CN214407989U

CN214407989U - Hydraulic rod test equipment

Info

Publication number: CN214407989U
Application number: CN202120142857.2U
Authority: CN
Inventors: 林新达; 李永权
Original assignee: Guangdong Topstrong Living Innovation and Integration Co Ltd
Current assignee: Guangdong Topstrong Living Innovation and Integration Co Ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-10-15
Anticipated expiration: 2031-01-19

Abstract

The utility model provides a hydraulic stem test equipment, including reset time accredited testing organization, reset time accredited testing organization including the base that is used for fixed hydraulic stem, be used for pulling the pulling subassembly of the piston rod of hydraulic stem, be used for driving the reset subassembly that the piston rod buffering resets, be used for with the piston rod connect and with piston rod synchronous movement's response piece to and divide and locate two sensors at the removal stroke both ends of response piece. The utility model provides an among the hydraulic stem test equipment, the piston rod that can drive the hydraulic stem through the pulling subassembly of reset time accredited testing organization and the cooperation of reset subassembly is pulled out and is cushioned and reset many times, and the time that the piston rod resets at every turn is detected in the cooperation of rethread response piece and sensor to test the reset performance of hydraulic stem, ensure the stability and the durability of hydraulic stem.

Description

Hydraulic rod test equipment

Technical Field

The utility model relates to a hardware fitting test field especially relates to a hydraulic stem test equipment.

Background

The hydraulic rod is used as an elastic buffer device and comprises a pressure pipe, a piston rod and a plurality of connectors, the specific elastic force can be set by setting different liquid pressures or piston rods with different diameters, and the hydraulic rod has an approximately linear elastic curve, so that a better buffer effect can be realized, and the hydraulic rod is commonly used in an automatic buffer device of a high-end door leaf. However, since the hydraulic rod needs to be used in cooperation with other accessories, it is difficult to perform a testing process separately when the hydraulic rod leaves a factory, and it is usually only easy to check whether there is a quality problem or not, and it is impossible to test specific parameters, resulting in uneven quality of products flowing into the market.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can test hydraulic stem test equipment of hydraulic stem reset time automatically, high-efficiently.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a hydraulic stem test equipment, includes reset time accredited testing organization, reset time accredited testing organization including the base that is used for fixed hydraulic stem, is used for pulling out the pulling subassembly of the piston rod of hydraulic stem, be used for driving the reset assembly that the piston rod buffering resets, be used for with the piston rod be connected and with piston rod synchronous movement's response piece, and divide and locate two sensors at the removal stroke both ends of response piece.

Preferably, the pulling assembly is arranged above the base and used for pulling the piston rod upwards along the vertical direction, the resetting assembly comprises a weight arranged at the top of the piston rod in a pressing mode, and the sensing piece is connected with the weight.

Preferably, the reset time test mechanism further comprises a support frame which is used for erecting the pulling assembly above the base, the support frame comprises a support plate which is transversely arranged above the base, a through hole is formed in the support plate, the reset assembly further comprises a bottom end and a connecting rod which is connected with the weight, and the top end of the connecting rod is arranged along the through hole and penetrates out of the top surface of the support plate and is connected with the induction piece.

Preferably, the sensing piece is a metal block sleeved on the connecting rod, and the metal block is larger than the through hole.

Preferably, the top surface of the support frame is provided with a buffer surrounding the through hole.

Preferably, the pulling assembly comprises a pulling piece and a tray which is connected with the pulling piece and can be driven by the pulling piece to ascend, the tray is provided with a limiting hole used for clamping the piston rod, and the weight is arranged on the tray.

Preferably, the hydraulic rod testing equipment further comprises a rack and a buffering time testing mechanism, the resetting time testing mechanism and the buffering time testing mechanism are both arranged on the rack, the buffering time testing mechanism comprises a mounting seat, a push-pull block and a linear driving assembly, the mounting seat is used for fixing the hydraulic rod, the push-pull block is used for being connected with a piston rod of the hydraulic rod on the mounting seat, and the linear driving assembly is connected with the push-pull block and can drive the push-pull block to reciprocate along the working direction of the piston rod.

Preferably, the rack comprises a rack body and a fixed plate arranged at the top end of the rack body, the mounting seat and the push-pull block are arranged on the top surface of the fixed plate, the linear driving assembly comprises a driving part arranged on the bottom surface of the fixed plate and a transmission part, one end of the transmission part is connected with the driving part, and the other end of the transmission part is connected with the push-pull block.

