Test platform for simulating impact of forklift on tray

Abstract

The utility model provides a test platform for simulating the impact of a forklift on a tray, which comprises a rack, a positioning assembly, an impact assembly and a buffer assembly, and is characterized in that the positioning assembly is arranged on one side of the rack and is used for positioning and installing the tray; the positioning assembly comprises a positioning plate fixed to the upper end of the rack, limiting seats are symmetrically arranged on one side of the positioning plate, adjusting seats with adjustable positions are symmetrically installed on the other side of the positioning plate, and the adjusting seats and the limiting seats are oppositely arranged; the impact assembly is mounted on the other side of the rack and is used for simulating a forklift to carry out an impact test on the tray; the impact assembly comprises an impact head capable of sliding towards the tray; the buffer assembly is mounted on the positioning plate, is opposite to the impact assembly and is used for simulating an external object to buffer the tray after impact; the test platform for simulating the impact of the forklift on the tray overcomes the defects that the existing impact test device is inconvenient to detect and is large in size.

Description

Technical Field

[0001] The utility model relates to the field of pallet impact testing, in particular to a test platform for simulating a forklift impacting a pallet. Background Art

[0002] Forklift pallets, also known as forklift pads, can be used to hold items on forklift pallets, and then lifted by a forklift and moved to the corresponding location to achieve mechanical automatic consignment. Forklift pallets are generally plastic products. These forklift pallets are widely used in: food, tobacco, medicine, papermaking, hotels, printing, electronics, chemicals, clothing, textiles, warehousing and logistics and other industries.

[0003] After the forklift pallet is manufactured, it is subjected to a collision test simulating a forklift. Figure 1 The existing test device includes an angle-adjustable tilt frame, on which a sliding table is slidably mounted, a tray is mounted on the sliding table and pressed by a pressure block, and an impact head is mounted at the bottom of the tilt frame; during the test, the sliding table moves along the tilt frame toward the impact head under the action of gravity, thereby bringing the tray to impact the impact head. In the above structure, when adjusting the impact force (impact speed), the tilt angle of the tilt frame needs to be manually changed, and when adjusting the impact position, the impact block needs to be manually disassembled and assembled, and the parameter adjustment is not convenient, and the parameter setting is not accurate; and the impact force and impact position cannot be displayed intuitively, and observation and recording are difficult, and the labor intensity during detection is high, and the detection is time-consuming and laborious; because the free fall method is used to obtain sufficient momentum, the overall size of the equipment is large, the floor space is large, and it is not easy to operate. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The problem to be solved by the utility model is to provide a test platform for simulating a forklift to hit a pallet, so as to overcome the defects of the existing collision test that the test is inconvenient and the device size is large.

[0006] (II) Technical solution

[0007] In order to solve the technical problem, the utility model provides a test platform for simulating a forklift hitting a pallet, comprising:

[0008] frame;

[0009] A positioning assembly is arranged on one side of the frame and is used to position the mounting tray; the positioning assembly comprises a positioning plate fixed to the upper end of the frame, a limit seat is symmetrically arranged on one side of the positioning plate, and an adjustable seat with adjustable position is symmetrically arranged on the other side thereof, and the adjustable seat is arranged opposite to the limit seat;

[0010] An impact assembly, mounted on the other side of the frame, for simulating a forklift to perform an impact test on the pallet; the impact assembly comprises an impact head that can slide toward the pallet;

[0011] The buffer component is installed on the positioning plate and is arranged opposite to the impact component, and is used to simulate the impact of an external object to buffer the tray.

[0012] In some embodiments, the buffer assembly includes an L-shaped movable pressure plate, the three side ends of the tray are respectively abutted against the limiting seat, the adjustment seat and the movable pressure plate, and the other side end faces the impact head.

[0013] In some embodiments, the impact assembly also includes a sliding base that can slide toward the tray, an impact head seat that can slide along the length direction of the sliding base, and a connecting seat fixed on the impact head seat, and the impact head can be detachably mounted on the connecting seat.

