CN210834080U - Buffer testing device - Google Patents
Buffer testing device Download PDFInfo
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- CN210834080U CN210834080U CN201922255228.6U CN201922255228U CN210834080U CN 210834080 U CN210834080 U CN 210834080U CN 201922255228 U CN201922255228 U CN 201922255228U CN 210834080 U CN210834080 U CN 210834080U
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Abstract
The utility model relates to the technical field of elevator testing, and discloses a buffer testing device, which comprises a testing platform, a vertical guide rail, a counterweight frame and a lifting mechanism, wherein the lower end of the vertical guide rail is connected with the testing platform, the counterweight frame can slide up and down along the vertical guide rail, and the lifting mechanism is arranged at the upper side of the vertical guide rail; the lifting frame and the electromagnetic release mechanism are also included; the lifting frame is connected with the lifting mechanism, is positioned on the upper side of the counterweight frame and can slide up and down along the vertical guide rail; the electromagnetic release mechanism comprises an electromagnetic chuck and a magnetic conductive plate which are oppositely arranged on the lifting frame and the counterweight frame; the utility model has the advantages of being simple in structure and simple in operation reliable, release the counter weight frame through adopting electromagnetism releasing mechanism, ensured the accuracy of elevator buffer test result to can realize repetitious usage, greatly reduced subsequent maintenance cost.
Description
Technical Field
The utility model relates to an elevator test technical field especially relates to a buffer testing arrangement.
Background
At present, when the elevator buffer is used for performance test, the elevator buffer needs to be matched with corresponding impact mass and impact speed to install the impact mass on a counterweight frame, a winch is connected with the counterweight frame through a chain and is lifted and pulled, and the counterweight frame is lifted and pulled to a certain height away from the elevator buffer, so that the counterweight frame can reach the corresponding impact speed when falling freely. Therefore, the counterweight frame can impact the buffer after being released at the preset height, the buffer consumes impact energy, and the test is completed.
According to the actual test requirement, the mass of the counterweight frame can reach 350-8000 kg during the test, so that the release mechanism for releasing the counterweight frame is particularly important in order to ensure the accuracy of the test result. The existing release mechanism comprises an oil pressure clamping mechanism arranged on a counterweight frame, when the counterweight frame is lifted, the oil pressure clamping mechanism clamps a lifting ring at a chain end in the lifting mechanism, and when the counterweight frame is released, the oil pressure clamping mechanism is opened, so that the lifting ring is separated from the clamping of the oil pressure clamping mechanism.
However, in practical use, it is found that, because the counterweight frame gives a large pulling force to the chain, when the chain is released, a sliding distance exists between the lifting ring and the oil pressure clamping mechanism, that is, when the lifting ring leaves the oil pressure clamping mechanism, an interaction force exists between the lifting ring and the oil pressure clamping mechanism, so that the impact speeds tested by the fixed lifting height are inconsistent during each test, and the accuracy of the test result is seriously affected; meanwhile, the oil pressure clamping mechanism needs to be supported by a high-power oil pressure pump to generate enough clamping force, meanwhile, the oil pressure pump needs to be kept in a power-on state all the time, the oil pressure clamping mechanism fails when power is cut off or power is cut off, and the counterweight frame has the safety risk of falling at any time; in addition, when the lifting ring slides in the oil pressure clamping mechanism for many times, the abrasion of the oil pressure clamping mechanism can be accelerated by the clamping force of the oil pressure clamping mechanism, so that the lifting ring needs to be replaced according to the number of test times, and the replacement cost is high.
Therefore, for the conventional buffer testing device, the oil pressure clamping mechanism is used for releasing the counterweight frame, so that the problems that the testing result is inaccurate, the testing reliability is difficult to ensure and the maintenance cost is high exist in the testing process.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a buffer testing arrangement for it is inaccurate that there is the test result to solve current buffer testing arrangement at least, is difficult to guarantee the reliability of test, and exists the problem that the maintenance cost is high.
In order to solve the technical problem, an embodiment of the present invention provides a buffer testing device, which includes a testing platform, a vertical guide rail, a counterweight frame, and a lifting mechanism, wherein the lower end of the vertical guide rail is connected to the testing platform, the counterweight frame can slide up and down along the vertical guide rail, the lifting mechanism is arranged on the upper side of the vertical guide rail, and the buffer testing device further includes a lifting frame and an electromagnetic release mechanism; the lifting frame is connected with the lifting mechanism, is positioned on the upper side of the counterweight frame and can slide up and down along the vertical guide rail; the electromagnetic release mechanism comprises an electromagnetic chuck and a magnetic conduction plate which are oppositely arranged on the lifting frame and the counterweight frame.
