CN114735547A

CN114735547A - Rope arranging device and temperature impact test box

Info

Publication number: CN114735547A
Application number: CN202210349126.4A
Authority: CN
Inventors: 高强; 姚成林; 何凡
Original assignee: Jiangsu Tomilo Environmental Testing Equipment Co Ltd
Current assignee: Jiangsu Tomilo Environmental Testing Equipment Co Ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-07-12

Abstract

The invention belongs to the technical field of winding and winding equipment, and discloses a rope arranging device and a temperature impact test box, wherein the rope arranging device comprises a rotating piece, a winding mechanism and an adjusting mechanism, the rotating piece is used for winding and releasing a rope piece, the winding mechanism comprises a base, a chain, a screw rod rotatably arranged on the base, a guide assembly arranged on the base and a nut arranged on the guide assembly, the chain is respectively wound on the rotating piece and the screw rod, the screw rod is in threaded connection with the nut, the guide assembly is in sliding fit with the base, the guide assembly is used for guiding the rope piece to be conveyed onto the rotating piece from the outside or conveyed from the rotating piece to the outside so as to prevent the rope piece from being stacked and wound when being wound, the adjusting mechanism can adjust the distance between the rotating piece and the screw rod, is used for adjusting the tension force of the chain and ensuring the stability of transmission connection, and the effective length of the rope piece for pulling a trolley is kept unchanged so that the trolley can accurately move to a hot area or a cold area, the accuracy of the result of the temperature impact test is not affected.

Description

Rope arranging device and temperature impact test box

Technical Field

The invention relates to the technical field of winding and winding equipment, in particular to a rope arranging device and a temperature impact test box.

Background

The temperature impact test box is used for testing the change and the tolerable degree of a material of a piece to be tested due to expansion caused by heat and contraction caused by cold in the process of rapidly switching between a cold area and a hot area, so that a trolley used for placing the piece to be tested in the test box is required to accurately move to the hot area or the cold area, sealing parts are arranged at two ends of the trolley and used for isolating the cold area and the hot area so as to ensure good sealing between the cold area and the hot area.

In the temperature impact test box, one end of the rope piece is connected with the trolley, the other end of the rope piece is wound on the rotating piece, and the rotating piece is used for driving the trolley to move between the cold area and the hot area. In the test process, under the rotation of the rotating piece, when the rope piece is wound at the same position of the rotating piece, the rope piece is generally stacked together, and the effective length of the rope piece for pulling the trolley is relatively shortened. On one hand, the rope pieces are continuously stacked, the rope pieces generate larger and larger pulling force far exceeding the maximum driving force of the rotating pieces, so that the rotating pieces are blocked, the trolley cannot move to a hot area or a cold area, and the test fails; on the other hand, the rope pieces which are piled up to a certain degree are scattered and released instantly and are not piled up any more, at the moment, the traction force of the trolley pulled by the rope pieces is changed rapidly, so that the trolley vibrates, the sealing of the boundary between the trolley and the hot and cold area is influenced, and the result of the temperature impact test is inaccurate.

Therefore, a rope guiding device and a temperature impact test chamber are needed to solve the above problems.

Disclosure of Invention

The invention aims to provide a rope arranging device which can prevent rope pieces from being stacked and wound when being wound on a rotating piece, can adjust the tension force of a chain and ensure that a trolley can accurately move to a cold area or a hot area of a temperature impact test box.

In order to solve the problems in the prior art, the invention adopts the following technical scheme:

a roping arrangement comprising:

a rotating member for winding and releasing the rope member;

the cable retracting mechanism comprises a base, a chain, a screw rod rotatably arranged on the base, a guide assembly arranged on the base and a nut fixedly arranged on the guide assembly, wherein the chain is respectively wound on the rotating piece and the screw rod, the screw rod is in threaded connection with the nut, the guide assembly is in sliding fit with the base, and the guide assembly is used for guiding the rope piece to be conveyed to the rotating piece from outside or conveyed outwards from the rotating piece;

the adjusting mechanism can adjust the distance between the rotating piece and the screw rod and is used for adjusting the tensioning force of the chain.

Preferably, the guide assembly comprises a bracket in sliding fit with the base and two first rollers arranged on the bracket, the two first rollers are arranged in parallel and at intervals, and the rope passes through the two first rollers.

Preferably, the base is further provided with a sliding rail, the sliding rail is parallel to the screw rod, a sliding groove is formed in the bottom of the bracket, and the sliding rail is located in the sliding groove and in sliding fit with the bracket.