[0014] In some embodiments, the impact head is connected to the connecting seat through a quick-release structure, the quick-release structure includes a first plug-in portion arranged at the end of the impact head, and the connecting seat is provided with a plug-in slot adapted to the first plug-in portion; the first plug-in portion is plugged into the plug-in slot and connected to the connecting seat through a pin.

[0015] In some embodiments, first guide rails are symmetrically arranged on both sides of the frame, and a first guide slider adapted to the first guide rails is arranged on the sliding base plate; a linear motor is installed in the middle position of the frame, and the sliding base plate is connected to the linear motor; a first ruler is installed on the outer side of the first guide rails of the frame, and a first pointer corresponding to the first ruler is arranged on the sliding base plate.

[0016] In some embodiments, a sliding vertical plate is fixed on the sliding base plate, a second guide rail is symmetrically arranged on the sliding vertical plate, and a second guide sliding block adapted to the second guide rail is arranged on the impact head seat; a linear electric slide is installed on the sliding base plate, and the impact head seat is driven and connected to the linear electric slide through a Z-shaped connecting seat; a second ruler is installed on one side of the linear electric slide, and a second pointer corresponding to the second ruler is arranged on the Z-shaped connecting seat.

[0017] In some embodiments, a plurality of pairs of adjustment slots are spaced apart on one side of the positioning plate, and a second plug-in portion adapted to the adjustment slots is provided on the adjustment seat; the adjustment seat is plugged into different adjustment slots to adjust the distance between the adjustment seat and the limit seat.

[0018] In some embodiments, the buffer assembly also includes a support seat fixed on the positioning plate, and a plurality of linear bearings are arranged on the support seat at intervals along a straight line direction. A guide shaft is slidably installed in the linear bearing, and one end of the guide shaft is connected to the movable pressure plate; a spring is mounted on the guide shaft, and the spring is abutted between the support seat and the movable pressure plate, and the spring always makes the movable pressure plate tend to move toward the tray; an adjusting nut is threadedly connected to the end of the guide shaft away from the movable pressure plate, and a buffer pad for buffering the adjusting nut is installed on the linear bearing.

[0019] In some embodiments, the buffer assembly also includes a U-shaped locking block detachably connected to the support seat, the U-shaped locking block is sleeved on the outside of the guide shaft and is placed between the support seat and the movable pressure plate to limit the sliding of the movable pressure plate.

[0020] In some embodiments, a loading rack is installed on the frame, the loading rack is arranged close to the adjustment seat, and a plurality of loading rollers are evenly distributed on the loading rack; a safety cover is installed on the upper end of the frame, and a control panel for controlling the impact assembly is provided on the safety cover; a plurality of rollers and height-adjustable support feet are installed on the lower end of the frame.

[0021] (III) Beneficial effects

[0022] The utility model provides a test platform for simulating a forklift impacting a pallet, which has the following advantages compared with the prior art:

[0023] 1) The impact force is controlled by a linear motor, and the impact position is controlled by a servo linear electric slide. The impact force and impact position can be automatically adjusted through the control panel through the coordination of the control panel, linear motor, servo linear electric slide and program. The automation is high, and the parameter adjustment is convenient and accurate. The impact force and impact position can be intuitively displayed on the control panel, and digital feedback can be performed, which is convenient for observation and recording, and the detection is very convenient.

[0024] 2) The positioning assembly is used to locate and install the pallet, and the impact assembly is used to impact the pallet. The impact head is driven by a linear motor, which can obtain sufficient speed within a short distance, which is conducive to reducing the size of the overall equipment, occupying a small area, and convenient operation;

[0025] 3) The position of the impact head can be adjusted through the linear electric slide, and different impact heads can be replaced through the quick-release structure to adjust different impact heights. By adjusting the plug-in position of the adjustment seat, it can adapt to different pallet sizes and various detection scenarios, with higher flexibility and a wider range of applications;