Preferably, the fixed plate is provided with a rotating shaft hole, the driving member comprises a driving motor, an output shaft of the driving motor penetrates out of the top surface of the fixed plate along the rotating shaft hole, the driving member comprises a crank and a connecting rod, one end of the crank is circumferentially fixed with the output shaft, the other end of the crank is hinged with the connecting rod, and one end of the connecting rod, which is far away from the crank, is hinged with the push-pull block.

Preferably, the buffering time testing mechanism further comprises a linear guide rail and a sliding block connected with the linear guide rail and capable of sliding along the linear guide rail, and the push-pull block is connected with the sliding block.

Compared with the prior art, the utility model discloses a scheme has following advantage:

1. the utility model provides an among the hydraulic stem test equipment, the piston rod that can drive the hydraulic stem through the pulling subassembly of reset time accredited testing organization and the cooperation of reset subassembly is pulled out and is cushioned and reset many times, and the time that the piston rod resets at every turn is detected in the cooperation of rethread response piece and sensor to test the reset performance of hydraulic stem, ensure the stability and the durability of hydraulic stem.

2. The utility model provides an among the hydraulic stem test equipment, the straight line drive assembly through buffering number of times accredited testing organization drives the push-and-pull piece along straight line direction reciprocating motion to realize the piston rod of automatic push-and-pull hydraulic stem, through the buffering number of times of mechanized structure test hydraulic stem, thereby test hydraulic stem's durability, efficiency of software testing is high, can provide accurate reliable test data, guarantees product quality.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of a hydraulic rod testing apparatus provided in an embodiment of the present invention;

FIG. 2 is a diagram showing the connection structure between the buffering number test mechanism and the frame in the hydraulic rod test apparatus shown in FIG. 1;

fig. 3 is a perspective view of a reset time testing mechanism in the hydraulic lever testing apparatus shown in fig. 1.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

It will be understood by those within the art that, unless expressly stated otherwise, the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.

Fig. 1 to fig. 3 show jointly the utility model provides a hydraulic stem test equipment, its buffering number of times and the time of resetting that can test the hydraulic stem mechanizedly, automatically to survey the performance parameter and the life of hydraulic stem, ensure product quality's reliability.

As shown in fig. 1, the hydraulic rod testing apparatus 1000 includes a frame 1, a buffering number testing mechanism 2 and a reset time testing mechanism 3, both of which are disposed on the frame 1, wherein the buffering number testing mechanism 2 is used for testing the buffering number of the hydraulic rod 2000, and the reset time testing mechanism 3 is used for testing the reset time of the hydraulic rod 2000.

Referring to fig. 2, the buffering frequency testing mechanism 2 includes an installation seat 21, a push-pull block 22 and a linear driving assembly 23, the installation seat 21 is disposed on the frame 1 and is used for fixing the hydraulic rod 2000, the push-pull block 22 is slidably connected to the frame 1 and is used for clamping a piston rod of the hydraulic rod 2000 on the installation seat 21, and the linear driving assembly 23 is connected to the push-pull block 22 and can drive the push-pull block 22 to reciprocate along a working direction of the piston rod, so as to drive the piston rod to reciprocate, automatically test and record the buffering frequency of the hydraulic rod 2000, and further test the durability of the hydraulic rod 2000, and the testing efficiency is high, and accurate and reliable test data can be provided, thereby ensuring product quality.

Preferably, the rack 1 includes a rack body 11 and a fixing plate 12 disposed at the top end of the rack body 11 and supported by the rack body 11, the mounting seat 21 and the push-pull block 22 are both disposed on the top surface of the fixing plate 12, the linear driving assembly 23 includes a driving member 231 and a transmission member 232, the driving member 231 is disposed on the bottom surface of the fixing plate 12, one end of the transmission member 232 is connected to the driving member 231, the other end of the transmission member 232 is connected to the push-pull block 22, and the driving member 231 is configured to drive the transmission member 232 to drive the push-pull block 22 to reciprocate linearly. Because driving piece 231 is located the bottom surface of fixed plate 12 need not to occupy the top surface space of fixed plate 12, improves space utilization, does benefit to and realizes that equipment is miniaturized to reduce exposing of device, promote security and durability.

Preferably, the fixed plate 12 is provided with a rotating shaft hole 121, the driving element 231 includes a driving motor 2311, an output shaft of the driving motor 2311 penetrates through the top surface of the fixed plate 12 along the rotating shaft hole 121, the transmission element 232 includes a crank 2321 and a connecting rod 2322, one end of the crank 2321 is circumferentially fixed to the output shaft, the other end of the crank 2321 is hinged to the connecting rod 2322, and one end of the connecting rod 2322, which is away from the crank 2321, is hinged to the push-pull block 22.