Wherein a friction damper is arranged on the lifting frame; when the electromagnetic chuck is separated from the magnetic conduction plate, the friction damper is abutted to the vertical guide rail.
The friction damper comprises a push-pull electromagnet and a friction plate; the telescopic end of the push-pull electromagnet is vertically connected with the friction plate, and the friction surface of the friction plate is in contact with the end face of one side of the vertical guide rail.
Wherein the electromagnetic release mechanism further comprises a locking structure; when the electromagnetic chuck and the magnetic conduction plate are mutually attracted, the locking structure is used for connecting the electromagnetic chuck and the magnetic conduction plate.
The locking structure comprises a bolt device and a bolt seat which are oppositely arranged on the electromagnetic chuck and the magnetic conduction plate; the bolt device comprises an air cylinder and a bolt, and the telescopic end of the air cylinder is connected with one end of the bolt; when the electromagnetic chuck is attracted with the magnetic conductive plate, the other end of the bolt corresponds to the bolt hole in the bolt seat.
The electromagnetic chuck is arranged on the lifting frame, the magnetic conduction plate is arranged on the counterweight frame, and the lower side end surface of the electromagnetic chuck corresponds to the upper side end surface of the magnetic conduction plate; the middle part of the electromagnetic chuck is provided with a yielding hole, and the bolt device is arranged on the upper side end face of the electromagnetic chuck; the bolt seat is installed on the upper side end face of the magnetic conduction plate and vertically opposite to the abdicating hole.
The counterweight frame comprises an upper layer structure and a lower layer structure which are connected into a whole; the upper layer structure is provided with the magnetic conduction plate, and the lower layer structure is provided with the balancing weight.
The lifting mechanism comprises a winch and a lifting chain; one end of the lifting chain is wound on a winding drum of the winch, and the other end of the lifting chain is connected with a fishing end on the lifting frame.
The lifting frame is provided with a first guide member, and the counterweight frame is provided with a second guide member; the first guide member and the second guide member are in sliding connection with the vertical guide rail in the vertical direction.
The number of the vertical guide rails is two; the lifting frame and the counterweight frame are arranged between the two vertical guide rails; two sides of the lifting frame are respectively connected with the vertical guide rail on the corresponding side in a sliding mode through the first guide member, and two sides of the counterweight frame are respectively connected with the vertical guide rail on the corresponding side in a sliding mode through the second guide member.
The embodiment of the utility model provides a buffer testing arrangement, when testing elevator buffer, replace the oil pressure fixture installed on the counter weight frame in original testing arrangement through electromagnetic release mechanism, when carrying out the pulling to the counter weight frame, electromagnetic chuck circular telegram keeps strong magnetic state and actuation magnetic conduction board to make promotion frame and counter weight frame combine as an organic wholely, promote to promoting the frame through the hoisting mechanism this moment, can correspondingly carry the counter weight frame to predetermined height promptly, so that produce predetermined impact velocity to the elevator buffer of placing on the test platform; meanwhile, when the counterweight frame is released, the electromagnetic chuck is only required to be powered on when the counterweight frame reaches the preset height, and the counterweight frame can be directly separated from the lifting frame under the action of self weight and directly falls until the elevator buffer is impacted.
By the above, the utility model discloses when carrying out the test experiment of elevator buffer, directly eliminated traditional release structure when releasing the counter weight frame, oil pressure fixture with carry the influence of the interaction force between the ring to the counter weight frame, this makes the counter weight frame can reach predetermined impact velocity after predetermined high release, the accuracy of elevator buffer test result has been ensured, and adopt electromagnetism release mechanism to release the counter weight frame, and easy operation, and convenient and reliable, can realize repetitious usage, greatly reduced subsequent maintenance cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a buffer testing device shown in an embodiment of the present invention, in a lifting state of a counterweight frame;
fig. 2 is a schematic structural view of the buffer testing apparatus shown in the embodiment of the present invention, in a releasing state at the counterweight frame.