[0026] 4) A buffer component is provided, and soft buffering of the pallet can be achieved through the cooperation of a movable pressure plate, a guide shaft and a spring; a detachable U-shaped locking block is provided, and hard buffering of the pallet can be achieved by installing the U-shaped locking block, thereby simulating the buffering of the pallet by external objects after collision, and the test is more realistic. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 It is a schematic diagram of the structure of a tray test device in the prior art;

[0029] Figure 2 A three-dimensional diagram of a test platform for simulating a forklift hitting a pallet according to the utility model;

[0030] Figure 3 This is a three-dimensional diagram of a test platform for simulating a forklift hitting a pallet after removing the safety cover;

[0031] Figure 4 It is a three-dimensional diagram of an impact assembly of a test platform for simulating a forklift impacting a pallet according to the utility model;

[0032] Figure 5 It is a three-dimensional diagram of another perspective of the impact assembly of a test platform simulating a forklift impacting a pallet according to the utility model;

[0033] Figure 6 A three-dimensional diagram of the connection between the impact assembly and the frame of a test platform simulating a forklift impacting a pallet according to the utility model;

[0034] Figure 7 This is a three-dimensional diagram of a positioning assembly of a test platform for simulating a forklift hitting a pallet according to the utility model;

[0035] Figure 8 This is a three-dimensional diagram of a buffer assembly of a test platform for simulating a forklift hitting a pallet according to the utility model;

[0036] Fig. 9 This is a structural schematic diagram of a buffer assembly of a test platform for simulating a forklift impacting a pallet according to the utility model;

[0037] The names of the components corresponding to the reference numerals in the figure are: 1, frame; 11, first guide rail; 12, first scale; 13, roller; 14, support foot; 2, positioning assembly; 21, positioning plate; 22, limit seat; 23, adjustment seat; 211, adjustment slot; 231, second plug-in portion; 3, impact assembly; 30, second scale; 31, impact head; 32, sliding base plate; 33, impact head seat; 34, connecting seat; 35, latch; 36, linear motor; 37, sliding vertical plate; 38, linear electric slide Table; 39, Z-shaped connecting seat; 311, first plug-in part; 321, first guide slider; 322, first pointer; 331, second guide slider; 341, plug-in slot; 371, second guide rail; 391, second pointer; 4, buffer assembly; 41, movable pressure plate; 42, support seat; 43, linear bearing; 44, guide shaft; 45, spring; 46, adjusting nut; 47, buffer pad; 48, U-shaped locking block; 5, loading rack; 51, loading roller; 6, safety cover; 61, control panel; 7, tray. DETAILED DESCRIPTION

[0038] The present application is described in detail below with reference to the accompanying drawings and specific embodiments.

[0039] The following describes the implementation methods of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific implementation methods, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the following embodiments and the features in the embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work belong to the scope of protection of the present application.

[0040] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present application, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspect described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0041] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The drawings only show components related to the present application rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0042] Additionally, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the examples can be practiced without these specific details.

[0043] The technical solutions provided by various embodiments of the present application are described below in conjunction with the accompanying drawings.

[0044] See also Figures 2 to 9 The utility model provides a test platform for simulating a forklift impacting a pallet, comprising a frame 1, a positioning component 2, an impact component 3 and a buffer component 4.

[0045] See also Figure 3 and Figure 7 The positioning assembly 2 is arranged on one side of the frame 1 for positioning and installing the tray 7. The positioning assembly 2 is used to install the tray, so that the tray is not easily displaced after the collision, which is convenient for multiple inspections. The positioning assembly 2 includes a positioning plate 21 fixed to the upper end of the frame 1, and a limit seat 22 is symmetrically arranged on one side of the positioning plate 21, and an adjustable seat 23 with adjustable position is symmetrically installed on the other side of the positioning plate 21, and the adjustable seat 23 is arranged opposite to the limit seat 22.

[0046] See also Figure 3 and Figure 4 The impact assembly 3 is installed on the other side of the frame 1 to simulate a forklift to perform an impact test on the pallet 7 ; the impact assembly 3 includes an impact head 31 that can slide toward the pallet 7 .