When the crank 2321 is driven by the driving motor 2311 to rotate, the crank 2321 drives the connecting rod 2322 to swing, so that the connecting rod 2322 drives the push-pull block 22 to reciprocate, that is, the crank 2321, the connecting rod 2322 and the push-pull block 22 jointly form a crank slider mechanism, the rotary motion output by the driving motor 2311 can be converted into reciprocating motion, and the crank slider mechanism has slow-forward and quick-return characteristics, so that the actual use scene of a hydraulic rod can be better simulated, more reliable test data can be provided, and the accuracy of a test result can be ensured.

Preferably, the buffering time testing mechanism 2 further comprises a linear guide rail 24 and a slider 25, the linear guide rail 24 extends along a connecting line direction of the mounting base 21 and the push-pull block 22, the slider 25 is clamped on the linear guide rail 24 and can slide along the linear guide rail 24 under the guiding action of the linear guide rail 24, the push-pull block 22 is connected with the slider 25, and the movement precision of the push-pull block 22 is improved through the guiding cooperation of the linear guide rail 24 and the slider 25, so that the stability of the testing operation is improved.

Preferably, the buffering number testing mechanism 2 further comprises a speed regulator 26, the speed regulator 26 is electrically connected with the driving motor 2311, and the speed regulator 26 is used for adjusting the running speed of the driving motor 2311, so that the testing speed is adjusted, and the testing mechanism is better adapted to hydraulic rods 2000 with different specifications.

Further, set up a plurality ofly all be used for fixing on the mount pad 21 the mounting groove 211 of hydraulic stem 2000, it is a plurality of the mounting groove 211 is along the perpendicular to the direction interval setting of push-and-pull piece 22 moving direction, set up on the push-and-pull piece 22 with a plurality of draw-in grooves 222 of mounting groove 211 one-to-one, but hydraulic stem 2000's main part inlays to be located in the mounting groove 211, but its piston rod joint in on the draw-in groove 222, fixed effectual and get put the convenience.

Secondly, a plurality of hydraulic rods 2000 can be fixed through a plurality of mounting grooves 211, the test of the plurality of hydraulic rods 2000 can be performed at one time, and the accuracy and reliability of the test result can be ensured through a batch test mode.

As shown in fig. 3, the reset time testing mechanism 3 includes a supporting frame 31, a base 32, a pulling assembly 33, a reset assembly 34, a sensing element 35 and two sensors 36, wherein the supporting frame 31 is in a gantry shape, the base 32 is disposed at a bottom end of the supporting frame 31 and is used for fixing a hydraulic rod 2000, the pulling assembly 33 is erected above the base 32 through the supporting frame 31 and is used for pulling out a piston rod of the hydraulic rod 2000 upwards along a vertical direction, the reset assembly 34 abuts against the piston rod and can be pushed down by its own gravity to drive the piston rod to perform buffering reset, the sensing element 35 is used for being connected with the piston rod and moving synchronously with the piston rod, and the two sensors 36 are respectively disposed at two ends of a moving stroke of the sensing element 35.

Therefore, in the two sensors 36, when the piston rod is in the complete pull-out state, the sensing member 35 can be sensed by one of the sensors 36; the sensing member 35 may be sensed by another sensor 36 when the piston rod is in the fully retracted state. The two sensors 36 respectively record the time of the piston rod in the pull-out completion state and the time of the piston rod in the retraction completion state, so that the reset time of each buffer of the piston rod can be calculated, the reset performance of the hydraulic rod 2000 can be tested, and the stability and the durability of the hydraulic rod 2000 can be ensured.

Preferably, the pulling assembly 33 includes a pulling member 331 and a tray 332 connected to the pulling member 331 and driven by the pulling member 331 to ascend, the tray 332 is provided with a limiting hole for clamping the piston rod, the resetting assembly 34 includes a weight 341 for being pressed on the top of the piston rod, and the weight 341 is disposed on the tray 332. The pulling member 331 can be an air cylinder, and the tray 332 can be driven by the pulling member 331 to drive the piston rod and the weight 341 to ascend synchronously.

Preferably, the supporting frame 31 includes a supporting plate 311 transversely disposed above the base 32, the supporting plate 311 is provided with a through hole (not shown, the same applies below), the resetting component 34 further includes a connecting rod 342, a bottom end of the connecting rod 342 is connected with the weight 341, and a top end of the connecting rod 342 penetrates through a top surface of the supporting plate 311 along the through hole and is connected with the sensing element 35. The sensing member 35 is disposed on the top surface of the supporting plate 311 through the connecting rod 342, so as to facilitate the arrangement of the sensor 36 and prevent the movement of the pulling member 33, the weight 341 or the piston rod 2000 from interfering with or even colliding with the sensor 36.