Preferably, the guide assembly further comprises a second roller arranged on the bracket, the second roller is perpendicular to the two first rollers, and the rope passes through the second roller.

Preferably, the number of the second rollers is two, the two second rollers are arranged in parallel and at intervals, and the rope passes through the two second rollers.

Preferably, the rope guiding device further comprises a displacement sensor, the displacement sensor is mounted on the base, and the displacement sensor is used for detecting the position of the bracket.

Preferably, adjustment mechanism including revolve a fixed seat and set up in the fixed block of base, the fixed seat is used for fixing on the erection equipment, revolve a screw thread connect in the fixed block, just revolve to revolve and to revolve the piece and can drive the base removes.

Preferably, the number of the adjusting mechanisms is multiple, and the adjusting mechanisms are arranged at intervals along the axial direction of the screw rod.

Preferably, the rope guiding device further comprises a rotary drive source, an output end of the rotary drive source is connected to the rotating member, and the rotary drive source can drive the rotating member to rotate.

In order to achieve the purpose, the invention also provides a temperature impact test box which comprises the rope arranging device.

The invention has the beneficial effects that:

according to the rope arranging device provided by the invention, the rotating piece is used for winding and releasing the rope piece, the rotating piece is in transmission fit with the screw rod, and a motor is not required to be additionally arranged to drive the screw rod to rotate, so that synchronous rotation is realized. One end of the screw rod is in transmission connection with the rotating piece through the chain, the other end of the screw rod is in threaded connection with the nut and penetrates through the bracket to be arranged on the base in a rotating mode, the guide assembly is in sliding fit with the base, the screw rod is driven by the chain to rotate relative to the guide assembly, the guide assembly moves on the base along the axial direction of the screw rod, and therefore the rope piece is uniformly wound on the rotating piece. The direction subassembly is used for guiding rope spare from outer transport to rotating on or from rotating the piece and outwards carrying, and the winding position on rotating the piece is controlled to the direction subassembly, prevents that rope spare from piling up the winding when the rolling to guarantee that temperature shock test dolly can accurately move hot area or cold district. The adjusting mechanism can adjust the distance between the rotating part and the screw rod, is used for adjusting the tension of the chain and ensuring the stability of transmission connection, and the effective length of the rope part used for pulling the trolley is kept unchanged, so that the trolley can accurately move to a hot area or a cold area, and the accuracy of the result of the temperature impact test is not influenced.

The invention also provides a temperature impact test box, wherein the rope arranging device is arranged on the box body of the temperature impact test box, the winding position of the rope piece on the rotating piece is controlled, and the rope piece is prevented from being stacked and wound when being wound, so that the temperature impact test trolley can be accurately moved to a hot area or a cold area.

Drawings

FIG. 1 is a schematic structural diagram of a rope guiding device according to an embodiment of the present invention;

FIG. 2 is a front view of the retracting mechanism and the adjusting mechanism in an embodiment of the present invention;

fig. 3 is a cross-sectional view of the retracting mechanism and the adjusting mechanism in the embodiment of the present invention.

Reference numerals:

1. a rotating member;

2. a cable collecting mechanism; 21. a base; 22. a chain; 23. a screw; 24. a guide assembly; 241. a bracket; 242. a first roller; 243. a second roller; 25. a nut; 26. a slide rail;

3. an adjustment mechanism; 31. a screwing member; 32. a fixed block; 33. a fixed seat;

4. and a displacement sensor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

In the temperature impact test box, one end of the rope piece is connected with the trolley, the other end of the rope piece is wound on the rotating piece, and the rotating piece is used for driving the trolley to move between the cold area and the hot area. In the test process, under the rotation of the rotating piece, when the rope piece is wound at the same position of the rotating piece, the rope piece is usually stacked and wound together, and the effective length of the rope piece for pulling the moving trolley is relatively shortened. On one hand, the rope pieces are continuously stacked, the rope pieces generate larger and larger pulling force far exceeding the maximum driving force of the rotating pieces, so that the rotating pieces are blocked, the trolley cannot move to a hot area or a cold area, and the test fails; on the other hand, the rope pieces which are piled up to a certain degree are scattered and released instantly and are not piled up any more, at the moment, the traction force of the trolley pulled by the rope pieces is changed rapidly, so that the trolley vibrates, the sealing of the boundary between the trolley and the hot and cold area is influenced, and the result of the temperature impact test is inaccurate. Therefore, the invention provides the rope arranging device, the rope piece is prevented from being stacked and wound when being wound on the rotating piece, meanwhile, the tension force of the chain can be adjusted, and the trolley can be accurately moved to a cold area or a hot area of the temperature impact test box.