[0047] See also Figure 3 and Figure 8 The buffer assembly 4 is mounted on the positioning plate 21 and is arranged opposite to the impact assembly 3 to simulate the impact of an external object on the tray 7. The buffer assembly 4 includes an L-shaped movable pressure plate 41. The tray 7 is rectangular and has four side ends. The three side ends of the tray 7 are respectively abutted against the limit seat 22, the adjustment seat 23 and the movable pressure plate 41, and the other side end faces the impact head 31.

[0048] In some embodiments, Figure 4 and Figure 5As shown, the impact assembly 3 also includes a sliding base plate 32 that can slide toward the tray 7, an impact head seat 33 that can slide along the length direction of the sliding base plate 32, and a connecting seat 34 fixed on the impact head seat 33, and the impact head 31 is detachably mounted on the connecting seat 34. The impact head 31 is connected to the connecting seat 34 through a quick-release structure, and the quick-release structure includes a first plug-in portion 311 arranged at the end of the impact head 31, and a plug-in slot 341 adapted to the first plug-in portion 311 is arranged on the connecting seat 34; the first plug-in portion 311 is plugged into the plug-in slot 341 and connected to the connecting seat 34 through a latch 35. This structure uses a quick-detachable impact head 31. During testing, different impact heads 31 can be replaced according to needs, thereby adjusting the impact height of the impact head 31, which is more flexible to use and convenient to adjust.

[0049] In some embodiments, Figure 6 and Figure 7 As shown, the first guide rails 11 are symmetrically arranged on both sides of the frame 1, and the first guide slider 321 adapted to the first guide rail 11 is arranged on the sliding base plate 32, and the first guide slider 321 is slidably installed on the first guide rail 11. A linear motor 36 is installed in the middle position of the frame 1, and the sliding base plate 32 is connected to the linear motor 36. The linear motor 36 drives the sliding base plate 32, which can obtain sufficient speed within a short distance, and is convenient for reducing the size of the overall equipment; the frame 1 is installed with a first ruler 12 on the outside of the first guide rail 11, and the sliding base plate 32 is provided with a first pointer 322 corresponding to the first ruler 12. The first ruler 12 and the first pointer 322 are provided to facilitate the adjustment and observation of the position of the sliding base plate 32.

[0050] In some embodiments, Figure 4 and Figure 5 As shown, a sliding vertical plate 37 is fixed on the sliding base plate 32, and a second guide rail 371 is symmetrically arranged on the sliding vertical plate 37. A second guide slider 331 adapted to the second guide rail 371 is arranged on the impact head seat 33, and the second guide slider 331 is slidably installed on the second guide rail 371. A linear electric slide 38 is installed on the sliding base plate 32, and the impact head seat 33 is driven and connected to the linear electric slide 38 through a Z-shaped connecting seat 39. The impact head seat 33 can be driven to slide by the linear electric slide 38, so as to adjust the impact position of the impact head 31, which is more flexible to use. A second scale 30 is installed on one side of the linear electric slide 38, and a second pointer 391 corresponding to the second scale 30 is arranged on the Z-shaped connecting seat 39; the second scale 30 and the second pointer 391 are arranged to facilitate the observation and adjustment of the position of the impact head seat 33.

[0051] In some embodiments, Figure 7As shown, a plurality of pairs of adjustment slots 211 are arranged at intervals on one side of the positioning plate 21, and a second plug-in portion 231 adapted to the adjustment slots 211 is arranged on the adjustment seat 23; the adjustment seat 23 is inserted into different adjustment slots 211, so as to adjust the spacing between the adjustment seat 23 and the limit seat 22. During the test, since the pallet is rectangular, it is necessary to test the collision in two directions (length direction and width direction), and an adjustable adjustment seat 23 is provided to facilitate the adaptation of the detection in different directions and pallets of different sizes, and the flexibility is higher.