Further, the sensing member 35 is a metal block sleeved on the connecting rod 342 and sensed by the sensor 36, the metal block is larger than the through hole, and the falling height of the weight 341 is limited by the limiting effect of the through hole on the metal block.

Preferably, the top surface of the supporting frame 31 is provided with a buffer member 312 surrounding the through hole, the buffer member 312 may be made of elastic materials such as rubber and silica gel, and the metal block is received by the buffer member 312, so that the testing noise is reduced and the safety of the device is protected.

Preferably, reset time accredited testing organization 3 still includes locating mounting bracket 37 on backup pad 311 top surface, mounting bracket 37 is offered and is used for the installation mounting hole 371 of sensor 36, mounting hole 371 extends along vertical direction and forms waist type hole, makes sensor 36 can follow vertical direction and adjust mounting height to the hydraulic stem of the different specifications of adaptation promotes the suitability.

The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a hydraulic stem test equipment, its characterized in that, includes reset time accredited testing organization, reset time accredited testing organization including the base that is used for fixed hydraulic stem, is used for pulling out the pulling subassembly of the piston rod of hydraulic stem, is used for driving the reset subassembly that the piston rod buffering resets, be used for with the piston rod be connected and with piston rod synchronous movement's response piece, and divide and locate two sensors at the removal stroke both ends of response piece.

2. The hydraulic rod testing device according to claim 1, wherein the pulling assembly is disposed above the base and is used for pulling the piston rod upward in a vertical direction, the resetting assembly comprises a weight for pressing the top of the piston rod, and the sensing member is connected with the weight.

3. The hydraulic rod testing device according to claim 2, wherein the resetting time testing mechanism further comprises a supporting frame for erecting the pulling assembly above the base, the supporting frame comprises a supporting plate transversely arranged above the base, the supporting plate is provided with a through hole, the resetting assembly further comprises a connecting rod of which the bottom end is connected with the weight, and the top end of the connecting rod penetrates out of the top surface of the supporting plate along the through hole and is connected with the sensing piece.

4. The hydraulic ram testing apparatus of claim 3, wherein the sensing member is a metal block sleeved on the connecting rod, and the metal block is larger than the through hole.

5. The hydraulic ram testing apparatus of claim 3 or 4, wherein the top surface of the support frame is provided with a buffer surrounding the through hole.

6. The hydraulic rod testing device according to claim 2, wherein the pulling assembly comprises a pulling member and a tray which is connected with the pulling member and can be driven by the pulling member to ascend, the tray is provided with a limiting hole for clamping the piston rod, and the weight is arranged on the tray.

7. The hydraulic rod testing device according to claim 1, further comprising a frame and a buffering time testing mechanism, wherein the resetting time testing mechanism and the buffering time testing mechanism are both arranged on the frame, the buffering time testing mechanism comprises a mounting seat, a push-pull block and a linear driving assembly, the mounting seat is used for fixing the hydraulic rod, the push-pull block is used for being connected with a piston rod of the hydraulic rod on the mounting seat, and the linear driving assembly is connected with the push-pull block and can drive the push-pull block to reciprocate along the working direction of the piston rod.

8. The hydraulic rod testing device according to claim 7, wherein the frame comprises a frame body and a fixing plate arranged at the top end of the frame body, the mounting seat and the push-pull block are arranged on the top surface of the fixing plate, the linear driving assembly comprises a driving part arranged on the bottom surface of the fixing plate and a transmission part, one end of the transmission part is connected with the driving part, and the other end of the transmission part is connected with the push-pull block.

9. The hydraulic rod testing device according to claim 8, wherein the fixed plate is provided with a rotating shaft hole, the driving member comprises a driving motor, an output shaft of the driving motor penetrates out of the top surface of the fixed plate along the rotating shaft hole, the driving member comprises a crank and a connecting rod, one end of the crank is circumferentially fixed with the output shaft, the other end of the crank is hinged with the connecting rod, and one end of the connecting rod, which is far away from the crank, is hinged with the push-pull block.

10. The hydraulic rod testing device according to claim 7 or 9, wherein the buffering number testing mechanism further comprises a linear guide rail and a sliding block connected with the linear guide rail and capable of sliding along the linear guide rail, and the push-pull block is connected with the sliding block.