Description of reference numerals: 1. an elevator buffer; 2. a test platform; 3. a vertical guide rail; 4. a counterweight frame; 5. a lifting mechanism; 6. a lifting frame; 7. an electromagnetic chuck; 8. a magnetic conductive plate; 9. a friction damper; 10. a cylinder; 11. a bolt; 12. a bolt seat; 13. a hole of abdication; 14. a balancing weight; 15. hanging a fishing end; 16. a first guide member; 17. a second guide member.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 2, the embodiment provides a buffer testing device, which includes a testing platform 2, a vertical guide rail 3, a counterweight frame 4 and a lifting mechanism 5, wherein the lower end of the vertical guide rail 3 is connected with the testing platform 2, the counterweight frame 4 can slide up and down along the vertical guide rail 3, the lifting mechanism 5 is arranged on the upper side of the vertical guide rail 3, and the buffer testing device further includes a lifting frame 6 and an electromagnetic release mechanism; the lifting frame 6 is connected with the lifting mechanism 5, and the lifting frame 6 is positioned on the upper side of the counterweight frame 4 and can slide up and down along the vertical guide rail 3; the electromagnetic release mechanism comprises an electromagnetic chuck 7 and a magnetic conductive plate 8 which are oppositely arranged on the lifting frame 6 and the counterweight frame 4.
Specifically, in the embodiment, the test platform 2 is used for placing the elevator buffer 1 to be tested, the lifting mechanism 5, the lifting frame 6, the counterweight frame 4 and the elevator buffer 1 are sequentially arranged from top to bottom, and the lifting mechanism 5 can be lifted by a chain or a mechanical arm, but is not limited to the way, so as to drive the lifting frame 6 to move up and down; the vertical guide rail 3 is used for guiding the lifting frame 6 and the counterweight frame 4 to move up and down, as the counterweight block 14 is usually arranged on the counterweight frame 4 and is used for generating corresponding impact mass, when the counterweight frame 4 is released, the impact test can be directly carried out on the elevator buffer 1 on the lower side under the vertical guide of the vertical guide rail 3, and in order to ensure the stability of the vertical sliding of the lifting frame 6 and the counterweight frame 4, guide structures can be respectively arranged between the vertical guide rail 3 and the corresponding lifting frame 6 and counterweight frame 4; meanwhile, for the electromagnetic chuck 7 and the magnetic conductive plate 8 in the electromagnetic release mechanism, the electromagnetic chuck 7 may be disposed on the lifting frame 6, and the magnetic conductive plate 8 may be correspondingly disposed on the counterweight frame 4, or the magnetic conductive plate 8 may be disposed on the lifting frame 6, and the electromagnetic chuck 7 may be correspondingly disposed on the counterweight frame 4, which is not limited to this, so as to implement the electromagnetic release mechanism, wherein the magnetic conductive plate 8 may be a metal plate made of iron, cobalt, nickel, or an alloy thereof with good magnetic conductivity.
Referring to fig. 1, during the experiment, at first need to lift counter weight frame 4 to predetermined height, need to magnetize for electromagnetic chuck 7 circular telegram this moment, wherein, electromagnetic chuck 7 can accomplish at 1 ~ 2s and magnetize or demagnetize, electromagnetic chuck 7 circular telegram keeps strong magnetic state and actuation magnetic conduction board 8 to make promotion frame 6 and counter weight frame 4 combine as an organic whole, promote frame 6's promotion through hoist mechanism 5 this moment, can correspondingly lift counter weight frame 4 to predetermined height promptly, so that produce predetermined impact velocity to the elevator buffer 1 of placing on test platform 2.
Referring to fig. 2, when the counterweight frame 4 is released, the electromagnet 7 is only required to be powered off, and the electromagnet 7 is rapidly separated from the magnetic conductive plate 8 after demagnetization, that is, the counterweight frame 4 is rapidly separated from the lifting frame 6 under the action of the dead weight and directly falls until the elevator buffer 1 is impacted.
From the above, the testing device shown in the embodiment is used for testing experiments, the influence of the interaction force between the oil pressure clamping mechanism and the lifting ring on the counterweight frame 4 is directly eliminated when the traditional release structure is used for releasing the counterweight frame 4, so that the counterweight frame 4 can reach the preset impact speed after the preset height is released, the accuracy of a test result is ensured, the electromagnetic release mechanism is adopted for releasing the counterweight frame 4, the operation is simple, the convenience and the reliability are realized, the repeated use can be realized, and the subsequent maintenance cost is greatly reduced.