[0052] In some embodiments, Figure 8 and Fig. 9 As shown, the buffer assembly 4 also includes a support seat 42 fixed on the positioning plate 21, and a plurality of linear bearings 43 are arranged on the support seat 42 at intervals along the linear direction. A guide shaft 44 is slidably installed in the linear bearing 43, and one end of the guide shaft 44 is connected to the movable pressure plate 41; a spring 45 is sleeved on the guide shaft 44, and the spring 45 is placed between the support seat 42 and the movable pressure plate 41, and the spring 45 always makes the movable pressure plate 41 have a tendency to move toward the tray 7; an adjustment nut 46 is threadedly connected to one end of the guide shaft 44 away from the movable pressure plate 41, and a buffer pad 47 for buffering the adjustment nut 46 is installed on the linear bearing 43. Through the cooperation of the movable pressure plate, the guide shaft and the spring, soft buffering of the tray can be achieved.

[0053] In some embodiments, Figure 8 and Fig. 9 As shown, the buffer assembly 4 also includes a U-shaped locking block 48 detachably connected to the support seat 42. The U-shaped locking block 48 is sleeved on the outer side of the guide shaft 44 and is placed between the support seat 42 and the movable pressing plate 41 to limit the sliding of the movable pressing plate 41. During the test, the U-shaped locking block 48 can be installed to achieve hard buffering of the pallet, thereby simulating the buffering of the pallet by an external object after the collision, and the test is more realistic.

[0054] In some embodiments, Figure 2 As shown, a loading rack 5 is installed on the frame 1, and the loading rack 5 is arranged near the adjustment seat 23. A plurality of loading rollers 51 are evenly distributed on the loading rack 5, which is convenient for loading the tray; a safety cover 6 is installed on the upper end of the frame 1, and a control panel 61 for controlling the impact assembly 3 is arranged on the safety cover 6, which is convenient for setting parameters. A plurality of rollers 13 and height-adjustable support feet 14 are installed at the lower end of the frame 1.

[0055] The impact device adopts a linear motor to control the impact force and a servo linear electric slide to control the impact position. Through the cooperation of the control panel, linear motor, servo linear electric slide and program, the impact force and impact position can be automatically adjusted through the control panel. The degree of automation is high, and the parameter adjustment is convenient and accurate. The impact force and impact position can be intuitively displayed on the control panel, and digital feedback can be performed, which is convenient for observation and recording, and detection is very convenient.

[0056] The same and similar parts between the various embodiments in this specification can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0057] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A test platform for simulating a forklift hitting a pallet, characterized in that: include: Rack (1); A positioning assembly (2) is arranged on one side of the frame (1) and is used for positioning the mounting tray (7); the positioning assembly (2) comprises a positioning plate (21) fixed to the upper end of the frame (1); a limit seat (22) is symmetrically arranged on one side of the positioning plate (21); and an adjustable seat (23) whose position can be adjusted is symmetrically arranged on the other side of the positioning plate (21); the adjustable seat (23) is arranged opposite to the limit seat (22); An impact assembly (3) is installed on the other side of the frame (1) and is used to simulate a forklift to perform an impact test on the pallet (7); the impact assembly (3) comprises an impact head (31) that can slide toward the pallet (7); A buffer component (4) is mounted on the positioning plate (21) and is arranged opposite to the impact component (3) to simulate the impact of an external object to buffer the tray (7).

2. The test platform for simulating a forklift impacting a pallet as claimed in claim 1, characterized in that: The buffer assembly (4) comprises an L-shaped movable pressure plate (41), the three side ends of the tray (7) are respectively abutted against the limit seat (22), the adjustment seat (23) and the movable pressure plate (41), and the other side end faces the impact head (31).

3. The test platform for simulating a forklift impacting a pallet as claimed in claim 1, characterized in that: The impact assembly (3) further comprises a sliding base (32) that can slide toward the tray (7), an impact head seat (33) that can slide along the length direction of the sliding base (32), and a connecting seat (34) fixed on the impact head seat (33); the impact head (31) can be detachably mounted on the connecting seat (34).