As shown in fig. 1 to 3, in the present embodiment, the rope guiding device includes a rotating member 1, a cable retracting mechanism 2, and an adjusting mechanism 3. Specifically, the rotation member 1 is mounted on the case for winding and releasing the rope member. The cable retracting mechanism 2 comprises a base 21, a chain 22, a screw 23 rotatably arranged on the base 21, a guide assembly 24 arranged on the base 21 and a nut 25 fixedly arranged on the guide assembly 24, wherein the guide assembly 24 is used for guiding the cable to be conveyed to the rotating piece 1 from outside or to be conveyed from the rotating piece 1 to outside. Wherein, the base 21 at both sides of the guiding component 24 is fixedly provided with a screw base, the two screw bases are respectively erected at both ends of the screw 23, and the screw 23 can rotate relative thereto. The chain 22 is respectively around locating and rotating 1 and screw rod 23, rotates 1 and screw rod 23 transmission cooperation, need not additionally to set up the motor and drives screw rod 23 and rotate, and the drive power transmission that will rotate 1 realizes synchronous rotation for screw rod 23. Screw 23 and nut 25 threaded connection, nut 25 fixed mounting is on direction subassembly 24, the one end of screw 23 is connected with rotating 1 transmission through chain 22, the other end and nut 25 threaded connection pass bracket 241 and rotate the screw base that sets up on base 21, direction subassembly 24 and base 21 sliding fit, screw 23 rotates relative base 21 under the drive of chain 22, screw 23 and nut 25 threaded fit, so that direction subassembly 24 moves on the base along the axial of screw 23, thereby make rope spare evenly twine on rotating 1. The guide assembly 24 controls the winding position of the rope piece on the rotating piece 1, prevents the rope piece from being stacked and wound during winding, and therefore ensures that the temperature impact test trolley can accurately move to a hot area or a cold area.

After long-time use, the chain 22 may have a certain slack phenomenon, which results in unstable or ineffective transmission connection, and the trolley cannot move to a hot zone or a cold zone, thereby affecting the test result. Thus, the adjusting mechanism 3 can adjust the distance between the rotation member 1 and the screw 23 for adjusting the tension of the chain 22. The chain 22 is wound around the screw 23 arranged on the rotating part 1 and the base 21, so that the tension of the chain 22 is adjusted, the stability of transmission connection is ensured, and the effective length of a rope part for pulling the trolley is kept unchanged, so that the trolley can accurately move to a hot area or a cold area, and the accuracy of the result of a temperature impact test is not influenced. In addition, the distance between the base 21 and the rotating part 1 is reduced by adjustment, the chain 22 is easy to fall off, and the disassembly, assembly and maintenance are convenient. It can be understood that, under the condition of ensuring that the chain 22 has a certain tightness, the screw 23 and the rotating part 1 are parallel to each other, that is, the screw 23 and the rotating part 1 are both perpendicular to the chain 22, if the screw 23 is inclined to the rotating part 1, the chain 22 may be separated during the transmission process, the transmission between the screw 23 and the rotating part 1 may be failed, and at the same time, the guiding component 24 may be pulled to the rope, which may affect the cable retracting of the cable arranging device to the rope, so that the rope may be stacked again during the winding process of the rotating part 1.

Further, with continued reference to fig. 1-3, the guiding assembly 24 includes a bracket 241 slidably engaged with the base 1 and two first rollers 242 disposed on the bracket 241, the two first rollers 242 being disposed in parallel and spaced apart, and the rope member passing through the two first rollers 242. Specifically, the screw 23 is in threaded connection with a nut 25 fixed on the bracket 241, so that the screw 23 is in running fit with the bracket 241, under the driving force of the motor, the rotating member 1 and the screw 23 rotate synchronously, the screw 23 drives the bracket 241 to move along the axial direction of the screw 23, the two first rollers 242 are arranged at intervals and are vertically arranged relative to the bracket 241, so that the rope can penetrate between the two first rollers 242, and at the moment, the axis of the first rollers 242 is perpendicular to the axis of the rotating member 1. In the process that the bracket 241 moves along the axial direction of the screw 23, the two first rollers 242 can control the rope to be sequentially and uniformly wound on the rotating member 1 along the axial direction of the rotating member 1, so that the problem of stacking and winding of the rope is not generated, and the stability of the rope conveying is ensured under the rotation of the first rollers 242.