Further, in the present embodiment, the lifting frame 6 is provided with a friction damper 9; when the electromagnetic chuck 7 is separated from the magnetic conduction plate 8, the friction damper 9 is abutted with the vertical guide rail 3.
Specifically, because electromagnet 7 and 8 phase separations of magnetic conduction plate, hoist mechanism 5 gives the pulling force that promotes frame 6 and is greater than the gravity that promotes frame 6 self, in the twinkling of an eye in order to prevent electromagnet 7 and 8 phase separations of magnetic conduction plate, promote frame 6 along vertical guide rail 3 upward movement under the effect of the resultant of force that makes progress, friction damper 9 starts work this moment, through with vertical guide rail 3 between contradict be connected, with great contact friction resistance, make to promote frame 6 and fix on vertical guide rail 3, thereby ensure to promote the stability of frame 6 under this state, and corresponding assurance the security of experiment and the accuracy of test result.
Further, the friction damper 9 in this embodiment includes a push-pull electromagnet and a friction plate; the telescopic end of the push-pull electromagnet is vertically connected with a friction plate, and the friction surface of the friction plate is contacted with the end surface of one side of the vertical guide rail 3.
Specifically, under the condition of power loss of the push-pull electromagnet, the push-pull rod of the push-pull electromagnet is in a retraction state, under the condition that no corresponding thrust is exerted on the friction plate, the friction surface of the friction plate is only contacted with the end surface of one side of the vertical guide rail 3, and no contact friction force or a small contact friction force exists between the friction surface and the end surface; when the coil of the push-pull electromagnet is electrified, the push-pull rod is in an extending state to provide thrust or pressing force on the back surface of the friction plate, so that the friction surface of the friction plate is in close contact with the end surface of one side of the vertical guide rail 3, and the lifting frame 6 can be effectively prevented from sliding relative to the vertical guide rail 3 through large contact friction force generated between the friction surface of the friction plate and the end surface of one side of the vertical guide rail 3.
Further, in this embodiment, the electromagnetic release mechanism further includes a locking structure; when the electromagnetic chuck 7 is attracted with the magnetic conduction plate 8, the locking structure is used for connecting the electromagnetic chuck 7 with the magnetic conduction plate 8.
Specifically, when carrying out the pulling to counter weight frame 4, electromagnetic chuck 7 circular telegram magnetizes and actuation magnetic conduction board 8 to make and promote frame 6 and counter weight frame 4 and combine as an organic wholely, and this moment through setting up the locking structure, further be connected electromagnetic chuck 7 and magnetic conduction board 8, can prevent electromagnetic chuck 7 and magnetic conduction board 8 phase separation under the condition of outage suddenly, thereby lead to counter weight frame 4 not carrying to the in-process of predetermineeing the height and falling suddenly, can effectively ensure the security of test experiment through the locking structure from this.
Further, referring to fig. 2, the locking structure in this embodiment includes a latch device and a latch seat 12 that are relatively disposed on the electromagnetic chuck 7 and the magnetic conductive plate 8; the bolt device comprises an air cylinder 10 and a bolt 11, wherein the telescopic end of the air cylinder 10 is connected with one end of the bolt 11; when the electromagnetic chuck 7 is attracted with the magnetic conduction plate 8, the other end of the bolt 11 corresponds to a bolt hole in the bolt seat 12.
Specifically, when the locking structure is specifically arranged, a latch locking structure known in the art is adopted, and specific arrangement positions of the latch device and the latch base 12 are not specifically limited, as long as the latch device and the latch base are relatively arranged on the electromagnetic chuck 7 and the magnetic conductive plate 8, so as to realize a corresponding matching structure of the locking function.
In the present embodiment, the latch device employs the cylinder 10 whose central axis is horizontally arranged, and the structure of connecting the telescopic end of the cylinder 10 with the latch 11, it should be noted that, as the driving means for the extension and retraction of the latch 11, besides the cylinder 10, an electric push rod may be employed, but since the extension and retraction of the cylinder 10 are fast, the cylinder 10 is preferably used as the driving means for the extension and retraction of the latch 11.
In addition, bolt hole in bolt 11 and bolt seat 12 cooperatees, after the locking that realizes between electromagnet 7 and the magnetic conduction board 8 is connected, under the action of gravity of counter weight frame 4, bolt 11 still can receive great radial force simultaneously on the vertical face, reliability when in order to ensure bolt 11 long-term use, still can set up corresponding guide structure in locking structure, bolt 11 passes guide structure after the level and cooperatees with bolt seat 12 again, thereby guide structure can play better horizontal direction and vertical support to bolt 11, thereby make bolt 11 can use repeatedly for a long time, and the reliability of locking structure has been ensured.
