outer side of the fixed plate (11), and the hasp B (131) is used for fastening the front end of the stretcher plate (41); the buckle C (28) is arranged on the outer side of the vertical plate (22), and the buckle C (28) is used for fastening the head fixing piece (32).