Further, with continued reference to fig. 1-3, the guiding assembly 24 further includes a second roller 243 disposed on the bracket 241, the second roller 243 is disposed perpendicular to both the first rollers 242, and the rope passes around the second roller 243. Specifically, the second roll 243 is mounted on the bracket 241, and the second roll 243 is disposed vertically to both the first rolls 242, i.e., the second roll 243 is disposed horizontally with respect to the bracket 241. The rope passes between two first rollers 242 and bypasses the second roller 243, and finally the winding is on rotating the piece 1, wherein, the second roller 243 compresses tightly the rope, fixes the position of the rope in the vertical direction through the second roller 243, avoids the rope to play at will along the vertical direction between two first rollers 242, guarantees the stability of rope conveying to be convenient for pull the dolly more stably, ensure that the temperature shock test is not influenced.

Further, with continued reference to fig. 1-3, there are two second rollers 243, the two second rollers 243 are arranged in parallel and spaced, and the rope passes through the two second rollers 243. Specifically, two second rollers 243 are all installed on bracket 241, and two second rollers 243 are all set up for bracket 241 level, and rope spare passes two first rollers 242 and two second rollers 243 in proper order, and the winding is on rotating piece 1 at last, through two second rollers 243 to rope spare fixed in vertical direction, avoid rope spare drunkenness, guarantee the transmission stability of rope spare.

Further, with reference to fig. 1 to fig. 3, a slide rail 26 is further disposed on the base 21, the slide rail 26 is disposed in parallel with the screw 23, a slide groove is disposed at the bottom of the bracket 241, and the slide rail 26 is located in the slide groove and is in sliding fit with the bracket 241. In this embodiment, the slide rail 26 is mounted on the base 21, and the slide rail 26 and the screw 23 are parallel to each other, so as to ensure that the bracket 241 reciprocates along the axial direction of the screw 23, and prevent the bracket 241 from being unable to move along the slide rail 26. The bottom of the bracket 241 is provided with a sliding slot matching with the structure of the sliding rail 26, the bracket 241 is mounted on the sliding rail 26, and the bracket 241 is in sliding fit with the sliding rail 26, so that the bracket 241 can slide along the axial direction of the screw 23 relative to the base 21, and the bracket 241 is guided. Preferably, the cross section of the slide rail 26 along the vertical direction is in an "i" shape, the slide rail 26 is located in the slide groove, and the bracket 241 is sleeved on the slide rail 26 to prevent the bracket 241 from separating from the slide rail 26 in the sliding process.

Further, with continued reference to fig. 1-3, the rope guiding device further comprises a displacement sensor 4, the displacement sensor 4 is mounted on the base 21, and the displacement sensor 4 is used for detecting the position of the bracket 241. Specifically, displacement sensor 4 can be an electric sensor, a pressure sensor or an electric signal switch, a baffle is arranged on bracket 241, displacement sensor 4 is arranged on base 21, and two displacement sensors 4 are arranged and respectively arranged at the limit positions at the two ends of the guide rail. When the displacement sensor 4 does not detect the baffle during the movement of the bracket 241 along the slide rail 26, the alarm is in a closed state, so that the bracket 241 continues to move; when the displacement sensor 4 detects the baffle, the alarm gives an alarm to remind a tester that the rope arranging device is abnormal and needs to be maintained.

Further, with continued reference to fig. 1 to fig. 3, the adjusting mechanism 3 includes a screwing element 31, a fixing seat 33 rotationally matched with the screwing element 31, and a fixing block 32 disposed on the base 21, where the fixing seat 33 is configured to be fixed on the installation apparatus, the screwing element 31 is screwed to the fixing block 32, and the screwing element 31 can drive the base 21 to move. Specifically, a fixing seat 33 is arranged on a box body of the installation equipment, a screwing piece 31 is in running fit with the fixing seat 33, a fixing block 32 is installed on a base 21, a threaded hole is formed in the fixing block 32, an external thread matched with the threaded hole is correspondingly arranged on the screwing piece 31, the screwing piece 31 is in threaded connection with the fixing block 32, the screwing piece 31 is rotated to enable the base 21 to move along the length direction of the chain 22, and the screwing piece 31 can adjust the distance between the rotating piece 1 and the screw 23, so that the tightness of the chain 22 can be adjusted.