Further, in this embodiment, the electromagnetic chuck 7 is disposed on the lifting frame 6, the magnetic conductive plate 8 is disposed on the counterweight frame 4, and a lower end surface of the electromagnetic chuck 7 corresponds to an upper end surface of the magnetic conductive plate 8; the middle part of the electromagnetic chuck 7 is provided with a yielding hole 13, and the plug pin device is arranged on the upper side end surface of the electromagnetic chuck 7; the upper side end face of the magnetic conduction plate 8 is provided with a bolt seat 12, and the bolt seat 12 is vertically opposite to the abdicating hole 13.
Specifically, referring to fig. 2, the pin device and the pin seat 12 are arranged as above, when the electromagnetic chuck 7 is attracted to the magnetic conductive plate 8, the upper end of the pin seat 12 just passes through the abdicating hole 13 and extends out to the upper side end face of the electromagnetic chuck 7, so that the pin device arranged on the upper side end face of the electromagnetic chuck 7 can be matched with the pin hole in the pin seat 12, and the locking connection between the electromagnetic chuck 7 and the magnetic conductive plate 8 is realized.
Further, referring to fig. 1 and 2, the counterweight frame 4 in this embodiment includes an upper layer structure and a lower layer structure connected as a whole; the upper layer structure is provided with a magnetic conduction plate 8, and the lower layer structure is provided with a balancing weight 14.
Specifically, through carrying out upper and lower layer design to the structure of counter weight frame 4, can separately set up magnetic conductive plate 8 and balancing weight 14, set up magnetic conductive plate 8 on superstructure be convenient for with promote the electromagnetic chuck 7 in the frame 6 and cooperate, and set up balancing weight 14 on the substructure and be convenient for again directly carry out the experiment test to the elevator buffer 1 of placing on test platform 2 to effectively prevented to strike the experiment and caused interference or influence to electromagnetic release mechanism's corresponding structure.
Further, in the present embodiment, the lifting mechanism 5 includes a winch and a lifting chain; one end of the hoisting chain is wound on the winding drum of the winch, and the other end of the hoisting chain is connected with a fishing end 15 on the hoisting frame 6.
Specifically, during actual test, the mass of the counterweight frame 4 can reach 350-8000 kg, so that a hoisting chain with good rigidity and small deformation is preferably selected as a hoisting rope of the winch, when the mass of the counterweight frame 4 reaches a large value, large elastic deformation cannot occur on the hoisting chain, and the safety of the experiment and the accuracy of the experiment result are ensured.
Further, in the present embodiment, the lifting frame 6 is provided with a first guiding member 16, and the counterweight frame 4 is provided with a second guiding member 17; the first guide member 16 and the second guide member 17 are in sliding connection with the vertical guide rail 3 in the vertical direction.
Specifically, the first guide member 16 and the second guide member 17 may be a guide sleeve of a loop structure or a guide rail of a semi-closed structure, which are well known in the art, wherein the guide sleeve or the guide rail is structurally matched with the vertical guide rail 3; as can be seen from the structures shown in fig. 1 and 2, the lifting frame 6 and the counterweight frame 4 are slidably connected to the vertical guide rail 3 by rail guides, respectively.
Meanwhile, in order to further ensure the stability of the lifting frame 6 and the counterweight frame 4 sliding up and down along the vertical guide rails 3, the number of the vertical guide rails 3 is two in the embodiment; the lifting frame 6 and the counterweight frame 4 are arranged between the two vertical guide rails 3; both sides of the lifting frame 6 are slidably connected to the vertical guide rails 3 of the corresponding sides by a first guide member 16, and both sides of the weight frame 4 are slidably connected to the vertical guide rails 3 of the corresponding sides by a second guide member 17.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A buffer testing device comprises a testing platform, a vertical guide rail, a counterweight frame and a lifting mechanism, wherein the lower end of the vertical guide rail is connected with the testing platform, the counterweight frame can slide up and down along the vertical guide rail, and the lifting mechanism is arranged on the upper side of the vertical guide rail;
the lifting frame is connected with the lifting mechanism, is positioned on the upper side of the counterweight frame and can slide up and down along the vertical guide rail;
the electromagnetic release mechanism comprises an electromagnetic chuck and a magnetic conduction plate which are oppositely arranged on the lifting frame and the counterweight frame.