4. The test platform for simulating a forklift impacting a pallet as claimed in claim 3, characterized in that: The impact head (31) is connected to the connecting seat (34) via a quick-release structure, wherein the quick-release structure comprises a first plug-in portion (311) arranged at the end of the impact head (31), and the connecting seat (34) is provided with a plug-in slot (341) adapted to the first plug-in portion (311); the first plug-in portion (311) is plugged into the plug-in slot (341) and connected to the connecting seat (34) via a latch (35).

5. The test platform for simulating a forklift impacting a pallet as claimed in claim 3, characterized in that: The frame (1) is symmetrically provided with first guide rails (11) on both sides, and the sliding base plate (32) is provided with a first guide slider (321) adapted to the first guide rail (11); a linear motor (36) is installed in the middle position of the frame (1), and the sliding base plate (32) is connected to the linear motor (36); the frame (1) is provided with a first scale (12) on the outer side of the first guide rail (11), and the sliding base plate (32) is provided with a first pointer (322) corresponding to the first scale (12).

6. The test platform for simulating a forklift impacting a pallet as claimed in claim 3, characterized in that: A sliding vertical plate (37) is fixed on the sliding base plate (32), a second guide rail (371) is symmetrically arranged on the sliding vertical plate (37), and a second guide sliding block (331) adapted to the second guide rail (371) is arranged on the impact head seat (33); a linear electric slide (38) is installed on the sliding base plate (32), and the impact head seat (33) is drivingly connected to the linear electric slide (38) through a Z-shaped connecting seat (39); a second scale (30) is installed on one side of the linear electric slide (38), and a second pointer (391) corresponding to the second scale (30) is arranged on the Z-shaped connecting seat (39).

7. The test platform for simulating a forklift impacting a pallet as claimed in claim 1, characterized in that: A plurality of pairs of adjustment slots (211) are arranged at intervals on one side of the positioning plate (21), and a second plug-in portion (231) adapted to the adjustment slots (211) is arranged on the adjustment seat (23); the adjustment seat (23) is plugged into different adjustment slots (211), thereby adjusting the distance between the adjustment seat (23) and the limiting seat (22).

8. The test platform for simulating a forklift impacting a pallet as claimed in claim 2, characterized in that: The buffer assembly (4) also includes a support seat (42) fixed on the positioning plate (21), and a plurality of linear bearings (43) are arranged on the support seat (42) at intervals along a linear direction. A guide shaft (44) is slidably installed in the linear bearing (43), and one end of the guide shaft (44) is connected to the movable pressure plate (41); a spring (45) is mounted on the guide shaft (44), and the spring (45) is abutted between the support seat (42) and the movable pressure plate (41), and the spring (45) always makes the movable pressure plate (41) tend to move toward the tray (7); an adjusting nut (46) is threadedly connected to one end of the guide shaft (44) away from the movable pressure plate (41), and a buffer pad (47) for buffering the adjusting nut (46) is installed on the linear bearing (43).

9. The test platform for simulating a forklift impacting a pallet as claimed in claim 8, characterized in that: The buffer assembly (4) also includes a U-shaped locking block (48) detachably connected to the support seat (42); the U-shaped locking block (48) is sleeved on the outer side of the guide shaft (44) and is placed between the support seat (42) and the movable pressure plate (41) to limit the sliding of the movable pressure plate (41).

10. The test platform for simulating a forklift impacting a pallet as claimed in claim 1, characterized in that: A loading rack (5) is installed on the frame (1), the loading rack (5) is arranged close to the adjustment seat (23), and a plurality of loading rollers (51) are evenly distributed on the loading rack (5); a safety cover (6) is installed on the upper end of the frame (1), and a control panel (61) for controlling the impact assembly (3) is arranged on the safety cover (6); and a plurality of rollers (13) and height-adjustable support feet (14) are installed on the lower end of the frame (1).

Images