Further, with continued reference to fig. 1-3, the base 21 is provided with a kidney-shaped hole, the base 21 is connected to the installation device through the kidney-shaped hole, and the screw 31 drives the base 21 to move through the kidney-shaped hole. Specifically, a plurality of waist-shaped holes are formed in the base 21, each waist-shaped hole is composed of two semi-circles and a parallel plane located between the two semi-circles, a point connecting line of centers of the two semi-circles is used as a central axis of each waist-shaped hole, the central axis is parallel to the length direction of the chain 22, the base 21 penetrates through the waist-shaped holes through bolts and is connected to the mounting equipment, the bolts are fixed under the driving of the screwing piece 31, the base 21 moves along the direction of the central axis, and the tightness of the chain 22 is adjusted.

Further, with continued reference to fig. 1 to 3, the number of the adjustment mechanisms 3 is plural, and the plural adjustment mechanisms 3 are arranged at intervals along the axial direction of the screw 23. Specifically, a plurality of adjustment mechanisms 3 are arranged at intervals along the axial direction of the screw 23, so that the axial line of the screw 23 is parallel to the axial line of the rotating member 1 while the tightness of the chain 22 is adjusted, and the situation that the base 21 inclines relative to the rotating member 1 to influence the cable collection of the rope is avoided, so that the rope is stacked in the winding process.

Further, with continued reference to fig. 1-3, the rope guiding device further includes a rotary drive source, an output end of which is connected to the rotating member 1, the rotary drive source being capable of driving the rotating member 1 to rotate. Specifically, the rotary driving source may be an electric motor, a prime mover, a hydraulic machine, or the like, and an output end of the rotary driving source is connected to a rotating shaft of the rotating member 1, and the rotary driving source is driven to rotate forward or backward to drive the rotating member 1 to rotate forward or backward.

This embodiment still provides a temperature shock test case, including foretell rope arranger, this rope arranger is installed on temperature shock test case's box, and control rope spare is at the winding position on rotating 1, prevents that rope spare from piling up the winding when the rolling to guarantee that temperature shock test dolly can accurately move hot area or cold district.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A roping arrangement, comprising:

a rotating member (1) for winding and releasing the rope member;

the cable retracting mechanism (2) comprises a base (21), a chain (22), a screw rod (23) rotatably arranged on the base (21), a guide component (24) arranged on the base (21) and a nut (25) fixedly arranged on the guide component (24), wherein the chain (22) is respectively wound on the rotating piece (1) and the screw rod (23), the screw rod (23) is in threaded connection with the nut (25), the guide component (24) is in sliding fit with the base (21), and the guide component (24) is used for guiding the rope piece to be conveyed to the rotating piece (1) from outside or conveyed to the outside from the rotating piece (1);

an adjusting mechanism (3), the adjusting mechanism (3) being capable of adjusting the distance between the rotating member (1) and the screw (23) for adjusting the tension of the chain (22).

2. The roping arrangement according to claim 1, characterized in that said guide assembly (24) comprises a bracket (241) which is slidably engaged with said base (21) and two first rollers (242) arranged on said bracket (241), said two first rollers (242) being arranged in parallel and spaced apart, said rope passing through said two first rollers (242).

3. The rope guiding device as claimed in claim 2, wherein a sliding rail (26) is further arranged on the base (21), the sliding rail (26) is arranged in parallel with the screw rod (23), a sliding groove is arranged at the bottom of the bracket (241), and the sliding rail (26) is located in the sliding groove and is in sliding fit with the bracket (241).

4. The roping arrangement according to claim 2, characterized in that said guide assembly (24) further comprises a second roller (243) arranged on said bracket (241), said second roller (243) being arranged perpendicular to both said first rollers (242), said rope passing around said second roller (243).

5. The roping arrangement of claim 4, characterized in that there are two of said second drums (243), two of said second drums (243) being parallel and spaced apart, said roping elements passing through both of said second drums (243).

6. The rope arranger of claim 2, further comprising a displacement sensor (4), the displacement sensor (4) being mounted on the base (21), the displacement sensor (4) being configured to detect a position of the bracket (241).

7. The rope aligning device of claim 1, wherein the adjusting mechanism (3) comprises a screwing member (31), a fixing seat (33) rotatably matched with the screwing member (31), and a fixing block (32) arranged on the base (21), the fixing seat (33) is used for fixing on a mounting device, the screwing member (31) is connected to the fixing block (32) in a threaded manner, and the screwing member (31) can drive the base (21) to move.

8. The roping arrangement of claim 7, characterized in that there are a plurality of said adjustment means (3), and a plurality of said adjustment means (3) are spaced apart in the axial direction of said threaded rod (23).

9. The rope arranger of claim 1, further comprising a rotary drive source having an output connected to the rotating member (1), the rotary drive source being capable of driving the rotating member (1) to rotate.

10. A temperature impact test chamber comprising the roping arrangement of any of claims 1-9.