2. The buffer testing apparatus according to claim 1,
a friction damper is arranged on the lifting frame;
when the electromagnetic chuck is separated from the magnetic conduction plate, the friction damper is abutted to the vertical guide rail.
3. The buffer testing apparatus according to claim 2,
the friction damper comprises a push-pull electromagnet and a friction plate;
the telescopic end of the push-pull electromagnet is vertically connected with the friction plate, and the friction surface of the friction plate is in contact with the end face of one side of the vertical guide rail.
4. The buffer testing apparatus according to claim 1,
the electromagnetic release mechanism further comprises a locking structure;
when the electromagnetic chuck and the magnetic conduction plate are mutually attracted, the locking structure is used for connecting the electromagnetic chuck and the magnetic conduction plate.
5. The buffer testing apparatus according to claim 4,
the locking structure comprises a bolt device and a bolt seat which are oppositely arranged on the electromagnetic chuck and the magnetic conduction plate respectively;
the bolt device comprises an air cylinder and a bolt, and the telescopic end of the air cylinder is connected with one end of the bolt;
when the electromagnetic chuck is attracted with the magnetic conductive plate, the other end of the bolt corresponds to the bolt hole in the bolt seat.
6. The buffer testing apparatus according to claim 5,
the electromagnetic chuck is arranged on the lifting frame, the magnetic conduction plate is arranged on the counterweight frame, and the lower side end surface of the electromagnetic chuck corresponds to the upper side end surface of the magnetic conduction plate;
the middle part of the electromagnetic chuck is provided with a yielding hole, and the bolt device is arranged on the upper side end face of the electromagnetic chuck;
the bolt seat is installed on the upper side end face of the magnetic conduction plate and vertically opposite to the abdicating hole.
7. The buffer testing apparatus according to claim 6,
the counterweight frame comprises an upper layer structure and a lower layer structure which are connected into a whole;
the upper layer structure is provided with the magnetic conduction plate, and the lower layer structure is provided with the balancing weight.
8. The buffer testing apparatus according to claim 1,
the lifting mechanism comprises a winch and a lifting chain;
one end of the lifting chain is wound on a winding drum of the winch, and the other end of the lifting chain is connected with a fishing end on the lifting frame.
9. The buffer test apparatus according to any one of claims 1 to 8,
a first guide member is arranged on the lifting frame, and a second guide member is arranged on the counterweight frame;
the first guide member and the second guide member are in sliding connection with the vertical guide rail in the vertical direction.
10. The buffer testing apparatus according to claim 9,
the number of the vertical guide rails is two;
the lifting frame and the counterweight frame are arranged between the two vertical guide rails;
two sides of the lifting frame are respectively connected with the vertical guide rail on the corresponding side in a sliding mode through the first guide member, and two sides of the counterweight frame are respectively connected with the vertical guide rail on the corresponding side in a sliding mode through the second guide member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922255228.6U CN210834080U (en) | 2019-12-16 | 2019-12-16 | Buffer testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922255228.6U CN210834080U (en) | 2019-12-16 | 2019-12-16 | Buffer testing device |
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| CN210834080U true CN210834080U (en) | 2020-06-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117287446A (en) * | 2023-11-22 | 2023-12-26 | 新乡市万和过滤技术股份公司 | Hydraulic cylinder test system |
| CN117387892A (en) * | 2023-10-26 | 2024-01-12 | 四川衡耀复合材料科技有限公司 | Shock resistance testing platform and method for racing bicycle hubs |
-
2019
- 2019-12-16 CN CN201922255228.6U patent/CN210834080U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117387892A (en) * | 2023-10-26 | 2024-01-12 | 四川衡耀复合材料科技有限公司 | Shock resistance testing platform and method for racing bicycle hubs |
| CN117387892B (en) * | 2023-10-26 | 2024-03-12 | 四川衡耀复合材料科技有限公司 | Shock resistance testing platform and method for racing bicycle hubs |
| CN117287446A (en) * | 2023-11-22 | 2023-12-26 | 新乡市万和过滤技术股份公司 | Hydraulic cylinder test system |
| CN117287446B (en) * | 2023-11-22 | 2024-02-13 | 新乡市万和过滤技术股份公司 | Hydraulic cylinder test system |
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